Section 2
1MRK 511 371-UEN
Interbay bus functions
10
Communication Protocol Manual, IEC 60870-5-103
Distributed busbar protection REB500
Table 4
SCS Differential Current Parameters
Item
Description
Min. Max.
Default Step Unit
Update period
Determines how often the differential current
measurement has to be updated.
0
1000
60
100 s
Enabled
Enables polling of the bus zone differential
currents.
yes no
Yes
Delta L1_L2_L3
Applies to all bus zones. Delta per bus zone for
phases L1, L2 and L3.
0
65535 10
1
A
Dead band
L1_L2_L3
Dead band per bus zone for phases L1, L2 and
L3.
0
65535 5
1
A
Delta L0
Delta per bus zone for the neutral current L0.
0
65535 10
1
A
Dead band L0
Dead Band per bus zone for the neutral current
L0
0
65535 5
1
A
‘Delta’ and ‘Dead band’ settings that are too low
result in a high
data load on the bus. For this reason, care should be taken to set
reasonable values.
