Instruction Manual

22 BM 102
2.3 Electrical output
2.3.1 Network options
The output is available in 2 versions:
1. Current output HART
®
, passive, HART
®
protocol
2. Current output Ex-ia HART
®
intrinsically safe; passive, HART
®
protocol
All versions with HART
®
protocol can be operated with the PC-STAR 2 program.
2.3.2 HART
®
communication protocol
In accordance with the Rosemount Standard, HART
®
communication can be used with a BM 102.
It is used as a point-to-point connection between the BM 102 as slave and the HART
®
master.
Additional information
The following can be called up via the following interfaces:
• Current output: 22 mA for error signal.
• Digital HART
®
interfaces: scanning of error flags and error messages.