Nivetec UNICONT PMM-500, User And Programming Manual, Page: 5 / 32

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3. TECHNICAL DATA
Type PMM-5-

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
Pt100 RTD: -199 ºC...+800 ºC
Thermocouple: J, T, K, L, N, B, R, S, C, Pt Rh
-240 ºC...+2320 ºC
Current: (DC) 4-20 mA, 0-20 mA
Sensor,
or analogue input
Voltage: (DC) 0-50 mV, 10-50 mV,
0-5 V, 1-5 V, 0-10 V, 2-10 V
Input resistance
Pt100 RTD: >10 MOhm,
Current input (20 mA): 5 Ohm
Voltage input (10 V): 47 kOhm
Input
Other data
Input Sampling rate: 4 / sec
Digital Input Filter time constant: 0.5...100 sec
Pt100 Sensor Current: 150 µA
Isolated from all outputs (except SSR driver)
Relay Max. 3 pcs., SPDT (Single pole double throw) 240 V AC, 2A, AC11
SSR Max. 2 pcs., SSR (Solid State Relay) driver, 0-10 V DC / 20 mA
Analogue DC
4-20 mA, 0-20 mA / 500 Ohm max.
0-5 V, 0-10 V, 2-10 V/500 Ohm min.
Short-circuit protected
Accuracy: ±0.25 %
Reinforced safety isolation from the input and other outputs
Transmitter power
supply 19-28 V DC not regulated, Nominal value: 24 V DC / 22mA,
Reinforced safety isolation from the input and other outputs
Out
puts
Serial communication RS485 MODBUS RTU, Address range: 1-255, Bit rate: 1200-19200 Baud
Features Operation
range Resolution
Proportional Bands (P) 0.5-999.9% 0.1 %
Derivative Time Constant (D) 0 - 100 min 1 sec
Integral Time Constant (I) 1 sec - 100 min 1 sec
Cycle Times 0.5 sec - 512 sec binary steps
ON/OFF Differential 0.1% - 10 % of input span 0.1 %
Controls:
ON / OFF
P, PD, PI, PID, Dual PID
AT
AUTO / MANUAL
Cooling / Heating
Deadband/Overlap -20 % ...+20 % of input span 0.1 %
Process Value (PV): 4 digit, red, height of characters: 10 mm 7-segment LED
display
Set Value (SV): 4 digit, green, height of characters: 8 mm
Indicati
on
LED
Operation modes:

Select mode, configuration
 Automatic Tune

Alarms
 Over-range indication

Under-range indication
Configuration With press buttons of the front panel from -1999 to +9999 range
Measurement accuracy ±0.1% of range ±1LSD, Thermocouple: ±0.1% of full range span ±1LSD
Linearization accuracy
Better than ±0.2°C any point, any 0.1°C range ( ±0.05°C typical). Better than ±0.5°C any point,
any 1 °C range
Temperature stability 0.01% of range/°C change in ambient temperature
Sensor break protection
Process Control outputs turn OFF within two seconds
In case of analogue input: applicable for 4 to 20mA, 1 to 5V and 2 to 10V ranges only
Cold junction compensation > ±1 ºC
Wire compensation 3-wire Pt100, automatic
100-240 V AC 50/60 Hz 7.5 VA
Power supply
20-48 V AC 50/60 HZ 7.5 VA; 22-65 V DC 5 W
Electrical connection Screw type terminals
Memory protection Data stored in EEPROM
Electrical protection Class II.
Ingress protection Front panel: IP66 Back panel: IP20
Ambient temperature 0 ºC…+55 ºC
Storage temperature -20 º…+80 ºC
Relative humidity Max. 85%
Dimensions 48 x 48 x 110 mm
Mass ~0.25 kg