Technical Data
314
7SS52 V4 Manual
C53000-G1176-C182-3
9.2.3 Binary Inputs
Number
– Central unit 12
– Bay unit 20 [10]
1)
Voltage range DC 24 to 250 V (thresholds selectable
by plug-in jumpers)
Nominal control voltage DC 24; 60; 110; 220 V
Pick-up threshold 0.8 × U
N
Drop-off threshold 0.65 × U
N
Current consumption approx. 1.6 mA / input
Maximum input voltage
- Central Unit
BI 1 to BI 5 (Module D-CPU) DC 300 V
BI 6to BI 12 (Module EAZ)
nominal control voltages 24 V DC 200 V
nominal control voltages 60 V DC 220 V
nominal control voltages 110 V DC 260 V
nominal control voltages 220 V DC 300 V
- Bay unit
nominal control voltages 24 V DC 200 V
nominal control voltages 60 V DC 220 V
nominal control voltages 110 V DC 260 V
nominal control voltages 220 V DC 300 V
When delivered, the binary inputs of the nominal control voltage are preset to 220 V.
9.2.4 Alarm Contacts
Number of relays
Marshallable
– Central unit 16 (NO contacts)
– Bay unit 1 (1 NO contact)
Not marshallable
– Central unit 1 (2 NC contacts)
– Bay unit 1 (2 NC contacts) [1 NC contacts]
1)
Switching capacity MAKE/BREAK 20 W / VA
Switching voltage AC / DC 250 V
Permissible current continuously 1 A
1)
Values in brackets [ ] for Bay unit 7SS525
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