Digital Inputs; Trip Contacts - Allen-Bradley Rockwell Automation 857 User Manual

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10-2
Technical Data
857-UM001A-EN-P – July 2009
Table 10.3 – Digital Inputs
Internal Operating Voltage
Number of inputs
Internal operating voltage
Current drain when active (max.)
Current drain, average value
Terminal block:
- Phoenix MVSTBW or equivalent
External Operating Voltage
Number of inputs
External operating voltage
Current drain
Terminal block:
- Phoenix MVSTBW or equivalent
Table 10.4 – Trip Contacts
Number of contacts
Rated voltage
Continuous carry
Make and carry, 0.5 s
Make and carry, 3s
Breaking capacity, DC (L/R=40ms)
at 48 V dc:
at 110 V dc:
at 220 V dc
Contact material
Terminal block:
- Phoenix MVSTBW or equivalent
Table 10.5 – Alarm Contacts
Number of contacts
Rated voltage
Max. make current, 4s at duty cycle 10%
Continuous carry
Breaking capacity, AC
Breaking capacity, DC (L/R=40ms)
at 48 V dc:
at 110 V dc:
at 220 V dc
Contact material
Terminal Block:
- Phoenix MVSTBW or equivalent
6
48 V dc
Approx. 20 mA
< 1 mA
Max. wire dimension:
2.5 mm
2
(13-14 AWG)
12/24/16 (depends on the ordering code)
18 V ... 265 V dc
Approx. 2 mA
Max. wire dimension:
2.5 mm
(13-14 AWG)
2
4/8/14 (depends on the ordering code)
250 V ac/dc
5 A
30 A
15 A
5 A
3 A
1 A
AgNi 90/10
Maximum wire dimension:
2.5 mm
2
(13-14 AWG)
3 change-over contacts (relays A1, A2 and A3)
2 making contacts (relays A4 and A5)
1 change-over contact (IF relay)
250 V ac/dc
15 A
5 A
2 000 VA
1,3 A
0,4 A
0,2 A
AgNi 0.15 gold plated
AgNi 90/10
Max. wire dimension:
2.5 mm
2
(13-14 AWG)

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