Omron CQM1 User Manual

257
Application Section 2-6
range and the input shift value was 0.05 °C, the setting would be changed
to 0.5
5. Heater burnout detection will not be performed if the alarm setting is 0.0 or
50 A. The heater burnout alarm output will turn OFF if the setting is
changed to 0.0 A and will turn ON if the setting is changed to 50 A.
6. The current manipulated variable will be monitored.
7. The initial manual manipulated variable will be set to maintain the output
level before Manual Mode was entered.
8. Always check the “Write Completed Flag” to be sure that the write to EE-
PROM has been completed when setting a parameter that is stored in EE-
PROM. A minimum of 60 ms is required to complete writing to EEPROM.
If a power interruption or other problem prevents confirming the write op-
eration, reset the value after power is restored or the problem corrected.
Status Data Units with Four Loops
Input
word
Loop
number
Control output Autotuning Sensor error
0: OFF
1: ON
0: Normal
1: Autotuning
0: Normal
1: Error
RUN/STOP status of specified loop
Manual/auto status of specified loop
0: Auto
1: Manual
0: RUN
1: STOP

Omron CQM1 Specifications

General

Model	CQM1
I/O Capacity	Up to 256 I/O points
Programming Language	Ladder Logic
Timer/Counter	128 timers/counters
Operating Temperature	0 to 55°C
Humidity	10 to 90% RH (non-condensing)
Power Supply	24 VDC or 100-240 VAC
Communication Ports	RS-232C
Memory Capacity	3.2K words
Instruction Set	Basic and advanced instructions
Memory	RAM (battery-backed)
Program Memory	3.2K words
Storage Temperature	-20 to 75°C