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Concept

Concept


Products: RP-C
Functionalities: Hardware
Product version: 2022, 2023, 2024
10/20/2023

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

The RP-C-12A-F-24V model has 12 I/O points and the controller is equipped with 23 fixed screw terminals.

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

The 23 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

  • 12 screw terminals for the eight universal inputs/outputs of type Ub

Table: Screw Terminals, RP-C-12A-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

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

25

Ub5

Universal input/output, type Ub

26

RET

Internally connected to all earth ground and RET terminals

27

Ub6

Universal input/output, type Ub

28

Ub7

Universal input/output, type Ub

29

RET

Internally connected to all earth ground and RET terminals

30

Ub8

Universal input/output, type Ub

See Also

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