Series 1 Rack Optional Relay Specifications; Relay Output Contacts; Relay Contact Ratings - Honeywell Vertex M User Manual

8.5 Series 1 Rack Optional Relay Specifications

8.5.1 Relay Output Contacts

Relay output contacts: via PLC, normally open (form A). Available in 32 and 64 contacts, both
are user configurable.

8.5.2 Relay Contact Ratings

0.1 to 2.0 Amps
l
5-24 VDC or
l
5-120 VAC
l
The alarm relay has a minimum load requirement of greater than 5 volts and 10 mA. For
reliable relay operation, ensure the alarm circuit meets these requirements.
Maximum Volts
AC 240 VAC
120 VAC
DC 125 VDC
24 VDC
AC 240 VAC
120 VAC
DC 125 VDC
24 VDC
(1) Connecting surge suppressors across the external load will extend the life of SLC 500 relay
contacts. For recommended surge suppressor when switching AC inductive loads, consult the
SLC 500 Modular Hardware Style Installation and Operation User Manual (Publication 1747-
6.2) or the SLC 500 Fixed Hardware Style Installation and Operation User Manual (Publication
1747- 6.2.1). Recommended surge suppression for switching 24 VDC inductive loads is a
1N4004 diode reverse wired across the load.
(2) The continuous current per module must be limited so the module power does not exceed
1440 VA.
(3) For DC voltage applications, the make/break ampere rating for relay contacts can be
determined by dividing the 28 VA by the applied DC voltage. For example, 28 VA / 48 VDC =
0.58A. For DC voltage applications less than 14V, the make/break ratings for relay contacts
cannot exceed 2A. RTB = Removable Terminal Block.
Vertex M
1
Amperes
Make Break
7.5A 0.75A
15A 1.5A
0.22A3
1.2A3
15A 1.5A
30A 3.0A
0.22A3
1.2A3
Table 8-3. Relay Contact Ratings for 1746-OW16
Amperes Continuous
2.5A
1.0A
2.0A
5.0A
1.0A
2.0A
182
Volt-Amperes
2
Make Break
1800VA 180VA
28VA
3600VA 360VA
28VA
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