REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 59 / 80
9.2 Binary inputs and outputs
Each binary I/O board has the following number of inputs and outputs:
9.2.1 With mechanical relays (1 BIO version 3)
14 inputs (BI 1 to 14) For auxiliary voltage range:
20 to 90 V DC (threshold 14 V DC) or
for auxiliary voltage range:
80 to 250 V DC (threshold 50 V DC)
Each input has a fixed filter time of 1 ms.
Extension can be freely programmed.
5 power outputs (BO 1,2,3,4 and 5) respectively
6 (Relay contact of BO6 is link together with re-
lay contact of BO5)
Maximal Operation voltage 250V AC/DC
Make current 20 A
Load current 12 A
Breaking capacity 300 W at L/R = 15 ms
Operation time 9 ms
2 signal outputs (BO7 and 8) and 1 Watchdog
output (WD)
Operation voltage 250 V AC/DC
Load current 2 A
Operation time 5 ms
1 Static output (optionally BO7) Maximal Operation voltage 250 VDC
Operation time 1 ms
1 coil supervision circuit (BO2)
9.2.2 With static outputs (1 BIO version static)
14 inputs (BI 1-14) for auxiliary voltage range
48 to 265 VDC (Threshold 35 VDC)
Each input has a fixed filter time of 1 ms.
Extension can be freely programmed.
3 power outputs (BO1,2 and 7) Operation voltage 48 to 265 VDC
Make current 70 A for t ≤ 10 ms
Load current 12 A for t ≤ 30 s
Operation time 1 ms
4 power outputs (BO3 to 6) Operation voltage 48 to 265 V DC
Make current 16 A for t ≤ 10 ms
Load current 10 A for t ≤ 30 s
Operation time 1 ms
2 Signal outputs and 1 Watchdog output Operation voltage 48 to 265 V DC
Make current 0.3 A
Operation time 1 ms
2 coil supervision circuit (BO1 and 2)
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