Omron CPM1 Programming Manual

367
Host Link Commands Section 6-3
Parameters Read Data (Response)
The contents of the number of words specified by the command are returned
in hexadecimal as a response. The words are returned in order, starting with
the specified beginning word.
6-3-3 HR AREA READ –– RH
Reads the contents of the specified number of HR words, starting from the
specified word.
Command Format
Note 1. Beginning word: 0000 to 0099 in CQM1 PCs, 0000 to 0019 in CPM1/
CPM1A/SRM1 PCs
2. No. of words: 0001 to 0100 in CQM1 PCs, 0001 to 0020 in CPM1/CPM1A/
SRM1 PCs
Response Format An end code of 00 indicates normal completion.
Parameters Read Data (Response)
The contents of the number of words specified by the command are returned
in hexadecimal as a response. The words are returned in order, starting with
the specified beginning word.
6-3-4 PV READ –– RC
Reads the contents of the specified number of timer/counter PVs (present val-
ues), starting from the specified timer/counter.
Command Format
Note 1. Beginning T/C:0000 to 0511 in CQM1 PCs, 0000 to 0127 in CPM1/
CPM1A/SRM1 PCs
2. No. of T/Cs:0001 to 0512 in CQM1 PCs, 0001 to 0128 in CPM1/CPM1A/
SRM1 PCs
Response Format An end code of 00 indicates normal completion.
The response will be divided when reading more than 30 words of data.
@
FCS
RHx 10
1
x 10
0
x 10
3
x 10
2
↵
x 10
1
x 10
0
x 10
3
x 10
2
x 10
1
x 10
0
Node no. Header
code
Beginning word
1
No. of words
2
Terminator
@ RHx 10
1
x 10
0
x 16
1
x 16
0
↵
x 16
3
x 16
2
x 16
1
x 16
0
FCSRead data (1 word)Header
code
Node no. End code Terminator
Read data (for number of words read)
@
FCS
RCx 10
1
x 10
0
x 10
3
x 10
2
↵
x 10
1
x 10
0
x 10
3
x 10
2
x 10
1
x 10
0
No. of timers/counters
2
Beginning timer/counter
1
Header
code
Node no. Terminator
@
FCS
RCx 10
1
x 10
0
x 16
1
x 16
0
↵
x 10
3
x 10
2
x 10
1
x 10
0
Terminator
Read data (1 word)
Read data (for number of words read)
End codeHeader
code
Node no.

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)