Remote Programming And Monitoring - Omron CJ - PROGRAMMING MANUAL 08-2008 Programming Manual

Startup Settings and Maintenance
6-6-9

Remote Programming and Monitoring

1,2,3...
RS-232C
RS-232C
Host Link
Note This function prevents writing/control operations only for FINS commands. It
does not affect writing and control operations performed by any other method,
such as for data links.
For details, refer to 1-4-3 Write-protection from FINS Commands Sent to CPU
Units via Networks in the CS Series PLC Operation Manual or the CJ Series
PLC Operation Manual.
CS/CJ-series PLCs can be programmed and monitored remotely through a
modem or Controller Link network.
1. Modem Connections
The host link function can operate through a modem, which allows moni-
toring of a distant PLC's operation, data transfers, or even online editing of
a distant PLC's program by phone. All of the Programming Device's online
operations are supported in these connections.
Programming
Device
Telephone
connection
Modem
2. Controller Link Network Connections
PLCs in a Controller Link or Ethernet network can be programmed and
monitored through the Host Link. All of the Programming Device's online
operations are supported in these connections.
Programming
Device
Controller Link Unit
CPU Unit
(Functions as a
gateway.)
Host Link
Modem
RS-232C
Controller Link Unit
CPU Unit
Section 6-6
CPU Unit
331