The Alarm Relay Card, Continued

Configuration

Notes

Warning

Specification

The relays have one set of voltage-free contacts (see note below) connected to one pair of terminals via a header. The two terminals are configured for normally closed or normally open by positioning a jumper on the relay card.

Table 6-3. Alarm Relay Card Jumper Positions

Relay

Header

Normally Closed

Normally Open

Alarm

P1

1-2 (top)

2-3 (bottom)

Isolate (Supervisory)

P2

1-2 (top)

2-3 (bottom)

Fault (Trouble)

P3

1-2 (top)

2-3 (bottom)

The common contact of each relay has a transient suppressor to earth, and must not be used to switch voltages greater than its rating of 40V.

The common contact is protected with a 3A fuse (5 x 15mm type).

For the default configuration, the relays are normally de-energised and energise on Fault/Isolate/Alarm.

The corresponding LED illuminates when the relay is energized.

The relays may be configured under custom control to operate other than the default actions.

If relay RL3 is configured for operation other than Fault (Trouble), jumper P3 on the SPS must be shifted to positions 1-2 (top).

 

 

CARD

 

Input Voltage

 

20-32Vdc

 

Input Current

 

15mA @ 24V, quiescent

 

(nominal)

 

37mA @ 24V, all relays on

 

 

RELAYS

 

Form

 

Voltage-free changeover, suppressors to

 

 

 

earth

 

Voltage

 

30Vac, 32Vdc

 

Current

 

2A, resistive load

 

 

FUSE

 

F1, F2, F3

 

5 x 15mm, Glass Cartridge, 3A

 

 

 

 

 

4-8

Page 66
Image 66
Tyco 4100U-S1 installation manual Alarm Relay Card Jumper Positions

4100U-S1 specifications

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