M-system RB Instruction Manual
M-system RB
The M-system RB signal conditioner is a versatile device that can be used for a variety of applications. It is suitable for use in industrial environments and has a number of features that make it ideal for use with RTDs. The RB can be used with a variety of RTDs, including Pt100, Pt50, and Pt1000. It has a wide input range of -50 to +200°C and an accuracy of ±0.1% of span. The RB also has a number of output options, including 4-20mA, 0-10V, and 0-5V. This makes it easy to interface with a variety of devices, such as PLCs, data loggers, and displays. Other features of the RB include:
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RB/RBS
INSTRUCTION MANUAL
RTD TRANSMITTER
MODEL
RB/RBS
BEFORE USE ....
Thank you for choosing M-System. Before use, check the contents of the package you received as outlined below.
If you have any problems or questions with the product, please contact M-System’s Sales Office or representatives.
■ PACKAGE INCLUDES:
Signal conditioner (body + base socket) .........................(1)
■ MODEL NO.
Confirm that the model number described on the product is exactly what you ordered.
■ INSTRUCTION MANUAL
This manual describes necessary points of caution when you use this product, including installation, connection and basic maintenance procedures.
POINTS OF CAUTION
WARNING
• Risk of Electrical Shock: The Front Cover is to be Opened
Only by Qualified Service Personnel.
• Before You Remove the Unit from its Base Socket or Mount it, Turn Off the Power Supply and Input Signal for Safety.
■ UNPLUGGING THE UNIT
• Before you remove the unit from its base socket or mount it, turn off the power supply and input signal for safety.
■ ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the air, install the unit inside proper housing with sufficient ventilation.
• Do not install the unit where it is subjected to continuous vibration. Do not apply physical impact to the unit.
• Environmental temperature must be within -5 to +60°C
(23 to 140°F) with relative humidity within 30 to 90% RH in order to ensure adequate life span and operation.
■ WIRING
• Do not install cables close to noise sources (relay drive cable, high frequency line, etc.).
• Do not bind these cables together with those in which noises are present. Do not install them in the same duct.
■ AND ....
• The unit is designed to function as soon as power is sup plied, however, a warm up for 10 minutes is required for satisfying complete performance described in the data sheet.
■ CONFORMITY WITH EU LVD DIRECTIVE OR UL
(CE / UL is unavailable for certain model suffix options.)
• This equipment is suitable for use in a Pollution Degree 2 environment and in Installation Category II.
Reinforced insulation (signal input or output to power in put: 300V) and basic insulation (signal input to output:
300V) are maintained. (No I / O isolation for RB).
Prior to installation, check that the insulation class of this unit satisfies the system requirements.
• Altitude up to 2000 meters.
• The equipment must be mounted inside a panel.
• The equipment must be installed such that appropriate clearance and creepage distances are maintained to conform to CE / UL requirements. Failure to observe these re quirements may invalidate the CE / UL conformance.
■ CONFORMITY WITH EU EMC DIRECTIVE
• Insert noise filters for the signal I / O and the power source connected to the unit. TDK Model ZCAT 3035-1330 or equivalent is recommended.
• The actual installation environments such as panel con figurations, connected devices, connected wires, may affect the protection level of this unit when it is integrated in a panel system. The user may have to review the CE re quirements in regard to the whole system and employ additional protective measures to ensure the CE conformity.
COMPONENT IDENTIFICATION
■
Specifications
Body
Connection Diagram
Front Cover
LCD Meter
(optional)
HOW TO OPEN THE FRONT COVER:
Base Socket
Position your finger on the hook at the top of the front cover and pull.
■ POWER INPUT RATING & OPERATIONAL RANGE
• Operational range & power consumption: Check the pow er rating for the unit with the specifications.
AC ratings: Rating ±10%, 50 / 60 ±2 Hz, approx. 2VA (approx. 3VA with Option /E2)
DC ratings except 110V: Rating ±10%, approx. 2W
(approx. 3W with Option /E2)
110V DC rating: 85 – 150V, approx. 2W
The shape of base socket may be different for some models.
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-1334 Rev.7
P. 1 / 4
■ FRONT PANEL CONFIGURATIONS
• Option /E
• Option /E2
NEXT Key
ENTER Key
Zero Adj.
Span Adj.
Zero Adj.
Span Adj.
Loop Test Selector
Top
Middle
Bottom
: 0% fixed
: 100% fixed
: Cancel
(normal operating mode)
RB/RBS
INSTALLATION
Detach the yellow clamps located at the top and bottom of the unit for separating the body from the base socket.
■ DIN RAIL MOUNTING
Set the base socket such that its
DIN rail adaptor is at the bottom.
Position the upper hook at the rear side of base socket on the
DIN rail and push in the lower.
When removing the socket, push down the DIN rail adap tor utilizing a screwdriver (–) and pull.
■ WALL MOUNTING
Refer to the drawings below.
Clamp
(top & bottom)
DIN Rail
35mm wide
Spring Loaded
DIN Rail Adaptor
Shape and size of the base socket are slightly different with various socket types.
TERMINAL CONNECTIONS
Connect the unit as in the diagram below or refer to the connection diagram on the top of the unit.
■ DIMENSIONS mm (inch)
CLAMP
(top & bottom)
20 (.79)
DIN RAIL
35mm wide
6 5
7.8 (.31)
4 3
50 (1.97) 107 (4.21)
127 (5)
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
7 8 1 2
40 (1.57)
50 (1.97) [3.3 (.13)]
• When mounting, no extra space is needed between units.
■ CONNECTION DIAGRAM
RTD
A
B
B
3
4
5
1 +
2 –
7 U(+)
8 V(–)
OUTPUT
POWER
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-1334 Rev.7
P. 2 / 4
DISPLAY SETTING PROCEDURE Option /E2
Value
Unit, Item
RB/RBS
NEXT
Normal Operating
Mode
NEXT
ITEM : ‘CFG’
Display Configuration
Mode
NEXT NEXT
ITEM : ‘CAL’
Calibration Mode
Adjust the display 0% &
100% values
NEXT NEXT
Press ENTER key in maintaining NEXT key pressed to return to Normal Operating Mode from any setting mode.
ENTER
ENTER
ITEM : ‘UNIT’
Select engineering unit
NEXT
ITEM : ‘DOT P’
Select decimal point position
NEXT
ENTER
ENTER
ENTER Key
NEXT Key
Backlight : Green (normal)
Red (simulated output)
Press NEXT one or more times.
Selectable among %, µV, mV, V, mA, A,
°C, °F, Ω, DEG K, mHz, Hz, kHz, VAC, AAC, mg, g, kg, t, rpm, rps and no engineering unit.
(Factory setting: %)
Press NEXT one or more times.
Selectable between 10 -1 – 10 -4 and no decimal point.
(Factory setting: 10
-2
)
ITEM : ‘SCL Z’
Select 0% scaling value
NEXT
ENTER
Exit
Numeric Input
Mode
Selectable within the range -10 000 to +10 000.
(Factory setting: 0000)
ITEM : ‘SCL S’
Select 100% scaling value
ITEM : ‘ADJ Z’
ENTER
Exit
Numeric Input
Mode
Selectable within the range -10 000 to +10 000.
(Factory setting: 10 000)
Set the present input value as 0%.
Display shows AD conversion value * 1 .
ENTER
ENTER
(Value Set)
Apply the input signal for 0%.
Press NEXT to read and show the present input value
(AD conversion value)
NEXT
ITEM : ‘ADJ S’
Set the present input value as 100%.
Display shows AD conversion value * 1 .
ENTER
ENTER
(Value Set)
Apply the input signal for 100%.
Press NEXT to read and show the present input value
(AD conversion value)
ITEM : ‘INIT’
Display Initialization
Mode
NEXT
ENTER ITEM : ‘NO’
NEXT
ITEM : ‘YES’
Press ENTER to reset the display configuration to the initial state.
* 1.
‘AD conversion value’ means the internal digital data representing the input signal, which is computed to a percentage.
It is not a % or engineering unit value.
Numeric Input Mode
Most Significant Digit
(upper line)
Press NEXT to choose among
‘0’ –> ‘1’ –> ‘-0’ –>
‘-1’ –> ‘0’ ....
Select
‘0’ or ‘-0’
ENTER
Less Significant Digits
(upper line)
Press NEXT to choose among ‘0’ through ‘9.’
Press ENTER to move to the next
LS digit.
Select ‘1’ or ‘-1’
ENTER
The range is set to
10 000 or -10 000 and the numeric input mode ends.
ENTER
Exit Numeric
Input Mode
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-1334 Rev.7
P. 3 / 4
SIMPLE LOOP TEST OUTPUT Option /E2
Simulated 0% and 100% output is available with Option /E2.
Switch the Loop Test Selector positions.
Top position: 0% fixed
Middle position: 100% fixed
Bottom position: Cancel the loop test mode
(Back to the normal operating mode)
CHECKING
1) Terminal wiring: Check that all cables are correctly con nected according to the connection diagram.
2) Power input voltage: Check voltage across the terminal
7 – 8 with a multimeter.
3) Input: Check voltage across the terminal 3 – 4 with a sensitive voltmeter.
(With 20°C or 68°F, approx. 220mV with Pt 100, approx.
110mV with Pt 50 Ω.)
If RTD wires are broken, the output goes over 100% (be low 0% with downscale protection) due to burnout pro tection function. Check leadwires in such a case.
4) Output: Check that the load resistance meets the de scribed specifications.
ADJUSTMENT PROCEDURE
This unit is calibrated at the factory to meet the ordered specifications, therefore you usually do not need any calibration.
The output signal can be finely adjusted to match it to a re ceiving instrument, or to compensate input wire resistance when the unit is combined with a zenor barrier. Follow the regular calibration procedure explained below:
■ HOW TO CALIBRATE THE OUTPUT SIGNAL
Use a signal source and measuring instruments of sufficient accuracy level. Turn the power supply on and warm up for more than 10 minutes.
1) ZERO: Apply 0% input and adjust output to 0%.
2) SPAN: Apply 100% input and adjust output to 100%.
3) Check ZERO adjustment again with 0% input.
4) When ZERO value is changed, repeat the above proce dure 1) – 3).
RB/RBS
MAINTENANCE
Regular calibration procedure is explained below:
■ CALIBRATION
Warm up the unit for at least 10 minutes. Apply 0%, 25%,
50%, 75% and 100% input signal. Check that the output signal for the respective input signal remains within the range of accuracy described in the data sheet. When the output is out of tolerance, recalibrate the unit according to the “ADJUSTMENT PROCEDURE” explained earlier.
LIGHTNING SURGE PROTECTION
In order to protect the unit from lightning surges entering through signal and power supply cables, use of appropriate lightning surge protectors are recommended. Please contact M-System.
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-1334 Rev.7
P. 4 / 4

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