Technical Data - ABB REJ 527 Technical Reference Manual

REJ 527
4.2.3.
52
Technical Reference Manual
The optical PC-connection on the relay front panel is used to connect the relay to a
fibre-optic SPA bus via an opto-cable 1MKC950001-1.
Table 37: SPA logic/ RS-485 connection for RER 103
Terminal
X.2.2-1
X.2.2-2
X.2.2-3
X.2.2-4
X.2.2-5
X.2.2-6
X.2.2-7
X.2.2-8
X.2.2-9

Technical data

Table 38: Dimensions
• Width 111.4 mm
• Height, frame 265.9 mm (6U), box 255.8 mm
• Depth 235 mm (245.1 mm with a protective rear cover, available as an option)
• Enclosure size 1/4 (x 19")
• Weight of the relay ~3.0 kg
Function
Data A (data signal +)
Data B (data signal -)
RTS A (request to send +)
RTS B (request to send -)
COL A (2.8 V on relay)
COL B (2.2 V on relay)
GND
NC
+5 Vdc, supply voltage
(max. 200 mA)
ABB Substation Automation
Products and Systems
1MRS750616-MUM