Omron CQM1 Operation Manual page 286

IOTC(––)
Sample Program 2
Switch Settings
Operations
Word Allocations
25315
01600
(1) Changing the Set Point
01601 00115 00114
01601
The IOTC(––) instruction cannot be used with a CQM1H CPU Unit with a lot
number earlier than 0160.
The following switch settings are used.
Function DIP switch (SW1):
Pins 1 and 5 turned ON = PID heating control , C unit, 4-digit BCD
Input type DIP switch (SW2):
Pins 1 and 5 turned ON = Thermocouples, 0.0 and 500.0 C, loops 1
to 4
For loop 1: Power supply turned ON (STOP status, initialization), set point for
set to 100.0 C, control started (RUN), and then process value monitored.
The following words are allocated to the Temperature Control Unit or used in
programming.
Input word:
Output word:
Loop 1 process value:
Startup error check:
25506 (=)
00112
00113
25506 (=)
IR 001
IR 100
DM 0010
IR 01700
SET
For switching RUN only
01600
CMP (20)
Power ON and Unit initialization
#FFFF
checked.
001
Power ON and Unit initialization
@ASL (25)
completed.
016
Error Check
01700
(Leftmost 4 bits in IR001 will be "1110" (E)
if an error has occurred and IR 01701 will
be turned ON.
MOV (21)
I/O allocation command set.
#C071
Setting: Set point for loop 1
100 Monitor: Process value for loop 1
CMP (20)
Command reception checked.
#C071
(Always confirm reception be-
fore writing set value.)
001
ASL (25)
Command acknowledged.
016
Section 2-7
267