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Concept

Concept


Products: RP-C
Functionalities: Hardware
Product version: 3.0, 3.1, 3.2, 3.3
1/25/2022

High Power Relay Outputs

arrow1_rotationOutputs arrow1_rotationSpecifications

The main application of the high power relay output is to power an electrical heating element directly.

The outputs can be configured as one of the following types:

  • Digital output

  • Digital pulsed output

  • Pulse width modulated output

Consider the expected number of operation cycles specified for the relay output (cycle life rating) when configuring the period for a pulse width modulated (PWM) output point.

Outputs

The DO high power relay outputs are Form C digital outputs, which means the outputs are switching contacts with one common terminal (C), one normally-open terminal (NO), and one normally-closed terminal (NC). The terminals are isolated from other circuits of the device and from signal ground.

 
action_zoom_plus_stroke Form C digital output internal configuration
Figure: Form C digital output internal configuration

Specifications

Channels, RP-C-12A-F-24V
0
Channels, RP-C-12B-F-24V
1, DO4
Channels, RP-C-12C-F-24V
1, DO8
Channels, RP-C-16A-F-230V
1, DO8
Contact rating
Pilot Duty (B300)
  
Minimum current: 100 mA (5 VDC)
  
Normally Open contact, resistive load: 250 VAC/24 VDC, 12 A (cos phi = 1)
  
Normally Closed contact, inductive load: 250 VAC/24 VDC, 3 A (cos phi = 0.4)
Switch type
Form C Relay
  
Single Pole Double Throw
  
Normally Open and Normally Closed
Isolation contact to system ground
5,000 VAC
Cycle life
At least 100,000 cycles
Minimum pulse width
100 ms
  • RP-Cs
  • RP-C Onboard I/O