Product manual | 3Com 59039-2 Network Router User Manual

1
8
-DIN DIGITAL INDICATOR
PRODUCT MANUAL
59039-2
PREFACE
This manual comprises two volumes:
Volume I:
This supports normal operation of the 18 -DIN
Digital Indicator. In normal operation, all actions
taken by the user are to be in front of the panel.
Volume II: This supports the installation, commissioning and
configuring of the 18 -DIN Digital Indicator. It is
intended for use only by personnel who are trained,
equipped and authorised to carry out these functions.
CAUTION: REFER TO MANUAL
THE INTERNATIONAL HAZARD SYMBOL IS INSCRIBED ADJACENT TO
THE REAR CONNECTION TERMINALS. IT IS IMPORTANT TO READ THE
MANUAL BEFORE INSTALLING OR COMMISSIONING THE UNIT.
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Product Manual - Volume I
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-DIN DIGITAL INDICATOR
PRODUCT MANUAL
VOLUME I
OPERATING INSTRUCTIONS
In normal operation, the operator must not remove the
Indicator from its housing or have unrestricted access to the
rear terminals, as this would provide potential contact with
hazardous live parts.
Installation and configuration must be undertaken by
technically competent servicing personnel. This is covered in
Volume II of this manual.
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Contents
1
INTRODUCTION
1-1
2
OPERATOR MODE
2-1
3
SET UP MODE
3-1
4
RS485 SERIAL COMMUNICATIONS
4-1
Appendices
A
(ii)
Alphabetical Index
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Product Manual - Volume I
Section 1
Introduction
SECTION 1
INTRODUCTION
The 18-DIN Digital Indicator is an easy-to-operate microprocessor-based instrument,
incorporating the latest in surface-mount and CMOS technology. The standard features
include:
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*
*
*
Large four-digit LED display (orderable as red or green).
*
*
Input range selected from the front panel.
*
*
Alarm hysteresis
Display for units indication
Universal sensor input - thermocouple, three-wire RTD or DC linear
(mA, mV or V)
Alarm 1 latching or non-latching (user-selectable) relay output
Maximum Hold, Minimum Hold and Time Elapsed features.
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Introduction
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*
*
90 - 264V AC power supply.
*
*
*
Front panel sealing to IP65 (NEMA 4) standard.
*
*
Alarm type selected from front panel.
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Designed to comply with EN50081 Part 2 (Emission) and EN50082
(Immunity) EMC specifications.
Programmable digital filter.
Process Variable offset facility
Sensor Break indication.
and the many optional features include:
1-2
*
Alarm 2 and Alarm 3 relay outputs
*
*
Remote reset of latched alarm
*
*
*
Transmitter power supply
Re-transmitted Process Variable output
ASCII and MODBUS communications protocols
RS485 serial communications.
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Section 2
Operator Mode
SECTION 2
OPERATOR MODE
2.1
INTRODUCTION
The Operator Mode is the normal mode of the Indicator, once it has been set up and
configured as required. The front panel displays, indicators and keys are shown in
Figure 2-1.
Figure 2-1
2.2
Front Panel Controls, Displays and Indicators
FOUR-DIGIT DISPLAY
In Operator Mode, this normally displays the process variable value. Using the Scroll
key, the operator may view, in a sequence according to the Operator Mode Display
Strategy parameter in Set Up Mode (see NOTES ON TABLE 3-1):
(i) Current maximum value attained by process variable (since the maximum
value was last reset) - MAX indicator ON when this is displayed. Also saves
the Sensor Break (see Subsection 2.6) and Over-Range (see Subsection
2.5) conditions.
(ii) Current minimum value attained by process variable (since the minimum
value was last reset) - MIN indicator ON when this is displayed. Also saves
the Sensor Break (see Subsection 2.6) and Under-Range (see Subsection
2.5) conditions.
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(iii) Time elapsed in the Alarm 1 active condition (units display shows
).
The display is in the format mm.ss [mm = minutes, ss = seconds] or mmm.s
[mmm = minutes, s = seconds (tens)]. If elapsed time is greater than 999 minutes 59 seconds, display will show:
NOTE: This does not include time when Alarm 1 is latched but alarm condition is cleared
(iv) Alarm 1 value (units display shows
or, if only Alarm 1 present,
).
(v) Alarm 2 value, if fitted and configured (units display shows
).
(vi) Alarm 3 value, if fitted and configured (units display shows
).
(iv) Process variable value.
Further depressions of the Scroll key will repeat this display sequence.
2.3
ALARM STATUS INDICATORS
The Alarm Status indicators show the current state of the alarm(s):
AL1 AL2 AL3 -
Flashes when Alarm 1 is active (with latching alarm, ON when
Alarm 1 is latched but alarm condition has cleared)
Flashes when Alarm 2 is active
Flashes when Alarm 3 is active
For descriptions of the operation of the various types of alarm available, see Section 3.
2.4
RESETTING THE MAXIMUM VALUE/MINIMUM VALUE OR TIME ELAPSED
VALUE
To reset the maximum value, minimum value (to the process variable value at the
instant of resetting) or time elapsed value (to zero):
1. Select the display of the maximum value, minimum value or time
elapsed value (as appropriate - see above).
2. Depress the Raise key or Lower key for three seconds.
The resetting of the value is indicated by the four-digit display showing:
for two seconds before reverting to the maximum value or minimum value display.
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2.5
Section 2
Operator Mode
OVER-RANGE/UNDER-RANGE DISPLAYS
If the process variable attains a value higher than the input scale maximum limit
(over-range) or lower than the input scale minimum limit (under-range), the upper
display will show:
for the over-range condition and:
for the under-range condition.
2.6
SENSOR BREAK INDICATION
If a break is detected in the sensor circuit, the four-digit display will show:
The reaction of the alarms to a detected sensor break is dependent upon the input type.
2.7
COLD JUNCTION COMPENSATION DISABLED
If a thermocouple input is fitted, the Cold Junction Compensation should
be enabled. If it is disabled, whenever the process variable is displayed,
the unit display will be as shown on the right.
2.8
RESETTING THE LATCHED ALARM
If Output 1 is configured to be a latched alarm output, once it becomes active it will
remain active (even if the alarm condition itself is cleared) until reset either from the
front panel or via the Remote Reset hardware option. To reset the latched alarm from
the front panel:
1. Ensure that the normal Operating Mode display (i.e. process variable)
is shown.
2. Press either the Raise key or the Lower key for at least three seconds.
The four-digit display will then show:
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for two seconds, indicating that the latched alarm has been reset. The latched Alarm 1
can be reset only if the original alarm condition has been cleared; this reset has no
effect whilst the alarm condition prevails.
2.9
VIEWING THE HARDWARE DEFINITION CODE
The operator may view the current Hardware Definition Code setting in the four-digit
display by simultaneously depressing the Lower and Scroll keys. A return may be made
to the normal Operator Mode display by simultaneously depressing the Lower and
Scroll keys.
NOTE: An automatic return is made to the normal Operator Mode
display after 30 seconds.
To view the Hardware Option setting, press the Scroll key whilst the Hardware
Definition Code is displayed. To return to the Hardware Definition Code display,
depress the Lower and Scroll keys simultaneously.
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Section 3
Set Up Mode
SECTION 3
SET UP MODE
3.1
ENTRY INTO SET UP MODE
To enter Set Up Mode, with the instrument initially in Operator Mode displaying the
process variable value, depress the Raise and Scroll keys simultaneously for three
seconds. The instrument will then enter Set Up Mode and the SET indicator will come
ON, the instrument still displaying the process variable value.
NOTE: If the four-digit display shows:
(i.e. all decimal point positions illuminated), this indicates that one or
more of the critical Configuration Mode parameters - typically input
range - have been altered in value/setting and, as a consequence, all
Set Up Mode parameters have been automatically set to their default
values/settings. To clear this display, simply alter the value/setting of
any Set Up Mode parameter (see below).
The parameters available for view/adjustment in Set Up Mode are summarised in Table
3-1. When Set Up Mode is active, the units display (normally oF, oC or blank) will show
the single-character legend for the selected parameter and the value for that parameter
will be shown in the four-digit display. The user may step through the Set Up Mode
parameters by depressing the Scroll key. The value/setting may be altered using the
Raise/Lower keys.
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Table 3-1
Parameter
Alarm 1 Value 1
Legend
Set Up Parameters
Adjustment Range
Default
Range Min. to Range Max.
Range Max. (Proc. High)
Range Min. (Proc. Low)
Alarm 1 Hysteresis
1 LSD to 10% of span expressed
as display units
1 LSD
Alarm 2 Value 2
Range Min. to Range Max.
Range Max. (Proc. High)
Range Min. (Proc. Low)
Alarm 2 Hysteresis 2
1 LSD to 10% of span expressed
as display units
1 LSD
Alarm 3 Value 3
Range Min. to Range Max.
Range Max. (Proc. High)
Range Min. (Proc. Low)
Alarm 3 Hysteresis 3
1 LSD to 10% of span expressed
as display units
1 LSD
Process Variable Offset
input span of instrument
0
Digital Filter Time Const.
0.0 secs. (OFF) to 100.0 secs. in
0.5 sec. increments.
2.0 secs.
Linear Input Decimal
Point Position 4
0 (XXXX), 1 (XXX.X), 2 (XX.XX)
or 3 (X.XXX)
1
Linear Input Scale
Range Minimum 4
–1999 to 9999
0000
Linear Input Scale
Range Maximum 4
–1999 to 9999
1000
Recorder Output Scale
Minimum
–1999 to 9999
Range Min.
Recorder Output Scale
Maximum
–1999 to 9999
Range Max.
Operator Mode Display
Strategy 5
0, 1, 2, 3 or 4
0
3-2
or
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Section 3
Set Up Mode
NOTES ON TABLE 3-1
1. The legend for this parameter will be
if only Alarm 1 is fitted/configured or
if other
alarms are fitted/configured.
2. These parameters appear in the display sequence only if Alarm 2 is fitted/configured.
3. These parameters appear in the display sequence only if Alarm 3 is fitted/configured.
4. Only applicable if a DC Linear input is fitted.
5. Defines the parameters displayed in sequence in Operator Mode:
Parameter Setting
0
PV value
Max. PV value
Min. PV value
Elapsed Time
1
PV value
Max. PV value
Min. PV value
2
PV value
Alarm 1 value
Alarm 2 value *
Alarm 3 value *
3
PV value
Max. PV value
Min. PV value
Alarm 1 value
Alarm 2 value *
Alarm 3 value *
4
PV value
Max. PV value
Min. PV value
Elapsed Time
Alarm 1 value
Alarm 2 value *
Alarm 3 value
* If configured/fitted
3.2
or
ALARM 1 VALUE
If Alarm 1 is selected to be a Process High alarm, this defines the process variable
value at or above which Alarm 1 will be active; the default value will be Input Range
Maximum. If Alarm 1 is selected to be a Process Low alarm, this defines the process
variable value at or below which Alarm 1 will be active; the default value will be Input
Range Minimum. Its value may be adjusted between Input Range Maximum and Input
Range Minimum. Alarm operation is illustrated in Figure 3-1.
3.3
ALARM 1 HYSTERESIS
This parameter applies a hysteresis band on the “safe” side of the Alarm 1 value. The
effect of the hysteresis value on alarm operation is shown in Figure 3-2.
3.4
ALARM 2 VALUE
If Alarm 2 is selected to be a Process High alarm, this defines the process variable
value at or above which Alarm 2 will be active; the default value will be Input Range
Maximum. If Alarm 2 is selected to be a Process Low alarm, this defines the process
variable value at or below which Alarm 2 will be active; the default value will be Input
Range Minimum. Its value may be adjusted between Input Range Maximum and Input
Range Minimum. Alarm operation is illustrated in Figure 3-1.
3.5
ALARM 2 HYSTERESIS
This parameter applies a hysteresis band on the “safe” side of the Alarm 2 value. The
effect of the hysteresis value on alarm operation is shown in Figure 3-2.
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3.6
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ALARM 3 VALUE
If Alarm 3 is selected to be a Process High alarm, this defines the process variable
value at or above which Alarm 3 will be active; the default value will be Input Range
Maximum. If Alarm 3 is selected to be a Process Low alarm, this defines the process
variable value at or below which Alarm 3 will be active; the default value will be Input
Range Minimum. Its value may be adjusted between Input Range Maximum and Input
Range Minimum. Alarm operation is illustrated in Figure 3-1.
3.7
ALARM 3 HYSTERESIS
This parameter applies a hysteresis band on the “safe” side of the Alarm 3 value. The
effect of the hysteresis value on alarm operation is shown in Figure 3-2.
3.8
PROCESS VARIABLE OFFSET
This parameter is used to modify the actual process variable value (measured at the
input terminals) in the following manner:
Offset PV value = Actual PV value + Process Variable Offset value.
The offset process variable value is used for all PV-dependent functions (display,
alarm, recorder output).
CAUTION: This is, in effect, a calibration adjustment. Injudicious application
of values to this parameter could lead to the displayed process variable value
bearing no meaningful relationship to the actual process variable value.
There is no front panel indication when this parameter is in effect (i.e.
has been set to a non-zero value).
The default value is 0.
3.9
INPUT FILTER TIME CONSTANT
The input is equipped with a digital filter which is used to filter out any extraneous
impulses on the process variable. This filtered PV is used for all PV-dependent
functions (alarms etc.). The time constant for this filter may be adjusted in the range 0.0
seconds (filter OFF) to 100.0 seconds in 0.5 second increments. The default setting is
2.0 seconds.
CAUTION: If this parameter is set excessively high, the indication
quality may be significantly impaired. The value chosen should be
sufficiently large to attenuate stray noise but no larger.
3.10
LINEAR INPUT SCALE RANGE MINIMUM
This parameter, applicable only if a linear input is fitted, defines the scaled input value
when the process variable input is at its minimum value. It is adjustable between –1999
and 9999 (with decimal point as defined by Linear Input Decimal Point Position). The
default value is 0. This parameter can be set to a value greater than (but not equal to)
Linear Input Scale Range Maximum, in which case the sense of the input is reversed.
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Section 3
Set Up Mode
LINEAR INPUT SCALE RANGE MAXIMUM
This parameter, applicable only if a linear input is fitted, defines the scaled input value
when the process variable input is at its maximum value. It is adjustable between –1999
and 9999 (with decimal point as defined by Linear Input Decimal Point Position). The
default value is 1000. This parameter can be set to a value less than (but not equal to)
Linear Input Scale Range Minimum, in which case the sense of the input is reversed.
3.12
RECORDER OUTPUT SCALE MINIMUM
This parameter defines the value of the process variable at which the Recorder Output
reaches its minimum value; for example, for a 0 - 5V Recorder Output, this value
corresponds to 0V. It may be adjusted within the range –1999 to 9999. The decimal
point position for the Recorder Output is always the same as that for the process
variable input range. The default value is Input Range Minimum. This parameter is not
applicable if the Recorder Output option is not fitted.
NOTE: If this parameter is set to a value greater than that for the
Recorder Output Scale Maximum (see Subsection 3.13), the
relationship between the process variable value and the Recorder
Output is reversed.
3.13
RECORDER OUTPUT SCALE MAXIMUM
This parameter defines the value of process variable at which the Recorder Output
reaches its maximum value; for example, for a 0 - 5V Recorder Output, this value
corresponds to 5V. It may be adjusted within the range –1999 to 9999. The decimal
point position for the Recorder Output is always the same as that for the process
variable input range. The default value is Input Range Maximum. This parameter is not
applicable if the Recorder Output option is not fitted.
NOTE: If this parameter is set to a value less than that for the Recorder
Output Scale Minimum (see Subsection 3.12), the relationship
between the process variable/setpoint value and the Recorder Output
is reversed.
3.14
OPERATOR MODE DISPLAY STRATEGY
This defines the sequence of parameter displays available in Operator Mode (see
NOTES ON TABLE 3-1).
3.15
EXIT FROM SET UP MODE
To leave Set Up Mode, select the initial Operator Mode display (process variable value)
then depress the Raise and Scroll keys simultaneously, whereupon the SET indicator
will go OFF and the instrument will return to Operator Mode.
NOTE: An automatic return to Operator mode will be executed if there
is no key activity in Set Up Mode for one minute.
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Process High Alarm
direct-acting
Process High Alarm
reverse-acting
Process Low Alarm
direct-acting
Process Low Alarm
reverse-acting
Figure 3-1
Alarm Operation
Alarm Value
PROCESS
HIGH
ALARM
Alarm Hysteresis
Process Variable
Alarm Inactive
Alarm Active
Alarm Inactive
Process Variable
PROCESS
LOW
ALARM
Alarm Hysteresis
Alarm Value
Alarm Inactive
Figure 3-2
3-6
Alarm Active
Alarm Inactive
Alarm Hysteresis Operation
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Section 4
RS485 Serial Communications
SECTION 4
RS485 SERIAL COMMUNICATIONS
This three-wire RS485-compatible serial communications option is the means by which
communication may occur between the instrument and a master device (e.g. a
computer or terminal).
4.1
PHYSICAL REQUIREMENTS
There are two communications protocols available with this option:
(a) ASCII
(b) MODBUS
4.1.1
Character Transmission
Data format is fixed to be seven data bits and one stop bit. The Baud rate may be
selected to be 1200, 2400, 4800 (default) or 9600 Baud. For ASCII protocol, the parity
is even. For MODBUS protocol, the parity is selectable to be even, odd or none.
4.1.2
Line Turn-Round
ASCII Protocol: The communications link is operated as a multi-drop half
duplex system. When a device is transmitting, it drives the transmission lines
to the appropriate levels; when it is not transmitting, its outputs are set to a
high impedance in order that another device can transmit. It is important that
a transmitter releases the transmission lines before another device starts
transmission. This imposes the following restraints on the master device:
(a) The transmitter must release the transmission lines within 6ms of
the end of the last character of a message being transmitted. Note that
delays due to buffers such as those used in universal asynchronous
receivers/transmitters (UARTs) within the master device must be taken
into account.
(b) The transmitter must not start transmission until 6ms has elapsed
since the reception of the last character of a message.
All instruments in this range having an RS485 communications facility adhere to this standard; thus, provided that the master device conforms similarly to the standard, there should be no line contention problems.
MODBUS Protocol: The line turn-round timings adhere to the industry standard.
4.2
ASCII PROTOCOL
This protocol assumes half duplex communications. All communication is initiated by
the master device. The master sends a command or query to the addressed slave and
the slave replies with an acknowledgement of the command or the reply to the query.
All messages, in either direction, comprise:
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(a) A Start of Message character
(b) One or two address characters (uniquely defining the slave)
(c) A parameter/data character string
(d) An End of Message character
Messages from the master device may be one of four types:
Type 1:
L {N} ? ? *
Type 2:
L {N} {P} {C} *
Type 3:
L {N} {P} # {DATA} *
Type 4:
L {N} {P} I *
where all characters are in ASCII code and:
L
is the Start of Message character (Hex 4C)
{N}
is the slave address (in the range 1 - 32); addresses 1 - 9
may be represented by a single digit (e.g. 7) or in two-digit
form, the first digit being zero (e.g. 07).
{P}
is a character which identifies the parameter to be interrogated/modified - see Table 4-2.
{C}
is the command (see below)
#
indicates that {DATA} is to follow (Hex 23)
{DATA}
is a string of numerical data in ASCII code (see Table 4-1)
*
is the End of Message character (Hex 2A)
No space characters are permitted in messages. Any syntax errors in a received
message will cause the slave to issue no reply and await the Start of Message
character.
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Table 4-1
{DATA} Element - Sign and Decimal Point Position
{DATA} Content
abcd0
abcd1
abcd2
abcd3
abcd5
abcd6
abcd7
abcd8
Table 4-2
Identifier
Character
A
B
C
D
E
F
G
Section 4
RS485 Serial Communications
Sign/Decimal Point Position
+abcd
+abc.d
+ab.cd
+a.bcd
–abcd
–abc.d
–ab.cd
–a.bcd
Commands/Parameters and Identifiers
Parameter/Command
Maximum Process Variable value
Minimum Process Variable value
Alarm 1 value
Alarm 1 Hysteresis value
Alarm 2 value 1
Alarm 2 Hysteresis value 1
Scale Range Maximum
H
Scale Range Minimum
J
L
M
N
O
Q
Process Variable Offset value
Instrument Status 2
Process Variable value
Alarm 3 value 3
Alarm 3 Hysteresis 3
Scale Range Decimal Point Position
T
Z
[
\
]
m
Time Elapsed
Instrument Commands 4
Recorder Output Scale Maximum 5
Recorder Output Scale Minimum 5
Scan Table 6
Input Filter Time Constant value
Operation
Read Only
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write (linear inputs
only) - otherwise Read Only
Read/Write (linear inputs
only) - otherwise Read Only
Read/Write
Read Only
Read Only
Read/Write
Read/Write
Read/Write (linear inputs
only) - otherwise Read Only
Read Only
Write Only
Read/Write
Read/Write
Read Only
Read/Write
NOTES
1. Applicable only if Alarm 2 is configured.
2. See Subsection 4.3.15.
3. Applicable only if Alarm 3 is configured.
4. See Subsection 4.3.16.
5. Applicable only if Output 2 is configured as a Recorder Output.
6. See Subsection 4.3.17.
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Type 1 Message
L {N} ? ? *
This message is used by the master device to determine whether the addressed slave
is active. The reply from the slave instrument, if it is active, is
L {N} ? A *
An inactive instrument will give no reply.
4.2.2
Type 2 Message
L {N} {P} {C} *
This type of message is used by the master device to interrogate or modify a parameter
in the addressed instrument. {P} identifies the parameter (as defined in Table 4-2) and
{C} represents the command to be executed, which may be one of the following:
+ (Hex 2B) - Increment the value of the parameter defined by {P}
– (Hex 2D) - Decrement the value of the parameter defined by {P}
? (Hex 3F) - Determine the current value of the parameter defined by {P}
The reply from the addressed instrument is of the form:
L {N} {P} {DATA} A *
where {DATA} comprises five ASCII-coded digits whose format is shown in Table 4-1.
The data is the value requested in a query message or the new value of the parameter
after modification. If the action requested by the message from the master device would
result in an invalid value for that parameter (either because the requested new value
would be outside the permitted range for that parameter or because the parameter is
not modifiable), the instrument replies with a negative acknowledgement:
L {N} {P} {DATA} N *
The {DATA} string in the negative acknowledgement reply will be indeterminate.
Scan Tables
A parameter identifier character “]” in the message from the master device indicates
that a “Scan Table” operation is required. This provides a facility for interrogating the
values of a group of parameters and status in a single message from the master
device. The reply to such a command would be in the form:
L {N} ] 25 aaaaa bbbbb ccccc ddddd eeeee A *
The digits aaaaa, bbbbb etc. are expressed as shown in Table 4-1. For further
information, refer to Subsection 4.3.17.
4.2.3
Type 3 Message
L {N} {P} # {DATA} *
This message type is used by the master device to set a parameter to the value
specified in {DATA}. The command is not implemented immediately by the slave
instrument; the slave will receive this command and will then wait for a Type 4 message
(see below). Upon receipt of a Type 3 message, if the {DATA} content and the specified
parameter are valid, the slave reply is of the form:
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Section 4
RS485 Serial Communications
L {N} {P} {DATA} I *
(where I = Hex 49) indicating that the instrument is ready to implement the command. If
the parameter specified is invalid or is not modifiable or if the desired value is outside
the permitted range for that parameter, the instrument replies with a negative
acknowledgement in the form:
L {N} {P} {DATA} N *
4.2.4
Type 4 Message
L {N} {P} I *
This type of message is sent by the master device to the addressed slave following a
successful Type 3 message transmission and reply to/from the same slave instrument.
Provided that the {DATA} content and the parameter specified in the preceding Type 3
message are still valid, the slave will then set the parameter to the desired value and
will reply in the form:
L {N} {P} {DATA} A *
where {DATA} is the new value of the parameter. If the new value or parameter
specified is invalid, the slave will reply with a negative acknowledgement in the form:
L {N} {P} {DATA} N *
where {DATA} is indeterminate. If the immediately-preceding message received by the
slave was not a Type 3 message, the Type 4 message is ignored.
4.3
INDIVIDUAL PARAMETERS
The individual parameters and how they may be interrogated/modified are described
below. Unless otherwise stated, the {DATA} element will follow the standard five-digit
format and the decimal point position must be correct for the new value to be accepted
and for modification to occur.
NOTE: The communications identifier character {P} for each
parameter is shown to the right of each subsection heading.
4.3.1
{P} = M
Process Variable
This parameter may be interrogated only, using a Type 2 message. If the process
variable is out of range, the five-digit {DATA} field in the reply will not contain a number,
but will contain <??>0 (over-range) or <??>5 (under-range).
4.3.2
{P} = J
Process Variable Offset
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It modifies the actual process variable value (as measured at the
instrument’s input terminals) in the following manner:
Modified PV value = Actual PV value + process variable offset value
The modified PV value is limited by Range Maximum and Range Minimum and is used
for display and alarm purposes and for recorder outputs.
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RS485 Serial Communications
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NOTE: This parameter value should be selected with care. Any
adjustment to this parameter is, in effect, an adjustment to the
instrument’s calibration. Injudicious application of values to this
parameter could lead to the displayed PV value having no meaningful
relationship to the actual PV value.
4.3.3
{P} = G
Scale Range Maximum
This parameter (which is adjustable only on DC linear inputs) may be interrogated using
a Type 2 message or may be modified using a Type 3/4 message sequence. The
decimal point position is as for the input range.
4.3.4
{P} = H
Scale Range Minimum
This parameter (which is adjustable only on DC linear inputs) may be interrogated using
a Type 2 message or may be modified using a Type 3/4 message sequence. The
decimal point position is as for the input range.
4.3.5
Scale Range Decimal Point Position
{P} = Q
Adjustable on DC linear inputs only, this parameter may be modified/interrogated using
a Type 2 message or a Type 3/4 message sequence. The value of this parameter
defines the decimal point position, as follows:
Value
Decimal Point Position
0
abcd
1
abc.d
2
ab.cd
3
a.bcd
4.3.6
Input Filter Time Constant
{P} = m
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence.
4.3.7
Recorder Output Scale Maximum Value
{P} = [
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the maximum scale value for the Controller’s Recorder
Output and may be adjusted within the range –1999 to 9999. This value corresponds to
the Input Scale Maximum and the decimal point position will always be the same as
that for the input.
NOTE: If this parameter is set to a value less than the Recorder Output
Minimum Value, the sense of the Recorder Output is reversed.
4.3.8
Recorder Output Scale Minimum Value
{P} = \
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the minimum scale value for the Controller’s Recorder
Output and may be adjusted within the range –1999 to 9999. This value corresponds to
4-6
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Product Manual - Volume I
Section 4
RS485 Serial Communications
the Input Scale Minimum and the decimal point position will always be the same as that
for the input.
NOTE: If this parameter is set to a value greater than the Recorder
Output Maximum Value, the sense of the Recorder Output is reversed.
4.3.9
{P} = C
Alarm 1 Value
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the level at which Alarm 1 will go active. The decimal
point position is as for the input range.
4.3.10
Alarm 1 Hysteresis Value
{P} = D
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the hysteresis band applied to the “safe” side of Alarm 1.
The decimal point position is as for the input range.
4.3.11
{P} = E
Alarm 2 Value
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the level at which Alarm 2 will go active. The decimal
point position is as for the input range.
4.3.12
Alarm 2 Hysteresis Value
{P} = F
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the hysteresis band applied to the “safe” side of Alarm 2.
The decimal point position is as for the input range.
4.3.13
{P} = N
Alarm 3 Value
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the level at which Alarm 3 will go active. The decimal
point position is as for the input range.
4.3.14
Alarm 3 Hysteresis Value
{P} = O
This parameter may be modified/interrogated using a Type 2 message or a Type 3/4
message sequence. It defines the hysteresis band applied to the “safe” side of Alarm 3.
The decimal point position is as for the input range.
4.3.15
{P} = L
Instrument Status
This parameter may be interrogated only, using a Type 2 message. The status
information is encoded in the four digits as the decimal representation of a binary
number. Each bit in the binary number has a particular significance:
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November, 2000
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RS485 Serial Communications
Bit 5: Alarm 1 Latched
(1 = not latched, 0 = latched)
If non-latching, fixed at 1.
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-DIN Digital Indicator
Product Manual - Volume I
0 0 0
Bit 0: Alarm 1 Status
(0 = Active; 1 = Safe)
1
Bit 3: Change Indicator (1 = A parameter other than
Instrument Status or Process Variable has been
changed via the front panel since the last time the
Status Byte was read; 0 = No change has occurred).
4.3.16
59039
Bit 1: Alarm 2 Status
(0 = Active; 1 = Safe)
Bit 2: Alarm 3 Status
(0 = Active; 1 = Safe)
{P} = Z
Instrument Commands
Only Type 3 or Type 4 messages are allowed with this parameter. In the Type 3
message, the {DATA} field must be one of four five-digit numbers. The reply from the
instrument also contains the {DATA} field with the same content. When the master
device issues the Type 4 message, the instrument responds with the same {DATA} field
content. The commands corresponding to the {DATA} field value are:
00150 = Unlatch Alarm 1 (returns NAK if Alarm 1 is non-latching)
00160 = Reset Process Variable Maximum (to current PV value)
00170 = Reset Process Variable Minimum (to current PV value)
00180 = Reset Time Elapsed (to zero)
4.3.17
{P} = ]
Scan Table
The Scan Table operation takes the form of a Type 2 interrogation command which
accesses a set of information (held in the {DATA} element in the response). The
response would be in the form:
L {N} ] 25 aaaaa bbbbb ccccc ddddd eeeee A *
These digits are as described in Table 4-1 and comprise:
aaaaa
bbbbb
ccccc
ddddd
eeeee
The current process variable value
The current maximum process variable value
The current minimum process variable value
The current Time Elpased value
The Instrument Status (see Subsection 4.3.15).
4.3.18
Error Response
The circumstances under which a message from the master device is ignored are:
Parity error detected
Syntax error detected
Timeout elapsed
Receipt of a Type 4 message without a preceding Type 3 command message.
Negative acknowledgements will be returned if, in spite of the received message being
notionally correct, the instrument cannot supply the requested information or perform
the requested operation. The {DATA} element of a negative acknowledgement will be
indeterminate.
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Product Manual - Volume I
Section 4
RS485 Serial Communications
MODBUS PROTOCOL
With the RS485 Serial Communication option fitted and configured, communication
between a master device and slave instruments via protocol conforming to the
MODBUS industry standard is available.
NOTE: Support for multi-parameter Write operations is limited to
support of the Multi-word Write Function (Number 16) but this permits
writing of one parameter value only per message.
The parameter numbering system divides the parameters into bits and words, each
group being numbered independently.
4.4.1
Bit Parameters
There are up to 11 bit parameters:
Parameter
No.
Operation
Alarm 1 Status
Alarm 2 Status
Alarm 3 Status
Alarm 1 Latched
PV Under-range Flag
PV Over-range Flag
Sensor Break Active
Reset Latched Alarm
Reset PV Maximum
Reset PV Minimum
Reset Time Elapsed
1
2
3
4
5
6
7
8
9
10
11
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Write Only
Write Only
Write Only
Write Only
Notes
1 = Active
1 = Active
1 = Active
1 = Alarm 1 latched *
1 = Active
1 = Active
1 = Active
* Always returns 0 if Alarm 1 not configured to be latching.
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November, 2000
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Section 4
RS485 Serial Communications
4.4.2
Word Parameters
Parameter
No.
Process Variable (PV)
PV Maximum
PV Minimum
Time Elapsed
Instrument Status
PV Offset
Alarm 1 value
Alarm 2 value
Alarm 3 value
Alarm 1 Hysteresis
Alarm 2 Hysteresis
Alarm 3 Hysteresis
Filter Time Constant
Decimal Point Position
Scale Range Min.
Scale Range Max.
Recorder Output
Scale Max.
Recorder Output
Scale Min.
Manufacturer ID
Equipment ID
*
4-10
Operation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Read Only *
Read Only *
Read Only *
Read Only *
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
18
Read/Write
121
122
Read Only
Read Only
59039
Notes
Only if Alarm 2 is configured
Only if Alarm 3 is configured
Only if Alarm 2 is configured
Only if Alarm 3 is configured
Read Only for non-linear inputs
Read Only for non-linear inputs
Read Only for non-linear inputs
Only if Recorder Output is
configured
Only if Recorder Output is
configured
= 231 (representing “W1")
number 8010
When the process variable is over-range or under-range or when a
sensor break condition occurs, the value returned is:
Condition
Hex.
Signed
Unsigned
Over-range
F700
–2304
63232
Under-range
F600
–2560
62976
Sensor Break condition
F800
–2048
63488
The PV Max. parameter will return the Over-range value or Sensor Break
value (as appropriate) if either condition has occurred since the PV Max.
parameter was last reset.
The PV Min. parameter will return the Under-range value or Sensor Break
value (as appropriate) if either condition has occurred since the PV Min.
parameter was last reset.
The Time Elapsed parameter will return the Over-range value if the
time exceeds 1000 minutes.
NOTE: All these parameters return signed values except Time Elapsed
(which is unsigned) and Instrument Status (in which Bits 0 - 6 of the
status byte return Bit Parameters 1 - 7 respectively - see Subsection 4.4.1)
November, 2000
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-DIN Digital Indicator
Product Manual - Volume I
Appendix A
Alphabetical Index
Alphabetical Index
A
Alarm 3 (adjusting - comms.)
4-7
AL1 Indicator
Function
Alarm 3 Operator Mode display
2-2
2-2
AL2 Indicator
Function
C
2-2
Cold Junction Compensation
AL3 Indicator
Function
Disabled, indication of
2-2
Communications
Alarm Hysteresis
Alarm 1
2-3
ASCII protocol
3-3
4-1
Baud rates
4-1
Alarm 1 (adjusting - comms.)
4-7
Data format
4-1
Alarm 2
End of Message character
4-2
3-3
Alarm 2 (adjusting - comms.)
4-7
Alarm 3
Line release time maximum
value
4-1
3-4
Alarm 3 (adjusting - comms.)
4-7
Messsage types
4-2
MODBUS protocol 4-9
2-2
MODBUS word parameters
4-10
Alarm Value
Alarm 1
4-1
MODBUS bit parameters 4-9
Alarm Status Indicators
Functions
Line turn-round
3-3
Parity (ASCII protocol)
Alarm 1 (adjusting - comms.)
4-7
4-1
Parity (MODBUS protocol)
4-1
Alarm 1 Operator Mode display
2-2
Scan Tables command 4-4
Alarm 2
Start of Message character
4-2
3-3
Alarm 2 (adjusting - comms.)
4-7
Type 1 message
4-4
Alarm 2 Operator Mode display
2-2
Type 2 message
4-4
Type 3 message
4-4
Alarm 3 3-4
Type 4 message
4-5
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November, 2000
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Appendix A
Alphabetical Index
-DIN Digital Indicator
Product Manual - Volume I
Communications Message Format
4-1
Scale range maximum (adjusting
- comms.)
4-6
Scale range minimum
D
3-4
Scale range minimum (adjusting
- comms.)
4-6
Display Strategy (Operator Mode)
3-5
P
E
Error Responses
59039
Process Variable
4-8
H
Hardware Definition Code
Viewing in Operator Mode
2-4
Interrogating (comms.)
4-5
Operator Mode display
2-2
2-1 -
Process Variable Maximum
Operator Mode display
Hardware Option
2-1
Viewing in Operator Mode
2-4
Resetting (from front panel)
2-2
I
Resetting (via comms. link)
4-8
Input Filter Time Constant
3-4
Adjusting (comms.)
4-6
Input Over-range Display
2-3
Input Under-range Display
2-3
Instrument Commands
Instrument Status
Process Variable Minimum
Operator Mode display
Resetting (from front panel)
2-2
Resetting (via comms. link)
4-8
4-8
4-7
Process Variable Offset
L
3-4
Adjusting (comms.)
Latched Alarm
Resetting (from front panel)
2-3
4-5
R
Recorder Output
Reversing sense of 3-5 - 4-7
Resetting (via comms. link)
4-8
Scale maximum
Linear Input
3-5
Scale Maximum Value (adjusting
- comms.)
4-6
Reversing sense of 3-4 - 3-5
Scale minimum
Scale Range Decimal Point
Position
4-6
Scale range maximum
2-1
3-5
Scale Minimum Value (adjusting
- comms.)
4-6
3-5
S
A-2
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-DIN Digital Indicator
Product Manual - Volume I
Scan Tables Command
Appendix A
Alphabetical Index
4-8
Sensor Break Indication
Operator Mode
2-3
Set Up Mode
Automatic exit from
Entry into
3-1
Exit from
3-5
3-5
Set Up Parameters All At default
Indication of
3-1
T
Time Elapsed
Operator Mode display
2-2
Resetting (from front panel)
2-2
Resetting (via comms. link)
4-8
OM067-A
November, 2000
A-3
Appendix A
Alphabetical Index
A-4
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Product Manual - Volume I
November, 2000
59039
OM067-A
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-DIN Digital Indicator
Product Manual - Volume II
1
8
-DIN DIGITAL INDICATOR
PRODUCT MANUAL
VOLUME II
INSTALLATION AND
CONFIGURATION INSTRUCTIONS
The procedures described in this volume must be
undertaken by technically competent servicing personnel.
SM067-V2
November, 2000
(i)
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Product Manual - Volume II
59039
Contents
1
INSTALLATION
1-1
2
INTERNAL LINKS AND SWITCHES
2-1
3
CONFIGURATION MODE
3-1
Appendices
A
PRODUCT SPECIFICATION
A-1
B
ALPHABETICAL INDEX
B-1
(ii)
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-DIN Digital Indicator
Product Manual - Volume II
Section 1
Installation
SECTION 1
INSTALLATION
1.1
UNPACKING PROCEDURE
1. Remove the instrument from its packing. The instrument is supplied with a
panel gasket and push-fit fixing strap. Retain the packing for future use,
should it be necessary to transport the instrument to a different site or to
return it to the supplier for repair/testing.
2. Examine the delivered items for damage or deficiencies. If any is found,
notify the carrier immediately.
1.2
PANEL-MOUNTING
The panel on which the instrument is to be mounted must be rigid and may be up to
6.0mm (0.25 inches) thick. The cut-out required for a single Digital Indicator is as
shown in Figure 1-1.
45mm
+0.5 - 0.0
92mm
+0.5 - 0.0
Figure 1-1
Cut-out Dimensions
The Digital Indicator is 100mm deep (measured from the rear face of the front panel).
The front panel is 48mm high and 96mm wide. When panel-mounted, the front panel
projects 10mm from the mounting panel. The main dimensions of the instrument are
shown in Figure 1-2.
SM067-1
November, 2000
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Product Manual - Volume II
Section 1
Installation
Figure 1-2
59039
Main Dimensions
To panel-mount the instrument:
1. Insert the rear of the housing through the cut-out (from the front of the
mounting panel) and hold the instrument lightly in position against the panel.
Ensure that the panel gasket is not distorted and that the instrument is
positioned squarely against the mounting panel. Apply pressure to the front
panel bezel only.
CAUTION: Do not remove the panel gasket, as this may result in
inadequate clamping of the instrument in the panel.
2. Slide the fixing strap in place (see Figure 1-3) and push it forward until it is
firmly in contact with the rear face of the mounting panel (the tongues on the
strap should have engaged in matching rachet positions on the housing and
the fixing strap springs should be pushing firmly against the mounting panel
rear face).
Once the instrument is installed in its mounting panel, it may be subsequently removed
from its housing, if necessary, as described in Subsection 2.1.
1-2
November, 2000
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59039
Mounting panel
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Product Manual - Volume II
Section 1
Installation
Front panel
Sealing gasket
Tongues on fixing strap
engage in ratchet slots
on housing
Fixing strap
Housing
TOP VIEW OF INSTRUMENT
Figure 1-3
SM067-1
Panel-Mounting
November, 2000
1-3
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Product Manual - Volume II
Section 1
Installation
1.3
59039
CONNECTIONS AND WIRING
The rear terminal connections are illustrated in Figure 1-4.
Output 1 is always a relay output which may be used as Alarm 1 (latching or
non-latching) or the logical OR of Alarms 1 & 2.
Output 2 (option) may be a relay output (Alarm 2, Alarm 3 or logical OR of Alarms
1 & 2, 1 & 3 or 2 & 3) or a DC output (recorder output)
Output 3 (option) may be a relay output (Alarm 2, Alarm 3 or logical OR of Alarms
1 & 2, 1 & 3 or 2 & 3) or a transmitter power supply output
Figure 1-4
1-4
Rear Terminal Connections
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Product Manual - Volume II
Section 1
Installation
1.3.1
Mains (Line) Input
The instrument will operate on 96 - 264V AC 50/60Hz mains (line) supply. The power
consumption is approximately 4 VA.
CAUTION: This equipment is designed for installation in an enclosure
which provides adequate protection against electric shock. Local
regulations regarding electrical installation should be rigidly observed.
Consideration should be given to prevention of access to the power
terminations by unauthorised personnel. Power should be connected
via a two-pole isolating switch (preferably situated near the equipment)
and a 1A fuse, as shown in Figure 1-5.
Figure 1-5
Mains (Line) Supply Connections
If the instrument has relay outputs in which the contacts are to carry
mains (line) voltage, it is recommended that the relay contact mains
(line) supply should be switched and fused in a similar manner but
should be separate from the instrument mains (line) supply.
1.3.2
24V (Nominal) AC/DC Supply
The supply connections for the 24V AC/DC version are shown in Figure 1-6. Power
should be connected via a two-pole isolating switch and a 315mA slow-blow fuse
(anti-surge Type T).
Figure 1-6
24V AC/DC Supply Connections
The nominal 24V supply may be in the following ranges:
24V (nominal) AC 50/60Hz 24V (nominal) DC -
SM067-1
November, 2000
20 - 50V
22 - 65V
1-5
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Section 1
Installation
-DIN Digital Indicator
Product Manual - Volume II
Table 1-1
1-6
59039
Thermocouple Cable Colour Codes
November, 2000
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Product Manual - Volume II
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Section 1
Installation
1.3.3
Thermocouple Input
The correct type of thermocouple extension leadwire/compensating cable must be used
for the entire distance between the instrument and the thermocouple, ensuring that
correct polarity is observed throughout. Joints in the cable should be avoided, if
possible. The CJC facility must be enabled (normal conditions) for this input (see
Subsection 3.10).
NOTE: Do not run thermocouple cables adjacent to power-carrying
conductors. If the wiring is run in a conduit, use a separate conduit for
the thermocouple wiring. If the thermocouple is grounded, this must be
done at one point only. If the thermocouple extension lead is shielded,
the shield must be grounded at one point only.
The colour codes used on thermocouple extension leads are shown in Table 1-1.
1.3.4
RTD Input
The compensating lead should be connected to Terminal 3. For two-wire RTD inputs,
Terminals 2 and 3 should be linked. The extension leads should be of copper and the
resistance of the wires connecting the resistance element should not exceed 5 ohms
per lead (the leads should be of equal length).
1.3.5
Linear Input
For linear mA input ranges, connection is made to Terminals 1 and 4 in the polarity
shown in Figure 1-4. For linear mV and V ranges, connection is made to Terminals 2
and 3 in the polarity shown in Figure 1-4. For details of the linear input ranges available,
refer to Appendix A. If it is required to display the engineering units used, refer to
Subsection 2.4.
1.3.6
Remote Reset (Option)
With the Remote Reset option fitted, Terminals 16 and 17 may be connected to an
external switch/relay contacts or to a TTL-compatible logic signal, which is used to reset
the latched Alarm 1. For an external switch/relay contacts, an “open-closed” transition
will reset the latched alarm. For a TTL signal, a “Logic 1 - Logic 0" transition will reset
the latched alarm.
TTL levels:
Logic 1
Logic 0
>2.0V
<0.8V
NOTE: The Remote Reset option and the RS485 Serial
Communications option are mutually exclusive.
See also Subsection 3.3.2 and Appendix A.
1.3.7
Relay Output
The contacts are rated at 2A resistive at 120/240V AC.
1.3.8
DC Output
See Appendix A.
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Section 1
Installation
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Product Manual - Volume II
59039
1.3.9
RS485 Serial Communications (Option)
The connections for the three-wire RS485 serial communications option (if fitted) are on
Terminals 16, 17 and 18, as shown in Figure 1-4. Where several instruments are
connected to one master port, the master port transceiver in the active state should be
capable of driving a load of 12kΩ per instrument; the master port transceiver in the
passive state must have pull-up/pull-down resistors of sufficiently low impedance to
ensure that it remains in the quiescent state whilst supplying up to ±100µA each to the
instrument’s transceivers in the high impedance state.
1-8
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Product Manual - Volume II
Section 2
Internal Links and Switches
SECTION 2
INTERNAL LINKS AND SWITCHES
2.1
REMOVING THE INSTRUMENT FROM ITS HOUSING
To withdraw the instrument from its housing, simply grip the side edges of the front
panel (there is a finger grip on each edge) and pull the instrument forwards. This will
release the instrument from its rear connectors in the housing and will give access to
the PCBs. Take note of the orientation of the instrument for subsequent replacement
into the housing.The positions of the PCBs in the instrument are shown in Figure 2-1.
Output 2 Link Jumpers
(DC Output only)
Top edge of
front panel
Power Supply PCB
RS485 Serial Communications
Option PCB or
Remote Reset Option PCB
Input Link Jumpers
Output 2 Option PCB Relay Output (Alarm) or
DC Output (Recorder Output)
CPU PCB
Output 3 Option PCB Relay Output (Alarm) or
Transmitter Power Supply
REAR VIEW OF UNHOUSED INSTRUMENT
Figure 2-1
SM067-2
PCB Positions
November, 2000
2-1
Section 2
Internal Links and Switches
Figure 2-2
2-2
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Product Manual - Volume II
59039
Removing the Output 2/Output 3 Option PCBs
November, 2000
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2.2
-DIN Digital Indicator
Product Manual - Volume II
Section 2
Internal Links and Switches
REMOVING/REPLACING THE OUTPUT 2/OUTPUT 3 OPTION PCBs
With the instrument removed from its housing:
1. Gently push the rear ends of the CPU PCB and Power Supply PCB apart
slightly, until the two tongues on each of the Output 2/Output 3 Option PCBs
become dis-engaged - see Figure 2-2B; The Output 2 Option PCB tongues
engage in holes in the Power Supply PCB and the Output 3 Option PCB
tongues engage in holes on the CPU PCB.
2. Carefully pull the required Option PCB (Output 2 or Output 3) from its
connector (Output 2 Option PCB is connected to the CPU PCB and Output 3
Option PCB is connected to the Power Supply PCB) - see Figure 2-2C. Note
the orientation of the PCB in preparation for its replacement.
Adjustments may now be made to the link jumpers on the CPU PCB and (if DC output)
the Output 2 PCB. The replacement procedure is a simple reversal of the removal
procedure.
2.3
REMOVING/REPLACING THE RS485 COMMUNICATIONS OPTION PCB OR
REMOTE RESET OPTION PCB
The RS485 Communications Option PCB or Remote Reset Option PCB is mounted on
the inner surface of the Power Supply PCB and can be removed when the instrument is
removed from its housing (see Subsection 2.1) by pulling the Option PCB towards the
rear of the PSU PCB. Figure 2-3 illustrates the removal/replacement procedure. It is not
necessary to remove the Output 2/Output 3 Option PCBs to perform this procedure.
Figure 2-3
SM067-2
Removing/Replacing the RS485 Option PCB
or Remote Reset Option PCB
November, 2000
2-3
Section 2
Internal Links and Switches
2.4
1
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-DIN Digital Indicator
Product Manual - Volume II
59039
INSTALLING THE ENGINEERING UNIT LABEL
The instrument is equipped with a label carrier (see Figure 2-4) to which a self-adhesive
engineering unit label may be attached if required.
Power Supply
PCB
Front Panel
(top edge)
Display PCB
Label Carrier
CPU PCB
Figure 2-4
Location of Label Carrier
If the instrument is configured with a linear input and engineering units are to be
displayed on the front panel, the required unit label (see sheet of peel-off labels at the
rear of this manual) may be installed as follows:
1. Remove the instrument from its housing (see Subsection 2.1).
2. For the CPU PCB and Power Supply PCB simultaneously, gently bend
one retaining arm (see Figure 2-5A) to free one side of each PCB; swing
the PCBs clear of the front panel and carefully move them away from the
front panel (the CPU PCB will still be connected to the front panel/Display
PCB by a ribbon cable - do not stress this ribbon cable).
3. Remove the label carrier from its aperture in the Display PCB (see Figure 2-5B).
4. Remove the required engineering unit label from the peel-off sheet at
the rear of this manual and affix to the front face of the label carrier (see
Figure 2-5C), using the ledge on the front face of the carrier for alignment.
5. Replace the label carrier in its aperture on the Display PCB.
6. Replace the CPU PCB and Power Supply PCB in position at the rear of
the front panel.
7. Replace the instrument in its housing (see Subsection 2.5).
2-4
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-DIN Digital Indicator
Product Manual - Volume II
Section 2
Internal Links and Switches
NOTE: Spare label carriers (Part No. 18633) and engineering label
sheets (Part No. 84107) are available.
TOP VIEW
Attach engineering unit label
to this face (ensuring that the
ledge is at the bottom)
FRONT VIEW
Ledge
Ledge
Figure 2-5
SM067-2
Installing the Engineering Unit Label
November, 2000
2-5
Section 2
Internal Links and Switches
2.5
1
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Product Manual - Volume II
59039
REPLACING THE INSTRUMENT IN ITS HOUSING
To replace the instrument, simply align the CPU PCB and Power Supply PCB with their
guides and connectors in the housing and slowly but firmly push the instrument into
position.
CAUTION: Ensure that the instrument is correctly orientated. A stop
will operate if an attempt is made to insert the instrument in the wrong
orientation (e.g. upside-down). This stop must not be over-ridden.
2.6
SELECTION OF INPUT TYPE
The required input type is selected on link jumpers LJ1/LJ2/LJ3 on the CPU PCB (see
Figure 2-6 and Table 2-1).
Figure 2-6
CPU PCB Link Jumpers
Table 2-1
Input Type Selection
Input Type
RTD or DC (mV)
Thermocouple
DC (mA)
DC (V)
2-6
CPU PCB Link Jumper Fitted)
None (Parked)
LJ3
LJ2
LJ1
November, 2000
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2.7
-DIN Digital Indicator
Product Manual - Volume II
Section 2
Internal Links and Switches
OUTPUT 2 TYPE/OUTPUT 3 TYPE
The type of output for Output 2 and Output 3 is determined by the Option PCB fitted in
the appropriate position (see Figure 2-1) and, in the case of the DC Output 2 Option
PCB being fitted, the setting of Link Jumpers LJ8 and LJ9 on that Option PCB (see
Figure 2-7 and Table 2-2). There are three types of option PCB:
1. Relay Output Option PCB (no link jumpers) - Output 2 and Ouput 3
2. DC Output Option PCB (link jumpers as in Figure 2-7 and Table 2-2) Output 2 only
3. Transmitter Power Supply Option PCB - Output 3 only
Figure 2-7
Table 2-2
Output Type
DC (0 - 10V)
DC (0 - 20mA)
DC (0 - 5V
DC (4 - 20mA)
SM067-2
DC Output 2 Option PCB
DC Output 2 Type Selection
Link Jumpers Fitted
LJ8 (DC Output 2 Option PCB)
LJ9 (DC Output 2 Option PCB)
LJ8 (DC Output 2 Option PCB)
LJ9 (DC Output 2 Option PCB)
November, 2000
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Product Manual - Volume II
Section 3
Configuration Mode
59039
SECTION 3
CONFIGURATION MODE
3.1
ENTRY INTO CONFIGURATION MODE
To enter Configuration Mode:
1. Ensure that the instrument is powered-down.
2. Power-up the instrument and, within ten minutes of power-up, hold down
the Raise and Scroll keys simultaneously for six seconds. If this is done
whilst the instrument is displaying the process variable value, the instrument
will enter/exit Set Up Mode - keep holding the keys down!
NOTE: This need not be the first key action after power-up.
The instrument will then enter Configuration Mode and the SET indicator will flash. The
user will then be presented with the first of a sequence of parameter displays; in each
instance, the parameter will be identified by a single-character legend in the units
display and the setting of that parameter will be shown in the four-digit display. The
user may then step through the parameters using the Scroll key. The setting may be
adjusted using the Raise/Lower keys. As soon as the value/setting is changed, the
four-digit display will flash, indicating that the new value/setting has yet to be confirmed
(this flashing is inhibited during actual adjustment). When the value/setting is as
required, it may be confirmed by:
(a) pressing the Scroll key, whereupon the four-digit display will show:
(b) pressing the Raise key.
The four-digit display will then show a static (non-flashing) display of the new parameter
setting. Depression of any key other than the Raise key at the SurE? display will cause
the original parameter setting to be retained. The sequence of parameter displays is
shown in Table 3-1.
NOTE: Changes to the value/setting of certain Configuration Mode
parameters (e.g. input range, output use and type) will cause the Set
Up Mode parameters to be automatically set to their default values the
next time Set Up Mode is entered (see also Volume 1, start of Section
3). It is recommended that all Configuration Mode parameters are
finalised before Set Up Mode parameters are adjusted.
3-1
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Product Manual - Volume II
Table 3-1
Parameter
Configuration Mode Parameters
Legend
Hardware Definition
Code
Available Settings
See Subsection 3.2
Hardware Option fitted
Section 3
Configuration Mode
Default
2100
None fitted
RS485 Communications
Remote Latch Reset
Input Range
Alarm 1 Type
Defined by Input Code (see Subsection 3.4)
AL1 ON
1419
Process High Alarm
Process Low Alarm
Alarm 2 Type
AL2 ON
Not in use
Process High Alarm
Process Low Alarm
Alarm 3 Type
AL3 ON
Not in use
Process High Alarm
Process Low Alarm
Output 1 Use
Alarm 1, non-latching,
direct-acting
Alarm 1, non-latching,
reverse-acting
Alarm 1, latching,
direct-acting
Alarm 1, latching,
reverse-acting
Logical OR of Alarm 1 and
Alarm 2, direct-acting
Logical OR of Alarm 1 and
Alarm 2, reverse-acting
SM067-3
November, 2000
3-2
Section 3
Configuration Mode
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Product Manual - Volume II
59039
Table 3-1 (Cont.) Configuration Mode Parameters
Parameter
Output 2 Use 1
Legend
Available Settings
Default
Alarm 2, direct-acting 5
Alarm 2, reverse-acting 5
Alarm 3, direct-acting 5
Alarm 3, reverse-acting 5
Logical OR of Alarm 1 and
Alarm 2, direct-acting 5
Logical OR of Alarm 1 and
Alarm 2, reverse-acting 5
Logical OR of Alarm 1 and
Alarm 3, direct-acting 5
Logical OR of Alarm 1 and
Alarm 3, reverse-acting 5
Logical OR of Alarm 2 and
Alarm 3, direct-acting 5
Logical OR of Alarm 2 and
Alarm 3, reverse-acting 5
Recorder Output (PV) 6
Output 3 Use 2
Alarm 2, direct-acting 7
Alarm 2, reverse-acting 7
Alarm 3, direct-acting 7
Alarm 3, reverse-acting 7
Logical OR of Alarm 1 and
Alarm 2, direct-acting 7
Logical OR of Alarm 1 and
Alarm 2, reverse-acting 7
Logical OR of Alarm 1 and
Alarm 3, direct-acting 7
3-3
November, 2000
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-DIN Digital Indicator
Product Manual - Volume II
Section 3
Configuration Mode
Table 3-1 (Cont.) Configuration Mode Parameters
Parameter
Legend
Available Settings
Output 3 Use (cont.) 2
Default
Logical OR of Alarm 1 and
Alarm 3, reverse-acting 7
Logical OR of Alarm 2 and
Alarm 3, direct-acting 7
Logical OR of Alarm 2 and
Alarm 3, reverse-acting 7
Transmitter Power Supply 8
Communications
Baud Rate 3
1200, 2400, 4800 or 9600 Baud
Communications
Address 3
1 - 32
Communications
Protocol 3
4800
1
ASCII
MODBUS, odd parity
MODBUS, even parity
MODBUS, no parity
Cold Junction
Compensation
Enable/Disable 4
Enabled
Disabled
NOTES ON TABLE 3-1
1. Only appears in display sequence if Output 2 is fitted/configured in the Hardware
Definition Code (i.e. Digit 3 is non-zero).
2. Only appears in display sequence if Output 3 is fitted/configured in the Hardware
Definition Code (i.e. Digit 4 is non-zero).
3. Only appears in display sequence if the Hardware Option parameter is set to r485.
4. Only appears in display sequence if thermocouple input is fitted/configured
i.e. Digit 1 of Hardware Definition Code is set to 2 (see Subsection 3.2)
5. Only if Output 2 is configured as a relay output
6. Only if Output 2 is configured as a DC linear output
7. Only if Output 3 is configured as a relay output
8. Only if Output 3 is configured as a transmitter power supply output
SM067-3
November, 2000
3-4
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Section 3
Configuration Mode
3.2
-DIN Digital Indicator
Product Manual - Volume II
59039
HARDWARE DEFINITION CODE
This parameter is used to represent the hardware fitted (input type, Output 1 type,
Output 2 type and Output 3 type); this must be compatible with the hardware actually
fitted. Access to the Hardware Definition Code is gained by pressing the Scroll and
Lower keys simultaneously whilst the instrument is in Configuration Mode. The code is
used as follows:
1
Digit 4 - Output 3 Type
Digit 1 - Input Type
Value
1
2
3
4
Meaning
RTD/Linear DC (mV)
Thermocouple †
Linear DC (mA)
Linear DC (V)
Value
0
1
8
Meaning
Not fitted †
Relay
Transmitter Power Supply
Digit 3 - Output 2 Type
Value
0
1
3
4
5
7
Output 1 always
relay output
† Default setting
Meaning
Not fitted †
Relay
DC (0 - 10V)
DC (0 - 20mA)
DC (0 - 5V)
DC (4 - 20mA)
The maximum setting available for this code is 4178. For example, the code for an
instrument with a thermocouple input, relay Output 1, relay Output 2 and relay Output 3
would be 2111.
NOTE: It is essential that this code is changed promptly whenever
there is a change to the instrument’s hardware configuration (change
of input/output type, alarm/recorder output added/removed etc.). The
instrument software depends upon this code to ensure correct
operation.
This code may also be viewed as a Read Only display in Operator Mode (see Volume
1, Subsection 2.9).
3.3
HARDWARE OPTION
There are two hardware options available - RS485 Serial Communications and Remote
Latching Alarm Reset. These options are mutually exclusive. Access is gained to the
Hardware Option parameter by pressing the Scroll key whilst the Hardware Definition
Code is displayed in Configuration Mode. The Hardware Option display may be viewed
as a Read Only display in Operator Mode (see Volume 1, Subsection 2.9)
3-5
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Section 3
Configuration Mode
3.3.1
RS485 Serial Communications Option
For this option, the protocol used is defined by the Communications Protocol
parameter - see Subsection 3.9. Full details of communications operation are given in
Volume 1, Section 4.
3.3.2
Remote Latching Alarm Reset Option
This option has the same effect as resetting the latching Alarm 1 (see Output 1 Use
parameter in Table 3-1) from the front panel. The latched Alarm 1 can be reset only if
the original alarm condition has been cleared; this reset has no effect whilst the alarm
condition prevails. See also Appendix A for more details of this option.
3.4
INPUT RANGE
The default setting of this parameter is dependent upon the input hardware fitted, as
indicated by the first (left-most) digit of the Hardware Definition Code (see Subsection
3.2):
Input Hardware Fitted
Default Setting
Thermocouple
1419 (Type “J”, 0 to 761oC)
RTD/Linear mV)
7220 (RTD Pt100, 0 to 800oC)
Linear mA
3414 (4 to 20mA)
4446 (0 to 10V)
Linear V
If the Hardware Definition Code is at its default setting, input code 1419 will be
displayed. The input ranges and codes available are listed in Appendix A.
3.5
ALARM TYPE
The operation of the different alarm types is shown in Volume 1, Figure 3-1.
3.6
LOGICAL COMBINATION OF ALARMS
Output 1, 2 or 3 may be used as a relay output representing a logic OR of two alarms.
EXAMPLE OF LOGICAL COMBINATION OF ALARMS
Logical OR of Alarm 1 with Alarm 2
Alarm Status
Alarm 1
OFF
ON
OFF
ON
3.7
Alarm 2
OFF
OFF
ON
ON
Relay State
Direct-acting
De-energised
Energised
Energised
Energised
Reverse-acting
Energised
De-energised
De-energised
De-energised
COMMUNICATIONS BAUD RATE
This parameter must be set to the same Baud rate as the communications port on the
master device.
SM067-3
November, 2000
3-6
Section 3
Configuration Mode
3.8
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Product Manual - Volume II
59039
COMMUNICATIONS ADDRESS
This is the unique address assigned to the instrument; it is used by the master device to
communicate with the instrument.
3.9
COMMUNICATIONS PROTOCOL
There are two communications protocols available: ASCII (fixed, even parity) and
MODBUS (selectable odd parity, even parity or no parity). Refer to Volume 1, Section 4
for details.
3.10
COLD JUNCTION COMPENSATION
This parameter is applicable only if a thermocouple input is fitted, in which case it must
be enabled in normal use.
NOTE: If a thermocouple input is fitted and the CJC is disabled, in
Operator Mode whenever the process variable is displayed, the unit
display will show:
3.11
EXIT FROM CONFIGURATION MODE
To leave Configuration Mode, either (a) press the Raise and Scroll keys simultaneously
or (b) power-down then power up again. Either action will cause a return to the
Operator Mode.
NOTE: An automatic return to Operator Mode is made if, in
Configuration Mode, there is no front panel key activity for five minutes.
The exit is made via the power-up self-test routines which include an LED indicator test.
3-7
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Product Manual - Volume II
Appendix A
Product Specification
APPENDIX A
PRODUCT SPECIFICATION
UNIVERSAL INPUT
General
Maximum per Instrument:
One
Input Sample Rate:
Four samples/second
Digital Input Filter:
Time constant selectable from front
panel - 0.0 (i.e. OFF), 0.5 to 100.0
seconds in 0.5-second increments.
Input Resolution:
14 bits approximately; always four times
better than display resolution.
Input Impedance:
Greater than 100MΩ resistive (except
for DC mA and V inputs).
Isolation:
Isolated from all outputs at 240V AC.
Process Variable Offset:
Adjustable input span.
Thermocouple
Ranges selectable from front panel:
Type
Input Range
Displayed
Code
Type
Input Range
Displayed
Code
R
0 - 1650°C
1127
K
−200 - 760°C
6726
R
32 - 3002°F
1128
K
−328 - 1399°F
6727
S
0 - 1649°C
1227
K
−200 - 1373°C
6709
S
32 - 3000°F
1228
K
−328 - 2503°F
6710
J
0.0 - 205.4°C
1415
L
0.0 - 205.7°C
1815
J
32.0 - 401.7°F
1416
L
32.0 - 402.2°F
1816
J
0 - 450°C
1417
L
0 - 450°C
1817
J
32 - 842°F
1418
L
32 - 841°F
1818
J
0 - 761°C *
1419
L
0 - 762°C
1819
J
32 - 1401°F
1420
L
32 - 1403°F
1820
T
−200 - 262°C
1525
B
211 - 3315°F
1934
T
−328 - 503°F
1526
B
100 - 1824°C
1938
T
0.0 - 260.6°C
1541
N
0 - 1399°C
5371
T
32.0 - 501.0°F
1542
N
32 - 2550°F
5324
* Default setting
SM067-A
November, 2000
A-1
1
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Appendix A
Product Specification
-DIN Digital Indicator
Product Manual - Volume II
59039
Calibration:
Complies with BS4937, NBS125 and
IEC584.
Sensor Break Protection:
Break detected within two seconds.
Alarms operate as if the process
variable has gone over-range.
Resistance Temperature Detector (RTD)
Ranges selectable from front panel:
Input Range
Displayed
Code
Input Range
Displayed
Code
Input Range
Displayed
Code
0 - 800°C *
7220
−149.7 - 211.9°F
2231
−200 - 206°C
2297
32 - 1471°F
7221
0 - 300°C
2251
−328 - 402°F
2298
32 - 571°F
2229
0.0 - 100.9°C
2295
−100.9 - 537.3°C
7222
−100.9 - 100.0°C
2230
32.0 - 213.6°F
2296
−149.7 - 999.1°F
7223
* Default setting
Type and Connection:
Three-wire Pt100
Calibration:
Complies with BS1904 and DIN43760.
Lead Compensation:
Automatic scheme.
RTD Sensor Current:
150µA (approximately)
Sensor Break Protection:
Break detected within two seconds.
Alarms operate as if the process
variable has gone over-range.
DC Linear
Ranges Selectable from Front Panel:
Input
Range
Displayed
Code
Input
Range
Displayed
Code
Input
Range
Displayed
Code
Input
Range
Displayed
Code
0 - 20mA
3413
0 - 50mV
4443
0 - 5V
4445
0 - 10V*
4446
4 - 20mA*
3414
10 - 50mV
4499
1 - 5V
4434
2 - 10V
4450
* Default setting
(Changes may also be required to the CPU PCB link jumpers - see Subsection 7.4.1.)
A-2
Scale Range Maximum:
–1999 to 9999. Decimal point as
required.
Scale Range Minimum:
–1999 to 9999. Decimal point as for
Scale Range Maximum.
Minimum Span:
1 display LSD.
November, 2000
SM067-A
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-DIN Digital Indicator
Product Manual - Volume II
Sensor Break Protection:
Appendix A
Product Specification
Applicable to 4 - 20mA, 1 - 5V and 2 10V ranges only. Break detected within
two seconds. Alarms operate as if the
process variable has gone under-range.
REMOTE RESET INPUT (Option)
Type:
Voltage-free, TTL-compatible
May be connected to:
External switch/relay contacts or
TTL-compatible logic signal.
Reset caused by:
Open-close transition (external
switch/relay contacts) or “1" - ”0" logic
transition (TTL logic signal).
Maximum Input Delay
(open - closed or “1" - ”0"):
1 second
Minimum Input delay
(closed - open or “0" - ”1"):
1 second
External switch/relay contacts:
Maxi mum Con tact Re sis tance
(Closure):
50Ω
Mini mum Con tact Re sis tance
(Open):
5000Ω
External TTL Logic Signal:
Maximum Voltage (TTL) for “0":
0.8V
Minimum Voltage (TTL) for “0":
–0.6V
Minimum Voltage (TTL) for “1":
2.0V
Maximum Voltage (TTL) for “1":
24.0V
OUTPUT 1
General
Type:
Relay.
Contact Type:
Single pole double throw (SPDT).
Rating:
2A resistive at 120/240V AC.
Lifetime:
>500,000 operations at rated
voltage/current.
Isolation:
Inherent.
SM067-A
November, 2000
A-3
Appendix A
Product Specification
1
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59039
OUTPUT 2 (Option)
General
Types Available:
Relay and DC.
Contact Type:
Single pole double throw (SPDT).
Rating:
2A resistive at 120/240V AC.
Lifetime:
>500,000 operations at rated
voltage/current.
Isolation:
Inherent.
Resolution:
Eight bits in 250mS (10 bits in 1 second
typical, >10 bits in >1 second typical).
Update Rate:
Approximately 4/second.
Ranges:
0 - 20mA, 4 - 20mA, 0 - 10V, 0 - 5V, 1 5V, 2 - 10V
Relay
DC
(Changes between V and mA ranges also require link jumper movement.)
Load Impedance:
0 - 20mA: 500Ω maximum
4 - 20mA: 500Ω maximum
0 - 10V: 500Ω minimum
0 - 5V: 500Ω minimum
1 - 5V: 500Ω minimum
2 - 10V: 500Ω minimum
Isolation:
Isolated from all other inputs and
outputs.
Range Selection Method:
Link jumper and front panel code.
OUTPUT 3 (Option)
General
Types Available:
Relay and Transmitter Power Supply
Contact Type:
Single pole double throw (SPDT).
Rating:
2A resistive at 120/240V AC.
Lifetime:
>500,000 operations at rated
voltage/current.
Isolation:
Inherent.
Relay
A-4
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Appendix A
Product Specification
Transmitter Power Supply
Output:
20 - 28V DC (24V DC nominal).
Minimum Load Impedance:
910Ω (22mA @ 20V DC).
ALARM CONTROL
Maximum Number of Alarms:
Three
Max. No. of Outputs Available:
All three outputs can be alarm outputs.
Combinatorial Alarms:
Logical OR of alarms to an individual
hardware output is available.
COMMUNICATIONS
Type:
Serial asynchronous UART-to-UART
link.
Data Format:
ASCII: One start bit, even parity, seven
data bits, one stop bit.
MODBUS: as above with odd, even or
no parity
Physical Layer:
RS485
Presentation Layer:
ASCII or MODBUS
Maximum Number of Zones:
32
Baud Rate:
Selectable from 9600, 4800, 2400 or
1200 Baud.
Zone Address Selection:
Selectable from front panel in the range
1 - 32.
PERFORMANCE
Reference Conditions
Generally as BS5558.
Ambient Temperature:
20oC ±2oC
Relative Humidity:
60 - 70%
Supply Voltage:
90 - 264V AC 50Hz ±1%
Source Resistance:
<10Ω for thermocouple input
Lead Resistance:
<0.1Ω/lead balanced (Pt100)
Performance Under Reference Conditions
Common Mode Rejection:
SM067-A
>120dB at 50/60Hz giving negligible
effect at up to 264V 50/60Hz.
November, 2000
A-5
Appendix A
Product Specification
1
8
-DIN Digital Indicator
Product Manual - Volume II
Series Mode Rejection:
59039
>500% of span (at 50/60Hz) causes
negligible effect.
DC Linear Inputs
Measurement Accuracy:
±0.05% of span ±1LSD.
Thermocouple Inputs
Measurement Accuracy:
±0.25% of span ±1LSD. NOTE:
Reduced performance with Type “B”
Thermocouple between 100 - 600oC
(212 - 1112oF).
Linearisation Accuracy:
Better than ±0.2oC any point, any 0.1oC
range (±0.05oC typical). Better than
±0.5oC any point, any 1oC range.
Cold Junction Compensation:
Better than ±0.7oC.
RTD Inputs
Measurement Accuracy:
±0.25% of span ±1LSD
Linearisation Accuracy:
Better than ±0.2oC any point, any 0.1oC
range (±0.05oC typical). Better than
±0.5oC any point, any 1oC range.
DC Output 2 (Recorder Output)
Accuracy:
±0.25% (mA @ 250Ω, V @ 2kΩ);
Degrades linearly to ±0.5% for
increasing burden (to specification
limits). Degrades to ±4% in the
frequency band 52 - 80MHz for
line-conducted disturbances induced by
RF fields (10V 80% AM 1kHz).
Operating Conditions
Ambient Temperature (Operating):
0oC to 55oC
Ambient Temperature (Storage): –20oC to 80oC
A-6
Relative Humidity:
20% - 95% non-condensing
Supply Voltage:
90 - 264V AC 50/60Hz (standard)
20 - 50V AC 50/60Hz or 22 - 65V DC
(option)
Source Resistance:
1000Ω maximum (thermocouple)
November, 2000
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Lead Resistance:
Appendix A
Product Specification
50Ω per lead maximum balanced
(Pt100)
Performance Under Operating Conditions
Temperature Stability:
0.01% of span/oC change in ambient
temperature.
Cold Junc tion Com pen sa tion
(thermocouple Only):
Better than ±1oC.
Supply Voltage Influence:
Negligible.
Relative Humidity Influence:
Negligible
Sensor Resistance Influence:
Thermocouple 100Ω: <0.1% of span
error
Thermocouple 1000Ω: <0.5% of span
error
RTD Pt100 50Ω/lead: <0.5% of span
error
ENVIRONMENTAL
Operating Conditions:
See PERFORMANCE.
EMI Susceptibility:
Designed to meet EN50082 Part 2.
EMI Emissions:
Designed to meet EN500081 Part 2.
Safety Considerations:
Designed to comply with IEC 1010-1 in
as far as it is applicable.
Supply Voltage:
90 - 264V AC 50/60Hz (standard)
20 - 50V AC 50/60Hz or 22 - 65V DC
(option)
Power Consumption:
4 watts approximately.
Front Panel Sealing:
To IP65 (similar to NEMA 4)
PHYSICAL
Dimensions:
Depth - 100mm approximately
Front Panel:
Width - 48mm, Height - 96mm ( 18-DIN)
Mounting:
Plug-in with panel mounting fixing strap.
Panel cut-out 45mm x 92mm.
Terminals:
Screw type (combination head) plus
“telecom” type socket.
Weight:
0.48kg (1.06lb) maximum
SM067-A
November, 2000
A-7
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Appendix B
Alphabetical Index
-DIN Digital Indicator
Product Manual - Volume II
59039
Alphabetical Index
A
D
AC/DC (24V) Supply
Fuse rating
DC Linear Input
1-5
Ranges available
Terminal connections
Voltage ranges
1-5
A-2
DC Output
1-5
Terminal connections
Alarm Type
1-7
E
Selection of
3-6
Engineering Unit Label
C
Installing
CJC Disabled Display
H
Thermocouple inputs only
3-7
Hardware Definition Code
Explanation of
Cold Junction Compensation
Enabling/disabling
Hardware Option Setting
Viewing/changing 3-5
Baud rate, selection of
3-6
Terminal connections
1-8
Selection of
3-7
Selection of
3-6
2-6
Instrument Dimensions
Communications Option PCB
Removal/replacement
3-6
Input Type
Communications Option
A-7
L
2-3
Label Carrier
Communications Protocol
Selection of
I
Input Range
Communications Address
Selection of
3-5
Viewing/changing 3-5
3-7
Communications
Selection of
2-4
Location of
3-7
2-4
Linear Input
Configuration Mode
Automatic exit from
Entry into
3-1
Exit from
3-7
Terminal connections
3-7
1-7
Logical Combination of Alarms
Example of
3-6
CPU PCB
Link jumpers 2-6
B-1
November, 2000
SM067-B
1
8
59039
-DIN Digital Indicator
Product Manual - Volume II
Appendix B
Alphabetical Index
Remote Reset Option
M
Selection of
Mains (Line) Input
Fuse rating
3-6
Remote Reset Option PCB
1-5
Terminal connections
Removal/replacement
1-5
2-3
Removing the Indicator from its Housing
2-1
Voltage range 1-5
O
Replacing the Indicator in its Housing
2-6
Output 2 DC Option PCB
Link jumpers 2-7
RTD Input
Output 2 Option PCB
Ranges available
Removal/replacement
2-3
A-2
Terminal connections
Output 2 Type
1-7
S
Selection of
2-7
Sensor Break
Output 3 Option PCB
Removal/replacement
Effect on Alarm outputs (DC
linear inputs)
A-3
2-3
Effect on Alarm outputs (RTD
inputs) A-2
Output 3 Type
Selection of
2-7
Effect on Alarm outputs
(thermocouple inputs) A-2
P
Panel-Mounting
T
Cut-out dimensions
1-1
Indicator dimensions
1-1
Thermocouple Input
Ranges available
Maximum panel thickness
1-1
Procedure
Terminal connections
Unpacking Procedure
2-1
Power Consumption
1-7
U
1-2
PCB Positions
A-1
1-1
1-5
R
Rear Terminal Connections
1-4
Relay Output
Terminal connections
1-7
Remote Reset Input
Terminal connections
SM067-B
1-7
November, 2000
B-2
Appendix B
Alphabetical Index
B-3
1
8
-DIN Digital Indicator
Product Manual - Volume II
November, 2000
59039
SM067-B
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