Installation manual

Installation Manual

150933 / Rev. 9/96 3

3. System Overview

CAUTION

Each output circuit is rated at 3 amps. DO NOT OVERLOAD. Overloading a circuit will cause it to shut

down (power limit). The circuit will automatically reset once you remove the overload condition.

3.1 Terminal Descriptions and Electrical Ratings

Table 3-1. Terminal Descriptions

Terminal # Description Ratings

TB1

AC (black“hot”)

120 VAC 60 Hz

2 Earth Ground

AC (white“neutral”)

TB2

1 Auxiliary Power (-)

2 Auxiliary Power (+) 24 VDC 3.0 amps

3 Notification 4 Output (-)

4 Notification 4 Output (+) 24 VDC 3.0 amps

Even though each output

5 Notification 3 Output (-)

is rated for 3 amps, the

6 Notification 3 Output (+) 24 VDC 3.0 amps

total current draw from

7 Notification 2 Output (-)

the 4 outputs and the

8 Notification 2 Output (+) 24 VDC 3.0 amps

auxiliary power must

9 Notification 1 Output (-)

not exceed 6 amps of

10 Notification 1 Output (+) 24 VDC 3.0 amps

notification power.

11 Normally Closed contact

2.5 A @ 250 VAC

12 Common

13 Normally Open contact

2.5 A @ 30 VDC

14 Input 2

15 Input 2 (-) 9 - 30 VDC

16 Input 2 (+)

17 Input 1

18 Input 1 (-) 9 - 30 VDC

19 Input 1 (+)