Omron CS1W-SLK11-21 - 06-2004, Manual

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14
Message Service Procedure Section 1-6
1-6 Message Service Procedure
The following steps outline the basic procedure for using the message ser-
vice.
1,2,3... 1. Install and wire the Units.
2. Prepare for communications.
3. Turn ON the power to the PLC.
4. Create the I/O tables.
5. Register routing tables if using internetwork connections.
6. Create the user program.
Contents Remarks Page
a. Mount the Units to the PLCs. --- 18
b. Wire the Network. --- 19
c. Connect terminating resistance Coaxial systems only.
Contents Remarks Page
a. Set the unit number. CS-series, CVM1, and CV-series
PLCs only 18
b. Set the node address. ---
Contents Remarks Page
Turn ON the power to the PLC. --- ---
Contents Remarks Page
Create the I/O tables. CS-series, CVM1, and CV-series
PLCs only ---
Contents Remarks Page
a. Set the local network table --- 86
b. Set the relay network table ---
Contents Remarks Page
a. Prepare the send and receive
data in memory.
Stored in the memory areas of the
source node 92
b. Prepare the control data for the
communications instruction.
c. Check the conditions for exe-
cuting the SEND/RECV or
CMND instruction.
The standard input conditions are
the Active Node Flags for the
source and destination nodes, and
the Port Enabled Flag.
d. Execute the SEND/RECV or
CMND instruction.
---
e. Execute other instructions are
required for the results of the
communications instruction,
(e.g., retry or error processing
if an error occurs).
The standard input condition is the
Port Error Flags.
CS-series PLCs have 8 communi-
cations ports. When 9 or more
communications instructions are
executed at the same time, exclu-
sive control is necessary.