Emerson NXr Manuel d'utilisateur télécharger pdf (Page 50)

Option Installations

5.11 Relay Card

The relay card provides voltage-free contact closures for remote monitoring of alarm conditions.

Delivering On Battery, On Bypass, Low Battery, Summary Alarm, UPS Fault and On UPS sig-

nals, the easy-to-install card integrates with AS/400 computers (additional cable required) and other

relay contact monitoring systems.

The relay card is rated for 24 VAC/DC at 1A. and supported in any of the three Intellislot bays on the

NX.

Table 9 Relay Card pin configuration

Pin Function Operation

1 UPS Fault Closed if no UPS failure

2-3 Not Used

4 UPS Fault Closed if UPS fails

5 Summary Alarm** Closed if SUMMARY ALARM** occurs

6 Summary Alarm** Closed if no alarm conditions are present

7 Any Mode Shutdown return Not supported – use External EPO terminal

8 Not Used

9 Common - Low Battery

10 Low Battery Closed if battery is OK

11 Low Battery Closed if LOW BATTERY point occurs.

12-13 Not Used

14 UPS Any Mode Shutdown Not supported – use External EPO terminal

15 On UPS Closed if ON UPS (inverter) power

16 On Battery Closed if ON BATTERY power (Utility failure)

Common - UPS Fault,

Summary Alarm, On UPS, On

Battery, On Bypass

18 On Battery Closed if not ON Battery power (Utility OK)

19±23 Not Used

24 On Bypass Closed if ON BYPASS

25 Not Used

**A Summary Alarm occurs when any of the following conditions exist:

1. Utility power is out of the acceptable range (voltage and/or frequency).

2. UPS is in BYPASS MODE (load not on Inverter power).

3. UPS Battery is LOW.

4. UPS fault has occurred.

Table 10 Relay card jumper configuration

Number Connection Description

JP01 Pin 9 to Pin 17 Allows all relay COMMONS to be tied together.

ANY JP02 Pin 7 to Pin 17 REMOVE - (Interconencts all relay COMMONS and the (not

supported) MODE SHUTDOWN Return

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 111 112

Pas de commentaire

Emerson NXr Manuel d'utilisateur Page 50