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Terminal Descriptions And Electrical Ratings - Siemens PAD-3 Installation, Operation And Maintenance Manual

Distributed power module nac expander
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2.4 TERMINAL DESCRIPTIONS AND ELECTRICAL
RATINGS
Table 2-1. Terminal Descriptions
Terminal #
Description
TB1
1
Earth Ground
2
AC (white-"neutral")
3
AC (black - "live")
TB2
1
Input 1 (+)
2
Input 1 (-)
3
Input 1
4
Input 2 (+)
5
Input 2 (-)
6
Input 2
7
Normally Open contact
8
Common
9
Normally Open contact
10
Common
11
Normally Closed contact
12
NAC 1 Output (+)
13
NAC 1 Output (-)
14
NAC 2 Output (+)
15
NAC 2 Output (-)
16
NAC 3 Output (+)
17
NAC 3 Output (-)
18
NAC 4 Output (+)
19
NAC 4 Output (-)
20
Auxiliary Power Output (+)
21
Auxiliary Power Output (-)
Ratings
120 VAC 50/60 Hz, 2.5A max.
16 – 33 VDC/VFW, 7mA max.
16 - 33 VDC/VFW, 7mA max.
2.5 A @ 30 VDC/VAC,
resistive
2.5 A @ 30 VDC/VAC,
resistive
Special Application
16-32 VDC, 3A max
Special Application
16-32 VDC, 3A max
Special Application
16-32 VDC, 3A max
Special Application
16-32 VDC, 3A max
Special Application
18-28 VDC, 3A max (Refer to
Section 1.3 General
Specifications)
8
Even though
each output is
rated for 3 amps,
the total
current draw
from the 4 NAC
outputs and the
auxiliary power
output must not
exceed 6 amps.

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