Data Access Via Rs-485 Interface; Data Access Using The Bms Protocol - Bender ISOMETER isoES425 Manual

Data access via RS-485 interface

5 Data access via RS-485 interface
5.1

Data access using the BMS protocol

The BMS protocol is an essential component of the Bender measuring device interface (BMS bus protocol).
Data transmission generally makes use of ASCII characters.
BMS channel no.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
26 isoES425_D00214_01_M_XXEN/10.2023
Operation value
R
F
R
F
C
e
U
n
U
n
Fault location [%]
U
L1e
U
L2e
Update counter
R
UGe
Alarm
Prewarning R1
Alarm R2
Undervoltage
Overvoltage
Connection fault, earth (E.01)
Connection fault, system (E.02)
All other device faults (E.xx)