TREND SRMV, SRMAC Single Relay Module

In this Article we are going to see TREND SRMV, SRMAC Single Relay Module  Overview,

TREND SRMV , SRMAC Relay Module

Tips:

This Relay is used alternate of PLC input , output Analog modules.

Features:

• The Single Relay Module enables a controller output signal to drive a single changeover relay.

• This allows plant of up to 8Amps at 240 Volt ac resistive to be switched by the relay contacts.

• The module may either be mounted on a DIN rail or on a flat surface.

• There are two versions: the SRMV accepts a 0 to 10 Volt signal, and the SRMAC accepts a 0 to 24 Volt ac signal (example, triac output).

• SRMV converts a 10 Volt dc analogue output signal to a 8 Amps relay output.

• SRM AC converts a 24 Volt ac (triac) output signal to a 10 Amps relay output.

 

Mechanical Design:

The module is supplied with the relay plugged into the screw terminal socket. The socket can be mounted either by clipping onto a standard top hat DIN rail or by screwing onto a flat surface

 

Electrical Design:

• The screw terminals incorporate self lifting cable clamps and can accommodate two 2.5 mm² (11 A W G) wires.

• The coil is polarity independent.

• The SRMV coil takes 17.5 milliamps (approximately) at 10 Volt dc which is within all IQ2/3 series analogue output voltage channels’ capability.

• The SRM AC takes 31.6 milliamps (ac) (approximately) at 24 Volt ac.

• The relay is a single pole changeover (S P D T - 1 form C).

 

INSTALLATION:

Baca Juga

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• TREND SRMV, SRMAC Single Relay Module

The SRM should be mounted close to the IQ controller. For SRMV/USA the unit is UL rated as ‘UL916 listed open energy management equipment accessory’.

If SRM AC, connect triac output channel to relay (polarity independent)

If SRMV, link analogue output channel for voltage. Connect relay output to HVAC equipment item to be controlled (N O or NC) Test installation.

Ensure that external circuits are suitably protected against fault currents that would exceed the ratings for the switching circuits provided in this product.

 

Technical Specification :

Coil Operation :

 

SRMV :12Volt dc nominal, at 576 ohm (20°C) nominal, current 17.5 milliamps (approximate) at 10Volt dc. Minimum operating voltage 9Volt dc.

 

SRM AC :24 Volt ac nominal, at 350 ohm (20 °C) nominal, current 31.6 milliamps (ac) nominal at 50 Hz. Minimum operating voltage 18 Volt ac.

 

Contact Rating: Arc suppression recommended, see Relay Output Arc Suppression Installation Instructions (TG200208).

 

SRMV :250 Volt ac at 8 Amps (resistive load), 5 Amps (inductive load, power factor greater than 0.4); 20 Volt dc at 8 Amps (resistive load); 24 Volt dc at 2 Amps (inductive load T lesser than 30 ms). The U L rating applies to a load up to 30 Volt

 

SRM AC :250 Volt ac at 10 Amps (resistive load), 6 Amps (inductive load, power factor greater than 0.4); 20 Volt dc at 10 Amps (resistive load); 24 Volt dc at 2 Amps (inductive load T lesser than 30 ms).

Dimensions: 77 mm (3.03 inch ) width , 15.5 mm (0.61 inch ) depth , 61 mm (2.4 inch) height 

Dimension

Terminals:screw with self lifting cable clamp, can accommodate two 2.5 mm2 (11 A W G) wires, or two 1.5 mm2 (16 A W G) wires with bootlace crimp.

Contact Material :AgNi (90/10)

Weight: 45 gram (1.58 ozs)

 

ENVIRONMENT CONDITION :

Protection : IP20 (for socket)

Ambient Temperature :-25 °C (-13 °F) to +85 °C (+185 °F)

U L  : The unit is U L rated (Canada & US)