Omron CPM1 Programming Manual

6
PC Setup Section 1-1
DM 6636 00 to 07 First input refresh word for interval timer 0: 00 to 07 (BCD) 45, 50
08 to 15 Number of input refresh words for interval timer 0: 00 to 08 (BCD)
DM 6637 00 to 07 First input refresh word for interval timer 1: 00 to 07 (BCD)
08 to 15 Number of input refresh words for interval timer 1: 00 to 08 (BCD)
DM 6638 00 to 07 First input refresh word for interval timer 2 (also used for high-speed counter 0): 00 to
07 (BCD)
08 to 15 Number of input refresh words for interval timer 2: 00 to 08 (BCD)
(also used for high-speed counter 0)
DM 6639 00 to 07 Output refresh method
00: Cyclic; 01: Direct
21, 393
08 to 15 Number of digits for DIGITAL SWITCH (DSW(87)) instruction
00: 4 digits; 01: 8 digits
21, 124
High-speed Counter Settings (DM 6640 to DM 6644)
The following settings are effective after transfer to the PC the next time operation is started.
DM 6640,
DM 6641
00 to 15 Not used.
DM 6642 00 to 03 High-speed counter 0 mode
0: Up/down counter mode; 4: Incrementing counter mode
50
04 to 07 High-speed counter 0 reset mode
0: Z phase and software reset; 1: Software reset only
08 to 15 High-speed counter 0 enable
00: Don’t use high-speed counter; 01: Use high-speed counter with settings in 00 to 07
DM 6643 00 to 03 CQM1-CPU43-EV1: Port 1 input setting
0: Differential phase input; 1: Pulse/Direction input; 2: Up/Down input
CQM1-CPU44-EV1: Port 1 input setting
0: 8-bit input; 1: 10-bit input; 2: 12-bit input
55, 62
04 to 07 CQM1-CPU43-EV1: Port 1 reset setting
0: Z phase and software reset; 1: Software reset only
CQM1-CPU44-EV1: Not used. Set to 0.
57
08 to 11 CQM1-CPU43-EV1: Port 1 counting mode setting
0: Linear mode; 1: Ring mode
CQM1-CPU44-EV1: Port 1 mode setting
0: BCD mode; 1: 360° mode
56, 62
12 to 15 CQM1-CPU43-EV1: Port 1 pulse type setting
0: Standard pulse output (0.5 duty ratio); 1: Variable-duty-ratio pulse output
CQM1-CPU44-EV1: Not used. Set to 0.
25, 32
DM 6644 00 to 15 Port 2 settings (Identical to the port 1 settings in DM 6643.)
Word(s) Bit(s) Function Page

Omron CPM1 Specifications

General

Model	CPM1
Manufacturer	Omron
Instruction Set	Basic and advanced instructions
Power Supply	100 to 240 VAC or 24 VDC
Communication	RS-232C
I/O Points	10, 20, 30, or 40 points depending on the model
Timers	Yes, multiple timers available
Counters	Yes, multiple counters available
Input Voltage	24V DC
Output Type	Relay or transistor
Number of I/O Points	10, 20, 30, 40
Communication Ports	RS-232C (optional)
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C
Humidity	10% to 90% (non-condensing)
Dimensions	Varies depending on the model
Weight	Varies depending on the model
Program Memory	2048 steps (2K steps)