BSD-340-user-guide-eng, Doc. 1004474-2, 2020-09-18,
Autronica Fire and Security AS
Page 22
Note the symbol | in the Sw column. Different symbols may be used:
| = closed switch, X = open switch, ? = unit missing (ref saved topology)
6. External protocols
Depending on the top level system, the detail level of faults may vary.
Modbus will only present general faults on PowerLoop driver. Panel must be checked for details.