Omron CPM1 Programming Manual

332
Special Instructions Section 5-26
Bit 15 of D indicates whether or not bit address information is stored in
D+1. If there is, bit 14 of D indicates whether the input condition is normally
open or closed.
D+1 contains the bit address code of the input condition, as shown below.
The word addresses, bit numbers, and TC numbers are in binary.
Note a) *For the TC area, bit 09 of D+1 indicates whether the number is a
timer or counter. A 0 indicates a timer, and a 1 indicates a counter.
b) The status of the leftmost bit of the bit number (bit 03) is reversed.
Example: If D + 1 contains 1000 0110 0100 1000, IR 10000 would be indi-
cated as follows:
2. Bit address and message output (selected when bit 15 of C is ON).
Bit 15 of D indicates whether or not there is bit address information stored
in D+1 to D+3. If there is, bit 14 of D indicates whether the input condition
is normally open or closed. Refer to the following table.
Words D+5 to D+8 contain information in ASCII that are displayed on a Pe-
ripheral Device along with the bit address when FPD(––) is executed.
Words D+5 to D+8 contain the message preset by the user as shown in the
following table.
Note If 8 characters are not needed in the message, input “0D” after the
last character.
Determining Monitoring
Time
The procedure below can be used to automatically set the monitoring time, T,
under actual operating conditions when specifying a word operand for T. This
operation cannot be used if a constant is set for T.
1,2,3... 1. Switch the CQM1 to MONITOR Mode operation.
Data
Area
D+1 bit status
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
IR, SR 1 0 0 0 Word address Bit number
HR 1 0 0 1 1 Word address Bit number
LR 1 0 0 1 0 0 Word address Bit number
TC* 1 0 0 1 0 1 * Timer or counter number
Word Bits 15 to 08 Bits 07 to 00
D+1 20 = space First ASCII character
D+2 Second ASCII character Third ASCII character
D+3 Fourth ASCII character Fifth ASCII character
D+4 2D = “–” “0”=normally open, “1”=normally closed
D+5 First ASCII character Second ASCII character
D+6 Third ASCII character Fourth ASCII character
D+7 Fifth ASCII character Sixth ASCII character
D+8 Seventh ASCII character Eighth ASCII character
15 14 13 00D:
Not used.
Input condition
0 (OFF): Normally open
1 (ON): Normally closed
Bit address information
0 (OFF): Not recorded in D+1.
1
(
ON
)
: Recorded in D+1.
1000 0110 0100 1000
IR $64 = 100 Bit 00 (inverting status of bit 03)

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)