Technical Documentation
BLR-CM Modbus
Rev. 05
2018-09
19
Output
Bit 15
Bit 0
Bit 0
Over- or undervoltage
1 = Active
0 = Inactive
Bit 1
Overcurrent
1 = Active
0 = Inactive
Bit 2
No current
1 = Active
0 = Inactive
Bit 3
Temperature 1 too high
1 = Active
0 = Inactive
Bit 4
Temperature 2 too high
1 = Active
0 = Inactive
Bit 5
Alarm voltage harmonics
1 = Active
0 = Inactive
Bit 6
Alarm current harmonics
1 = Active
0 = Inactive
Bit 7
Warning decreased stage capacity
1 = Active
0 = Inactive
Bit 8
Alarm defective stage
1 = Active
0 = Inactive
Bit 9
Alarm signal via digital input
1 = Active
0 = Inactive
Bit 10
System error
1 = Active
0 = Inactive
Bit 11
Absolute active power too high
1 = Active
0 = Inactive
Bit 12
Absolute reactive power too high
1 = Active
0 = Inactive
Bit 13
Export active energy
1 = Active
0 = Inactive
Bit 14
Under- or overcompensation
1 = Active
0 = Inactive
Bit 15
Alarm cosφ is not reached
1 = Active
0 = Inactive
The assignment of the alarm reactions can be seen in the bit mask below. If the referring bit = 1, the output or the
message is active.
Address
Value
Words
Type
Unit
1537
Status messages
1
UINT16
-
Output
Bit 15
Bit 0
Bit 0
Alarm relais
1 = Active
0 = Inactive
Bit 1
Digital output
1 = Active
0 = Inactive
Bit 2
Show display message
1 = Active
0 = Inactive
Bit 3
Target cosφ 2
1 = Active
0 = Inactive
Bit 4
Controller stopped, stages off
1 = Active
0 = Inactive
Bit 5
Freeze stages
1 = Active
0 = Inactive
Bit 6 - 15
Reserved
X
X
All settings send by Modbus are considered immediately, but are stored in the working memory only. In
case of a power blackout, these settings will be lost. To store settings durable, they must be written into
the non-volatile memory.
!
