Omron CPM1 Programming Manual

463
Memory Areas Appendix C
SR 252
00 High-speed Counter 0 Reset Bit 48
01 CQM1-CPU43-EV1: High-speed Counter 1 Reset Bit
Turn ON to reset PV of high-speed counter 1 (port 1).
CQM1-CPU44-EV1: Absolute High-speed Counter 1 Origin Compensation Bit
Turn ON to set origin compensation for absolute high-speed counter 1 (port 1). Automat-
ically turns OFF when compensation value is set in DM 6611.
136
01 CQM1-CPU43-EV1: High-speed Counter 2 Reset Bit
Turn ON to reset PV of high-speed counter 2 (port 2).
CQM1-CPU44-EV1: Absolute High-speed Counter 2 Origin Compensation Bit
Turn ON to set origin compensation for absolute high-speed counter 2 (port 2). Automat-
ically turns OFF when compensation value is set in DM 6612.
136
03 to 07 Not used.
08 Peripheral Port Reset Bit
Turn ON to reset peripheral port. (Not valid when peripheral device is connected.) Auto-
matically turns OFF when reset is complete.
94
09 RS-232C Port Reset Bit
Turn ON to reset RS-232C port. Automatically turns OFF when reset is complete.
10 PC Setup Reset Bit
Turn ON to initialize PC Setup (DM 6600 through DM 6655). Automatically turns OFF
again when reset is complete. Only effective if the PC is in PROGRAM mode.
3
11 Forced Status Hold Bit
OFF: Bits that are forced set/reset are cleared when switching from PROGRAM mode to
MONITOR mode.
ON: The status of bits that are forced set/reset are maintained when switching from
PROGRAM mode to MONITOR mode.
17
12 I/O Hold Bit
OFF:IR and LR bits are reset when starting or stopping operation.
ON:IR and LR bit status is maintained when starting or stopping operation.
17
13 Not used.
14 Error Log Reset Bit
Turn ON to clear error log. Automatically turns OFF again when operation is complete.
441
15 Output OFF Bit
OFF: Normal output status.
ON: All outputs turned OFF.
465
SR 253
00 to 07 FAL Error Code
The error code (a 2-digit number) is stored here when an error occurs. The FAL number
is stored here when FAL(06) or FALS(07) is executed. This word is reset (to 00) by exe-
cuting a FAL 00 instruction or by clearing the error from a Peripheral Device.
209
08 Low Battery Flag
Turns ON when a CPU Unit battery voltage drops.
438
09 Cycle Time Overrun Flag
Turns ON when a cycle time overrun occurs (i.e., when the cycle time exceeds 100 ms).
438
10 to 12 Not used.
13 Always ON Flag ---
14 Always OFF Flag ---
15 First Cycle Flag
Turns ON for 1 cycle at the start of operation.
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Word 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)