Omron CQM1 User Manual

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Switch Settings Section 2-2
2-2 Switch Settings
There is a terminator setting switch and DIP switch under the terminal board.
To disconnect the terminal board, refer to the CQM1H Operation Manual
(W363) or the CQM1 Operation Manual (W226). Use a small flat-blade screw-
driver for setting the terminator setting switch and DIP switch.
Terminator Setting Switch The terminator setting switch of the CQM1-LK501 I/O Link Unit mounted to
the CQM1H/CQM1 located at the end of the SYSMAC BUS system must be
set to ON.
Output Hold Setting Pin If this pin is set to OFF, when an error has occurred, the CQM1H/CQM1’s out-
put word (i.e., the Master’s write word) will hold the value just before the error
has occurred. If this pin is set to ON, the value will be cleared.
Word Setting
Master
CQM1H/CQM1 (1)
Other Slave
SYSMAC BUS system
CQM1H/CQM1 (2)
Set the terminator setting
switch of the CQM1-LK501 I/O
Link Unit mounted to this
CQM1H/CQM1 to ON.
Terminator setting switch
DIP switch (with output hold setting pin)
→
DIP switch
Output hold setting pin:
Word setting pins
(see table below)
Switch Setting
3 (x 2
4
)
00001111
2 (x 2
3
)
00110011
1 (x 2
2
)
01010101
Word allocation
of Master
Output Words
+0, 1
Words
+4, 5
Words
+8, 9
Words
+12, 13
Words
+16, 17
Words
+20, 21
Words
+24, 25
Words
+28, 29
Input Words
+2, 3
Words
+6, 7
Words
+10, 11
Words
+14, 15
Words
+18, 19
Words
+22, 23
Words
+26, 27
Words
+30, 31

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