PROGRAMMABLE TRANSDUCER
OF AC CURRENT
AND AC VOLTAGE SIGNALS AND FREQUENCY
P21Z type
user’s manual
Contents
1. application.........................................................................5
2. Transducer set....................................................................5
3. Basic Requirements and Operational Safety ..........................6
4. installation........................................................................7
4.1 Mounting......................................................................7
4.2 Diagrams of external connections........................................8
5. operation.......................................................................... 10
5.1 Transducer configuration with eCon software......................... 12
5.2 Register map (for version with RS-485)................................ 12
5.3 Manufacturer’s parameters ............................................. 16
6. technical data................................................................... 18
7. Ordering code................................................................... 21
1. APPLICATION
P21Z transducers are used for converting one parameter:
a.c. voltage, a.c. current or frequency into a standardized direct
current signal, direct voltage signal or digital signal available
through RS485 interface. The transducers are designed also
to work with voltage and current transformers.
P21Z transducer may be configured with PD14 programmer. This programmer and eCon software enable users
to program the following settings:
measurement averaging time,
converting characteristics
value of output signal when limit value are exceeded,
constraining output signal,
transmission parameters of RS485.
The transducer has galvanic isolation between the individual blocks of:
power
measurement input,
output and PD14 programmer.
2. Transducer set
The transducer set includes:
P21Z transducer user’s manual
guarantee card
cap for programmer socket -
1 pc
1 pc
1 pc
1 pc
3. Basic Requirements
and Operational Safety
The operational safety of the transducer is compliant
with the requirements of EN 61010-1 standard
The meaning
of the following symbol:
- Attention! Danger!
Observations Concerning the Operational Safety:
•
All operations concerning transport, installation, and commissioning as well as maintenance, must be carried out
by qualified, skilled personnel, and national regulations
for the prevention of accidents must be observed.
•
Before switching the transducer on, one must check
the correctness of connections to the network.
•
Before removing the transducer housing, one must switch
the supply off and disconnect measuring circuits.
•
The removal of the transducer housing during the guarantee contract period may cause its cancellation.
•
The P21Z transducer is destined to be installed and used
in industrial electromagnetic environment conditions.
•
One must remember that in the building installation,
a switch or a circuit-breaker should be installed.
This switch should be located near the device, easy
accessible by the operator, and suitably marked.
4. Installation
4.1 Mounting
P21Z transducers are designed for mounting
on a 35 mm according to PN-EN 60715. Dimensions and mounting method are presented in Fig. 1.
Connection of
PD14
programmer
Fig 1. Dimensions and mounting of the transducer.
4.2 Diagrams of external connections
The transmitter
transducer has a detachable
terminal strip with screw terminals that enable user to connect
external power supply and output cables with cross section
up to 2.5 mm2. Input signals shall be connected with wires
of a maximum diameter of 1.5 mm2 to fixed screw terminals.
Direct measurement
of voltage
I1
I1
I2
I1
I1
I2
I1
I2
I2
Direct measurement of
current
Indirect measurement with
voltage transformer
I1
I2
I1
I1
I2
I2
I2
Indirect measurement with
current transformer
I1
I2 I1
I2
Direct measurement
of frequency
I1
I2 I1
I2
Indirect measurement
of frequency with voltage
transformer
Fig. 2. Electric connections of P21Z inputs.
a) analog
output
supply analog
output
b) interface
RS-485
supply
Fig. 3. Electric connections of P21Z power supply
and output.
5. Operation
After the transducer is switched on, its Status LED
should illuminate in red (transducer initialization), then it should
turn green (normal operation).
Status LED of the transducer:
•
when illuminated in green – normal
operation;
•
when illuminated in red – incorrect
operational parameters; re-configure
the transducer;
•
when flashes in red – no calibration
or damaged non-volatile memory;
transduce should be returned to the
manufacturer;
LEDs installed only in version with RS485
interface:
RxD LED is on – data receipt;
•
TxD LED is on – data transmission.
•
Fig. 4. P21Z transducer view.
Data entry into the register is confirmed by a short illumination of the Status LED in red.
Before the required number of correct measurements
(according to Table 1) is achieved, the device displays arithmetic mean from the completed measurements. Subsequent measurements are added applying the walking window principle,
i.e. the “oldest” measurement is deleted and replaced
by the most recent one. When values outside the measuring range are measured, the device indicates it and correct measurements are counted from the beginning. Default time is set to 1s.
10
Table 1
Averaging
time
Number
of averaged
measurements
Refreshing processed value
(time of one
measurement)
0.5 s
1
every 0.5 s
1s
2
every 0.5 s
3s
6
every 0.5 s
5s
10
every 0.5 s
10 s
20
every 0.5 s
15 s
30
every 0.5 s
30 s
60
every 0.5 s
1 min
100
every 0.6 s
2 min
100
every 1.21 s
5 min
100
every 3 s
7 min
100
every 4.2 s
12 min
100
every 6 s
15 min
100
every 9.1 s
The transducer may be programmed with analog
output values (values of the output register in RS-485 design)
at exceeded input measurement range. The following parameters are adjustable: expected output value when lower
limit is exceeded (Out-d) for values below the lower limit (In-d)
and expected output value when upper limit is exceeded (Out-u)
for values above the upper limit (In-u) – the values are presented in Table 3.
11
5.1 Transducer configuration with eCon software
Configuration of P21Z transducers is performed with
eCon software available free of charge at www.lumel.com.pl.
Detailed description of parameter configuration is presented
in the Manual for Transducer configuration with eCon software.
Transducers with RS-485 interface may be configured directly
via the interface. When configuring the transducer via PD14
programmer, disconnect RS-485 interface.
5.2 Register map (for version with RS-485)
Register
address
Operations
Table 2
Range
4000
RW
0..12
Averaging time: 0 – 0.5 s; 1 – 1 s;
2- 3 s; 3 – 5 s; 4 – 10 s; 5 - 15 s; 6 - 30 s;
7 - 1 min; 8 – 2 min s; 9 - 5 min;
10 – 7 min; 11 – 12 min; 12 – 15 min;
4001
RW
0..2
Continuous output: 0 - normal work,
1 – value from register7602,
2- value from register 7603
4002
RW
0..3
Continuous output – Operation with
exceeded limit values and type of measured signal:
0 – inactivated, 1 – activated,
4003
RW
1..247
4004
RW
0..3
12
Decription
Address in MODBUS network
Transmission mode: 0->8n2, 1->8e1,2>8o1, 3->8n1
4005
RW
0..2
Transmission mode: 0->4800, 1->9600,
2->19200
4006
RW
0, 1
Change MODBUS transmission parameters: 1 - change
4007
R
0...65535
4008
R
0
reserved
4009
R
0..65535
reserved
4010
R
0..65535
reserved
4011
R
0..65535
Software version
Status
Reserved
Reserved
X
X
X
X
X
X
X
X
14
13
12
11
10
9
8
7
Transducer
output code
Reserved
X
bity 15
Transducer
input code
Reserved
Reserved
Averaging state
Range overflow
Non-calibrated
transducer
Error of transducer
parameter values
Status register description
XXXX
6
5
4
XXX
3
2
1
MSB
0
LSB
Bit-15 Uncalibrated transducer
0 – transducer measuring input calibrated
1 – signal of uncalibrated transducer input
Bit-14 Error of transducer parameter values
0 – transducer parameters correct
1 – signaling of an incorrect transducer parameter readout
Bit – 13 Signaling of an range overflow
0 – normal work
1 – range overflow
13
Bit-12 Averaging
0 – full measurement averaging time expired
1 – full measurement averaging time not expired
Bits- 11 – 7 Reserved
Bits - 6 - 3 Measuring input
Bit 6
Bit 5
0
0
Bit 4 Bit 3 Meaning
0
0
reserved
0
0
0
1
100 V a.c.
0
0
1
0
250 V a.c.
0
0
1
1
400 V a.c.
0
1
0
0
1 A a.c.
0
1
0
1
5 A a.c.
0
1
1
0
20...500 Hz
Bity-2 - 0 Output
Bit 2 Bit 1
Bit 0 Meaning
0
0
0
reserved
0
0
1
current output 0(4)…20 mA
0
1
0
current output 0(4)…20 mA
0
1
1
voltage output 0…10 V
1
0
0
RS-485
14
Register
address
2x16
bit
Register
address
32 bit
Operations
Table 3
7200
7600
RW
Continuous output – lower input value (x1)
7202
7601
RW
Continuous output – upper input value (x2)
7204
7602
RW
Continuous output – lower output value (y1)
7206
7603
RW
Continuous output – upper output value (y2)
7208
7604
RW
Input lower overflow In-d
7210
7605
RW
Input upper overflow In-u
7212
7606
RW
Expected value on the output Out-d at lower
overflow In-d
7214
7607
RW
Expected value on the output Out-u at upper
overflow In-u
Description
7216
7608
R
Value measured, taking into account registers 7604 and 7605
reg. 7608 = reg. 7604 if reg. 7609 register
7604
reg. 7608 = rej. 7605 if reg. 7609 register7605
7218
7609
R
Measured value
7220
7610
R
Output value
15
5.3 Manufacturer’s parameters
Table 4
Parameter description
Range / Value
Default value *
Averaging time****
0.5 s; 1 s; 3 s; 5 s;
10 s; 15 s; 30 s; 1 min;
2 min s; 5 min; 7 min;
12 min; 15 min;
1s
Continuous output:
operation mode
normal work, minimum
output, maximum
output
normal work
-999999…999999
x1 = 0 or –Un or –In;
x2 = Un or In,
y1 = 0 or –Un
lub –In or 4;
y2 = 10 or 20
inactivated, activated
inactivated measurement **
Lower input overflow
-999999…999999
0
Upper input overflow
-999999…999999
Un or In **
Expected value on the
output at lower overflow
-999999…999999
0, 4 **,1e+20***
Expected value on the
output at upper overflow
-999999…999999
11 V or 24 mA
or 1e+20***
1…247
1
Continuous output:
transition characteristic:
(x1, y1) (x2, y2)
Continuous output:
overflow service
Address in MODBUS
network ***
Transmission mode ***
8n2, 8e1, 8o1, 8n1,
8n2
Baud rate ***
4800, 9600, 19200
9600
16
* - depending on design
**- For 4..20 mA version, overflow service is activated,
minimum output value is set at 4 mA, input values: minimu
and maximum are calculated according to transition data.
*** - only for version with RS-485 output
****- for transducers with the input for frequency measurement,
the measurement time is always 1s, regardless the values
in registers 7200 and 7600.
17
6. technical data
Measuring ranges
inputs:
Measuring range for AC voltage (Un):
0..1..100…130 V a.c.
0..2.5..250…325 V a.c.
input resistance > 2 M
0..4..400…600 V a.c.
}
Measuring range for AC current (In):
0..0.01..1.0…1.3 A a.c.
input resistance 10 m 10 %
0..0.05..5.0…6.3 A a.c.
input resistance 2 m 10 %
Frequency measurement 20...500 Hz:
(in range of 24...480 V) ) input resistance > 2 M
Analog output current 0(4)…20…24 mA
load resistance 250
voltage 0…10…11 V
load resistance 500
resolution 0.01 % of range
output response time: 200 ms
Serial interface RS485: address 1..247
mode: 8N2, 8E1, 8O1,8N1
baud rate: 4.8, 9.6, 19.2 kbit/s
transmission protocol: Modbus RTU
response time: 200 ms
18
Basic conversion error (by default settings):
voltage and current:
0.2% of range in the
frequency range 45...65 Hz
frequency:
0.02 % of range
Additional errors in rated operating conditions:
from ambient temperature changes (100 % of basic error/10 K)
Sustained overload:
150 % Un (in. 400V a.c.),
120 % Un (other inputs),
120 % In
Short duration overload (1 s):
voltage
input
2
(<1000 V)
current input: 10 In
Admissible peak factor:
current: 2
voltage: 2
Un
Rated operating conditions:
supply voltage 85..253 V a.c. 40..400 Hz; 90..300 V d.c.
20..40 V a.c. 40..400 Hz; 20..60 V d.c.
ambient temperature
- 20...23...60 C
storage temperature -25...+85 C
humidity
< 95 % (inadmissible condensation)
work position
any
Averaging time – measurement (programmable):
Pre-heating time:
0.5 s
15 minutes
19
Galvanic isolation between:
- supply – meas.input:
- supply – output: - measuring input – output:
3.2 kV d.c.
2 kV d.c.
3.2 kV d.c.
Ensured protection grade acc. to EN 60529:
-
for the housing
IP40
-
from the terminal side
IP20
Dimensions:
22.5 x 100 x 120 mm
Weight: 0.125 kg
Fixing: 35 mm rail acc. to EN 60715
Input power:
< 3 VA
Electromagnetic Compatibility:
noise immunity acc. to EN 61000-6-2
noise emissions acc. to EN 61000-6-4
Safety requirements acc. to EN 61010 -1 standard:
– isolation between circuits: basic
– installation category III (for version 400 V – cat. II)
– pollution level 2
– maximal phase-to-earth working voltage:
- for power supply circuit 300 V
- for measuring input 600 V – cat. II (300 V – cat. III)
- for programming input 50 V
- for output 50 V
– altitude above sea level < 2000 m.
20
7.ordering code
PRogrammable transducer of
AC CURrent and ac voltage
P21Z - X
Input signal:
100 V a.c.
1
250 V a.c.
2
400 V a.c.
3
1 A a.c.
4
5 A a.c.
5
frequency 20...500 Hz
6
Output:
0...20 mA
4...20 mA
0...10 V
RS-485
Supply voltage:
85..253 V a.c. 40..400 Hz; 90..300 V d.c.
20..40 V a.c. 40..400 Hz; 20..60 V d.c.
Version:
standard
non-standard setti ngs
custom-made*
Language:
Polish
English
other*
Acceptance tests:
without extra quality inspecti on requiremnts
with an extra quality inspecti on certificate
acc. to customer’s request*
* - after agreeing with the manufacturer
Table 5
X X XX X X
1
2
3
4
1
2
00
NS
XX
P
E
X
0
1
X
21
Order example:
The code P21Z - 1 1 1 00 E 0 means:
P21Z - transducer of d.c. current or d.c. voltage signals
1 - input signal: 1...100 V a.c.
1 - output signal: 0...20 mA
1 - supply voltage: 85..253 V a.c. 40..400 Hz; 90..300 V d.c.
00 - standard version
E - English language
0 - without extra quality inspecti on requirements
22
23
LUMEL S.A.
ul. Słubicka 1, 65-127 Zielona Góra, Poland
Export Department:
Tel.: (48-68) 45 75 302
Fax: (48-68) 32 54 091
e-mail: [email protected]
24
P21Z-09
Tel.: (48-68) 45 75 100
Fax: (48-68) 45 75 508
e-mail:[email protected]
http://www.lumel.com.pl
">
