Table of Contents
Advertisement
3.7 WAT Settings and Procedures before operation
1.Reserve 7 (D) registers for the Command Block
2.Reserve 3 (D) registers for the WAT header +
Set telephone numbers in the
A2S Modem with command
AT&Z1 to 9 (see 3.5.5 1))
the remote PLC Type (see Examples 3-9 & 10).
Set the Message register for the order in which
Start
(see 3.5.3)
16 registers for the WAT data (see 3.6.2)
Set-up the A2S Modem using the
following commands:
AT%ADP=<PLC type>
AT%ADR=<command block Addr.>
AT%WATA to D
AT%ADO=1
Yes
Speed Dial
Programme the PLC to transfer the WAT
strategy, eg. Read or Write, No. words and
the WAT addresses are to be transmitted
(see Example 3-7)
Set the Telephone register
Set the "Dial Request" bit to start operation.
End
24
No
Set-up a Directory in the
PLC (5 registers per tele-
phone No. (see 3.5.5 2))
Advertisement
Table of Contents
