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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