ABB Relion REB500 Product Manual page 47

ABB
Distributed busbar protection REB500
Product version: 8.2
Order code Switches/ Transceivers
Switch AFS677:
System
up to 10 BU 1
up to 24 BU 2
up to 38 BU 3
up to 52 BU 4
up to 60 BU 5
Switch data
24/36/48V DC no redundant power supply module
24/36/48V DC redundant power supply module
110/250 V DC / 110/230 V AC no redundant
power supply module
110/250 V DC / 110/230 V AC redundant
power supply module
Remark: All switches of the system shall be from the same type (same order number)
Technical details of the switch are listed in the respective manual 1KHD641605
Example for a system with 22 Bay Units:
Switch AFS677: 2 x 1MRK010500- CA
System
up to 24 BU 2
Switch data
110/250 V DC / 110/230 V AC no redundant
power supply module
For details about REB500 process bus/ switch configuration see section 8.
x 1MRK010500- Transceiver
n BU's
n BU's
n BU's
n BU's
n BU's
AA
BA
CA
DA
Transceiver 28 x 1MRK010501- AA
n BU's
CA
1MRK 505 352-BEN
x 1MRK010501- AA
+2 =
+6 =
+8 =
+10 =
+12 =
22 +6 = 28
Issued: 2016-03-01
Revision: -
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