RL2 Two Channel Relay Output Module Technical Data Sheet

This two channel digital relay output module (RL2) has two isolated Form C relays with normally open (NO) and normally closed (NC) contacts. It can be used to drive a wide variety of external devices, for example, light-emitting diodes (LEDs), lamps, inputs to an external devices and light loads.

Main Characteristics
Number of channels	2
Compatible Terminal Blocks	A12
Group of output channels	2 groups of 1 channel
Digital output voltage	24 to 250 Vac (47 - 63 Hz) 5 to 125 Vdc
Digital output number	2 relay outputs (form C with NO/NC contacts)
Output wiring mode	2 wires
Digital output current	2A maximum per output at 30 Vdc or 250 Vac (resistive) 0.2A maximum per output at 125 Vdc (resistive)
Minimum switching current	10 mA 5 Vdc
Digital output frequency	2 Hz for resistive load 0.5 Hz for inductive load 2 Hz for lamp load
Response time on output	<20 ms activation <13 ms deactivation
Mechanical durability	10,000,000 cycles
[Ith] Conventional free air thermal current	2 A per channel
Paralleling of outputs	Yes for logic links Yes for redundant control of load
Electrical durability	150,000 cycles 2 A 250 Vac 150,000 cycles 2 A 30 Vdc 300,000 cycles 1 A 250 Vac 300,000 cycles 1 A 30 Vdc
Input diagnostic	Field power supply not detected
Power supply type	Bus power from power supply bus (24 Vdc) Field power from power supply field (24 Vdc)
Typical current consumption	27.6 mA at 24 Vdc on the bus current 1.2 mA at 24 Vdc on the internal field current minimum 21.4 mA at 24 Vdc on the internal field current maximum
Power dissipation	1.4 W maximum at 24 Vdc
Isolation	Between channels 1780 Vrms Between channel and bus 3000 Vrms Between channels and ground 3000 Vrms
Maximum cable length	Unshielded Maximum length 30 m (98' 5") Shielded Current maximum length 1000 m (656' 2.4")
Weight	Module 52.2 g (1.84 oz) Terminal Block 47.7 g (1.68 oz)
Hot swap	Yes
Housing color	Grey

Environment
IP degree of protection	IP20
Product certification	CE CULus RCM
Standards	EN/IEC 61326-1 EN 61010-2-201 UL 61010-2-201
Directives	2014/30/EU - Electromagnetic compatibility 2014/35/EU - Low voltage 2011/65/EU, 2015/863/EU RoHS
Operating temperature	0 to 55 °C (32 to 131 °F)
Storage temperature	-5 to 60 °C (23 to 140 °F)
Relative humidity	5 % to 95 % without condensation
Operating altitude	0 to 2000 m (0 to 6561 ft)
Pollution degree	2
Vibration	2 g
Shock	15 g for 11 ms

Dimension Size a 15 mm (0.59") b 100 mm (3.94") c 66 mm (2.60") c plus Terminal Block 101.9 mm (3.98")

RL2 Two Channel Relay Output Terminal Wiring

DANGER
HAZARD OF ELECTRICAL SHOCK, EXPLOSION OR ARC FLASH Do not exceed the device’s ratings. Ensure all cables and wiring harness are secured using a relevant strain relief mechanism. Failure to follow these instructions will result in death or serious injury

 

WARNING
UNINTENDED EQUIPMENT OPERATION Ensure wires are routed to minimize the pick-up of Electromagnetic interference (EMI) keeping cable lengths to a minimum. Only use copper cables (except for the thermocouple wiring). Failure to follow these instructions can result in death, serious injury, or equipment damage

Terminal Wiring	Cross Section
1 solid conductor	0.2 to 2.5 mm² (American Wire Gauge (AWG) 24 - AWG 14)
2 solid conductors	0.2 to 1.5 mm² (AWG 24 - AWG 16) - both conductors must be the same cross section
1 stranded conductor without ferrule	0.2 to 2.5 mm² (AWG 24 - AWG 14)
1 stranded conductor with single ferrule	0.2 to 1.5 mm² (AWG 24 - AWG 16)
2 stranded conductors with twin ferrule	0.2 to 0.75 mm² (AWG 24 - AWG 20)

Terminal block captive screws are not supplied tightened and must be tightened to 0.5 to 0.6 Nm (0.30 lb-ft) using a flat tipped screwdriver with a diameter of 3.5 mm (0.14"). Stripping length for all cable types is 10 mm (0.39").

RL2 wiring example showing two independent loads switched from EPM Data Management, one ac and one dc:

Key Description 1 External power supply 5 to 125 Vdc or 24 to 250 Vac 2 Load external protection device. In integration, resistor and capacitor (RC) snubber (22nf 100Ω in series) can be ordered with your EPM Solution. Metal oxide varistor (MOV) for ac load and Diode/MOV for dc load can be included if appropriate for your application.

Key Description 3 External fast blow fuse  appropriate for load, or protection to an equivalent level NO Normally open NC Normally closed

Load Graphs for Relay

Note - Differences in load current, ambient temperature, load type and switching frequency can impact the number of operations.

Last Update - April 26