Interfaces 8–15
Option 70 — Serial Interface/ Protocol Selection
Two fundamental protocols, basic RS–232 and current loop are available for
transferring data across the interface. Three character–oriented protocols can
be used in combination with the fundamental protocols: XON/XOFF,
ACK/NAK, and ETX/ACK.
Option
Number Display Configuration
Description
.0 70.0 RS–232–Basic (default)
.1 70.1 RS–232 with XON/XOFF Protocol
.2 70.2 RS–232 with ETX/ACK Protocol
.3 70.3 RS–232 with ACK/NAK Protocol
.4 70.4 Current loop – busy open loop
.5 70.5
Current loop – busy closed loop
.6 70.6 Current loop with XON/XOFF Protocol
.7 70.7 Current loop with ETX/ACK Protocol
.8 70.8 Current loop with ACK/NAK Protocol