General
Set up methodology
Introduction Functions supported by the TSX MDM 10 card can immediately process, without l l prior configuration, the most common operations as follows: communication between PLCs with a TSX MDM modem card, communication from PL7 software to a PLC with a TSX MDM 10 modem card.
TLX DS COM PL7 xxE
79
General
Setting up UNI-TELWAY communication between PLCs via the TSX MDM 10 card
Introduction The two stations are connected to the switched telephone network by TSX MDM 10 cards.
Switched telephone network Calling station Called station
Calling station The calling station is a PLC with a TSX MDM 10 card.
Step
1
2
3
Action
Declare the TSX MDM 10 card by default.
Default values: l l l l
Uni-telway protocol transmission speed of 9600 bits/s automatic switch to slave mode on addresses 1 and 2 no password management
Confirm configuration.
Program the CALL_MODEM communication function to call the remote station.
CALL_MODEM(ADR#0.1.SYS, 1, %MB100:20, 0, 0, %MW256:4)
Values: l l l l l address: ADR#0.1.SYS
command: 1 connection option: 0 slave mode: 0 report: %MWx:4
Called station The called station is a PLC with a TSX MDM 10 card.
Step
1
2
Action
Declare the TSX MDM 10 card by default.
Default values: l l l l
Uni-telway protocol transmission speed of 9600 bits/s automatic switch to master mode on addresses 1 and 2 no password management
Confirm configuration.
80
TLX DS COM PL7 xxE
