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CEMA CM20 SERIES

Feature

 

• Economical with stable quality

 

• Various I/O Types

 

• Sampling cycle 0.5sec can revise PV high spot and low point

 

• Maximum with 3 sets of alarm-more than 20 alarm modes available

 

• Remote SV/Transmission

 

• RS 485 Communication

 

• TTL Communication

 

• RS 232 deposit and withdrawal function

 

• Program 2 patterns 8 segments ( program events )

 

• Output 2 sets- 4~20mA transmission ( forward and reverse )

 

• Heating and Cooling Control

 

• SCR/ TRIAC Trigger

 

• Motor Valve Control

 

• Current monitoring alarm

 


 

Size

 

1. CM21-H96×W96

 

2. CM23-H72×W72

 

3. CM22-H96×W48

 

4. CM25-H48×H96

 

5. CM24-W48xH48

 


Input

 

1. TC ................................K,J,T,R,E,S,B,N,W,PLll,U,L


2. RTD .............................PT100,JPT100,JPT50

 

3. Linear ..........................0~1V,0~5V, 0~10V, 1~5V, 2~10V, 0~10mV, 0~20mV, 0~50mV, 10~50mV, 4~20mA, 0~20mA, 

 

4. Input Sampling Time......250 ms

 

5. Input Resolution............16bit/ea

 

Indication

 

1. PV/ SV Indication...........................4 digital, 7 segment display

 

2. Consrant Value System..................Non-volatile momory

 

3. Indication Accuracy........................0.5% FS

 

Control Mode

 

1. Proportional Band (P)......................0~200% (on/off action at P=0)

 

2. Integral Time (I)...............................0~3600 sec.(PD action at I=0)

 

3. Derivative Time (D)...........................0~900 sec. (PI action at D=0)

 

4. Cycle Time.....................................0~150 sec. (4~20mA → 0,SSR →1, Relay →10)

 

5. Dead Band Time.............................0~1000 sec. (Dead time compensation)

 

 

Output


1. Relay Output...................................Contact, SPDT, 3A/240VAC


2. Voltage Output................................Voltage Pulse, 20 VDC/20mA

 

3. Linear Output ..................................4~20mA,1~5V,0~5V,0~10V, 2~10V

 

4. Output Type....................................Output 1: Heat/Cool ; Output 2: Cool

 

 

Alarm

 

1. Channel .......................................3 Channels(AL1/AL2/AL3)

 

2. Mode............................................20 alarm Modes Available

 

3. Timer............................................Flicker Alarm, Continuous Alarm, on Delay Timer Alarm


Communication

 

1. RS232/RS485

 

General Specification

 

1Power supply…………...................90~260V, 24VAC 50/60Hz 


2. 
Power Consumption……................4VA


3. 
Ambient Temperature….. -25 oC ~ 65 oC

 

4. Ambient Humidity………50~85% RH (Non-condensing)

 

File
Name Size Time Download
CM20 CATALOG 10109KB 2010/2/24 PM 05:32:56 Download
CM20 user manual 9326KB 2010/3/10 AM 11:43:38 Download

 
 
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