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CH - Rev. 0

CH 102/ 104

Double display process controller for front panel

Front panel process controller with PID algorithm, autotuning, universal input, relay or logic or continuous or servovalve output control, Modbus RTU serial interface, multifunction digital input

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Technical Specifications

Nominal power supply
power supply 100÷240 Vca
power supply 21÷48 Vca/cc
Power consumption
7 W a 100 Vca
10 W a 240 Vca
4 W a 21 Vca / Vdc
5 W a 48 Vca / Vdc
Ambient operating conditions
Temperature: 0 ÷ 50 °C
Humidity: 45 ÷ 85% UR (without condensation)
Input
T/C tipo K
T/C tipo J
T/C type N
T/C type T
T/C type R
T/C type S
T/C type B
T/C type E
Pt100
Pt1000
0 ÷ 20 mA
4 ÷ 20 mA
0 ÷ 5 Volt
1 ÷ 5 Volt
0 ÷ 10 Volt
2 ÷ 10 Volt
Accuracy (*)
(*) @25°C
ingresso RTD: ±0,2% v.f.s
ingresso lineare (mA/Volt): ±0,2% v.f.s
ingresso Termocoppia: ±0,2°C (compensazione automatica del giunto freddo)
*accuratezza della misura a 25°C
Regulation output
4 different types of output can be selected when ordering:
SPDT relay (maximum load 5 A @ 250 Vca)
logic (15 Vdc max. 35 mA)
continuous output in Volts (0 / 2 ÷ 10 V) or in mA (0 / 4 ÷ 20mA) with selection by means of jumper on instrument's electronic board
servovalve control by means of 2 SPST relays (maximum load 3 A @ 250 Vca)
Power for two-wire transmitter
24Vdc max. 25mA
Digital input
Opto-isolated 2.5 kVolt
3 different operating modes can be programmed:
switching between two different Set Points
Automatic/Manual switching
keyboard lockout
Alarms
2 with SPST relay output (maximum load 3 A @ 250 Vca)
Serial interface
RS485 opto-isolated 2.5 kVolt
communications protocol: Modbus RTU
baud rate: 2.400, 4.800, 9.600, 19.200bps
access (reading / writing) to all regulator parameters
Type of display
4 digit a 7 segmenti (verde per PV e arancione per SV)
Other characteristics
manual or automatic control
Autotuning
Set Point ramp function
6 levels of access to programmable parameters
operational limitation of maximum / minimum Set Point
limitation of maximum power applicable to load
control mode: heating or cooling
International protection marking (*)
(*) According to IEC 60529
IP65
Front panel IP65
Installation category and degree of pollution
II
Dimensions
48 mm x 48 mm x 100 mm (model CH102)
48 mm x 96 mm x 100 mm (model CH402)
Panel cut-out
45 mm x 45 mm (CH102 model)
92 mm x 45 mm (model CH402)
Packaging
operator's manual in Italian
Volt input adapter
250Ω shunt resistance for input in mA
panel mounting strap
Programming software
ConfCH