Siemens UL 1066 Operating Instructions Manual page 148

Control Bits and Extra Flags
Control Bits and Extra Flags make it possible for the MODBUS master to control various WL functions.
The Control Bits and Extra Flags are accessed using the following functions:
- 01 Read Coils
- 05 Write Single Coil
- 15 Write Multiple Coils
Bit number
Control Bits
0, 1
2
3
4
5
6
7
Extra Flags 8, 9
10
11
12
13
14
15
9 – 68
WL
Breaker open / close
00 = no action
01 = open circuit breaker
10 = close circuit breaker
11 = no action
clear reason for trip
Not used
User output
0 = User output Off
1 = User output On
Not used
Not used
Not used
not used
Clear log book
Clear all min/max values
Clear temperature
min/max values
Not used
Clear maintainance counters
Synchronize system clock at a rising edge
Sets the time to xx:30:00:00