Model PAD-5-CLSA
1
NAC Circuits
13
Siemens Industry, Inc.
A6V101030359_en--_c
Building Technologies Division
X400
Pin
Designation
Description
1
7_+
Positive feed for Auxiliary Circuit 7 (DC +24 V)
2
7_-
Return feed for Auxiliary Circuit 7 (DC -24 V)
3
8_+
Positive feed for Auxiliary Circuit 8 (DC +24 V)
4
8_-
Return feed for Auxiliary Circuit 8 (DC -24 V)
Admissible cable cross-section: 1 x 12-18 AWG or 2 x 16-18 A
3.2.3 NACs Configured as Shorting Device Inputs
NAC 5 through NAC 8 can be configured through configuration tool ZEUS as Short-
ing Device Inputs, i.e. for monitoring dry relay contacts. Wiring and configuration is
limited to Class B and these inputs can be configured as Supervisory, Status or
Trouble inputs. The input devices must be of shorting type.
X300
Pin
Designation
Description
1
NAC5_+
Positive feed for Contact Input Circuit 1
2
NAC5_-
Return feed for Contact Input Circuit 1
3
NAC6_+
Positive feed for Contact Input Circuit 2
4
NAC6_-
Return feed for Contact Input Circuit 2
Admissible cable cross-section: 1 x 12-18 AWG or 2 x 16-18 AWG
X400
Pin
Designation
Description
1
NAC7_+
Positive feed for Contact Input Circuit 3
2
NAC7_-
Return feed for Contact Input Circuit 3
3
NAC8_+
Positive feed for Contact Input Circuit 4
4
NAC8_-
Return feed for Contact Input Circuit 4
Admissible cable cross-section: 1 x 12-18 AWG or 2 x 16-18 AWG