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Concept

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Products: RP-C
Functionalities: Hardware
Product version: 2022, 2023, 2024
2/6/2023

RP-C-12C-F-24V Screw Terminals

The RP-C-12C-F-24V model has 12 I/O points and the controller is equipped with 24 fixed screw terminals.

Danger Danger

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

Disconnect the power supply and other high voltage equipment before wiring.

Failure to follow these instructions will result in death or serious injury.

Recommended screw tightening torque: 0.56 to 0.79 Nm (5 to 7 lbf.in)

 
action_zoom_plus_stroke Screw terminals and other connectors, RP-C-12C-F-24V (hardware version 10 and later)
Figure: Screw terminals and other connectors, RP-C-12C-F-24V (hardware version 10 and later)

The 24 screw terminals are used as follows:

  • Two screw terminals for the power input

  • One screw terminal for ground input

  • Two screw terminals for the return (RET) terminals 4 and 5

  • Six screw terminals for the four solid-state relay (SSR) outputs

  • Four screw terminals for the three relay outputs

  • Three screw terminals for the high power relay output

  • Six screw terminals for the four universal inputs/outputs of type Ub

Table: Screw Terminals, RP-C-12C-F-24V

Terminal number

Designation

Usage

Power input

1

 
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/+

G – 24 VAC, 50/60 Hz, 23 VA

Positive lead (+) when operating the device from 24-30 VDC, 14 W

2

 
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/–

G0 – The other output from the 24 VAC transformer connects to terminal 2.

Terminals 2 and 3 are internally connected.

Negative (–) lead when operating the device from 24-30 VDC, 14 W

3

RET

 
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Terminal 3 is provided for convenience to connect to protective earth ground (optional).

Terminals 2 and 3 are internally connected.

Return terminals

4

RET

Internally connected to all earth ground and RET terminals

5

RET

Internally connected to all earth ground and RET terminals

Solid-state relay (SSR) outputs

6

DO1

SSR output

7

COM1

Common connection for DO1 and DO2

The COM terminal can be connected to 0 to 24 VAC or -30 VDC to +30 VDC.

8

DO2

SSR output

9

DO3

SSR output

10

COM2

Common connection for DO3 and DO4

The COM terminal can be connected to 0 to 24 VAC or -30 VDC to +30 VDC.

11

DO4

SSR output

Relay outputs

12

COM3

Common connection for DO1, DO2, and DO3

13

DO1

Relay output, type Form A

14

DO2

Relay output, type Form A

15

DO3

Relay output, type Form A

High power relay outputs

16

NC

Normally Closed terminal. High power relay output, type Form C.

17

DO4

Common terminal. High power relay output, type Form C.

18

NO

Normally Open terminal. High power relay output, type Form C.

Universal inputs/outputs

19

Ub1

Universal input/output, type Ub

20

RET

Internally connected to all earth ground and RET terminals

21

Ub2

Universal input/output, type Ub

22

Ub3

Universal input/output, type Ub

23

RET

Internally connected to all earth ground and RET terminals

24

Ub4

Universal input/output, type Ub

See Also

  • RP-C Controllers
  • RP-C Screw Terminals
  • Wiring
  • Differences Between RP-C Hardware Versions