Omron SYSMAC CV1000 User Manual

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Parameters Beginning word (command): Specify in BCD the address of first word to be
written in the Link Area as an offset from CIO 1000. The setting can be between
0000 and 0063.
Data (command): Specify the data to be written in hexadecimal.
Note The boundary of the data area must not be exceeded. For example, if you speci-
fy “0060” for the beginning word and try to write more than four words, an error
will result and no data will be written.
5-12 HOLDING AREA WRITE
Writes data to the specified number of Holding Area words (CIO 1200 to
CIO 1299), starting from the specified offset from the beginning of the area. This
command will be processed properly regardless of whether or not the Holding
Area is actually set for use as holding words.
Command Format
@ WH
Unit no. Beginning word FCS TerminatorHeader code Data for beginning word
Data
*s
x 10
0
x 10
1
x 10
3
x 10
2
x 10
1
x 10
0
x 10
3
x 10
2
x 10
1
x 10
0
Response Format
@ WH
Unit no. FCS TerminatorHeader
code
Response
code
*s
x 10
0
x 10
1
x 16
1
x 16
0
Parameters Beginning word (command): Specify in BCD the address of first word to be
written in the Link Area as an offset from CIO 1200. The setting can be between
0000 and 0099.
Data (command): Specify the data to be written in hexadecimal.
Note The boundary of the data area must not be exceeded. For example, if you speci-
fy “0098” for the beginning word and try to write more than two words, an error
will result and no data will be written.
5-13 PV WRITE
Writes PVs (present values) of timers/counters starting from the specified timer/
counter.
Note When data is written, the Completion Flags of the timers/counters will be turned
OFF.
Command Format
@ WC
Unit no. Beginning word FCS TerminatorHeader code Data for beginning word
Data
*s
x 10
0
x 10
1
x 10
3
x 10
2
x 10
1
x 10
0
x 16
3
x 16
2
x 16
1
x 16
0
Response Format
@ WC
Unit no. FCS TerminatorHeader
code
Response
code
*s
x 10
0
x 10
1
x 16
1
x 16
0
PV WRITE Section 5-13

Omron SYSMAC CV1000 Specifications

General

Manufacturer	Omron
Type	PLC
Memory Capacity	Not specified in detail
Communication Ports	RS-232C
Power Supply	24 VDC or 100-240 VAC (depending on model)
Operating Temperature	0°C to 55°C
Humidity	10% to 90% (non-condensing)
Vibration Resistance	10 to 57 Hz, 0.075 mm amplitude
Shock Resistance	10 G
Model	SYSMAC CV1000

Summary

SECTION 1 Introduction

1-3 Communications Specifications

SECTION 2 Switch Settings and Communications Parameters

2-1 CPU Settings and Parameters

2-2 Host Link Unit Settings and Parameters

Details on Host Link Unit components, switches, and setting procedures.

SECTION 3 Installation

3-3 Connection Cables for the Host Link Unit

3-4 RS-232C Connections

Specifications and connection methods for RS-232C connections.

3-5 RS-422 Connections

Specifications and connection methods for RS-422 connections.

3-9 Wiring

SECTION 4 Communications

4-1 Initial Communications Test

Steps for performing an initial test to verify system operability.

4-3 C-mode Commands

Details C-mode commands, protocol, blocks, and checksum calculation.

4-5 Communications Timing

Explains transmission timing in full-duplex and half-duplex communications.

SECTION 5 C-mode Commands

5-1 C-mode Command List

5-22 STATUS READ

5-24 ERROR READ

Reads and clears PC errors.

SECTION 6 Maintenance and Troubleshooting

6-1 Maintenance

Explains maintenance methods and procedures for the Host Link System.

6-2 Indicators

6-3 C-mode Response Codes

Appendix D Sample Programs Including Commands for Host Computer

Program Example 1: Data Transfer to Host Computer (SEND)