Omron CJ - REFERENCE MANUAL 07-2009 User Manual

123
C-mode Command Details Section 4-3
Response Format
Note “SP” represents a space (20 Hex).
Parameters Program Address (Command)
Designates the program address in four digits decimal (BCD) for beginning
the search for the specified timer/counter.
Timer/Counter Type (Command)
Designate in ASCII characters the timer/counter instruction type for reading
the constant SV or the word address in which it is stored.
Timer/Counter Number (Command)
Designate in four digits (BCD) the timer/counter instruction number for read-
ing the constant SV or the word address in which it is stored. (Data register
designation is not possible.)
Constant/Area Classification (Response)
The constant or I/O memory area classification is returned, in ASCII, to this
parameter.
SV/Word Address (Response)
The constant SV or the word address in which it is stored is returned to this
parameter.
Limitations Timers T2048 to T4095 and counters C2048 to C4095 cannot be read.
The SV of the first timer/counter found after the designated program address
will be read.
If the SV is outside of range for the timer/counter type or number, an end code
of 16 (command not supported) will be returned.
Classification Constant/area classification SV or word
address
Charac-
ter 1
Charac-
ter 2
Charac-
ter 3
Charac-
ter 4
Constant C O N (SP) 0000 to 9999
CIO C I O (SP) 0000 to 6143
AR A R (SP) (SP) 0000 to 0959
HR H R (SP) (SP) 0000 to 0511
WR W R (SP) (SP) 0000 to 0511
Timer T I M (SP) 0000 to 2047
Counter C N T (SP) 0000 to 2047
DM D M (SP) (SP) 0000 to 9999
DM (indirect) D M
*
(SP) 0000 to 9999
EM current bank E M (SP) (SP) 0000 to 9999
EM (indirect) current
bank
EM
*
(SP) 0000 to 9999
EM banks 0 to C E M 0 to C (SP) 0000 to 9999
EM (indirect) banks 0 to
C
E M 0 to C
*
0000 to 9999
Data register D R (SP) (SP) 0000 to 0015
Index register (indirect) , I R (SP) 0000 to 0015
x 16
0
@R$
OP1 OP2 OP3
OP4
x 10
0
x 10
0
x 10
1
x 16
1
x 10
3
x 10
2
x 10
1
↵*
Unit No. (BCD)
Header
code
End code Constant/area
classification
SV/word address
TerminatorFCS

Omron CJ - REFERENCE MANUAL 07-2009 Specifications

General

Category	Computer Hardware
Manufacturer	Omron
Model	CJ
Document Type	REFERENCE MANUAL
Publication Date	07-2009

Summary

Manual Usage and Compliance

Warranty and Limitations of Liability

Outlines OMRON's product warranty terms and limitations of liability.

Precautions

Safety Precautions

Emphasizes critical safety measures for PLC use, including power handling and unit disassembly avoidance.

Operating Environment Precautions

Details precautions for PLC system operation in various environments to ensure reliability and prevent malfunction.

Application Precautions

Lists essential safety and operational precautions for PLC system applications, covering grounding and component handling.

Section 2: Overview of C-mode Commands

2-1 C-mode Commands

Explains C-mode (Host Link) commands as a serial communication system between PLC and host computer.

Section 3: Overview of FINS Commands

3-1 FINS Commands

Section 4: C-mode Commands

4-1 C-mode Command List

4-3 C-mode Command Details

Offers detailed descriptions of individual C-mode commands, including format, parameters, limitations, and execution conditions.