Concept
RP-C-16A Screw Terminals
The RP-C-16A model has 16 I/O points and the controller is equipped with 30 fixed screw terminals.
Danger
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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)
The 30 screw terminals are used as follows:
Three screw terminals for the power input
Two screw terminals for the 24 VAC output
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
12 screw terminals for the eight universal inputs/outputs of type Ub
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Terminal number |
Designation |
Usage |
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Power input |
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1 |
L |
Line (L) lead, 230 VAC, 50/60 Hz, 65 VA |
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2 |
N |
Neutral (N) lead, 230 VAC, 50/60 Hz, 65 VA |
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3 |
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Not connected internally |
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24 VAC output |
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4 |
24 VAC Out |
24 VAC, 19 VA, isolated output For more information, see 24 VAC Output on the RP-C-16A Controller . |
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5 |
24 VAC Out |
24 VAC, 19 VA, isolated output For more information, see 24 VAC Output on the RP-C-16A Controller . |
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Solid-state relay (SSR) outputs |
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6 |
DO1 |
SSR output |
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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. |
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8 |
DO2 |
SSR output |
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9 |
DO3 |
SSR output |
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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. |
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11 |
DO4 |
SSR output |
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Relay outputs |
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12 |
COM3 |
Common connection for DO1, DO2, and DO3 |
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13 |
DO1 |
Relay output, type Form A |
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14 |
DO2 |
Relay output, type Form A |
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15 |
DO3 |
Relay output, type Form A |
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High power relay outputs |
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16 |
NC |
Normally Closed terminal. High power relay output, type Form C. |
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17 |
DO4 |
Common terminal. High power relay output, type Form C. |
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18 |
NO |
Normally Open terminal. High power relay output, type Form C. |
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Universal inputs/outputs |
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19 |
Ub1 |
Universal input/output, type Ub |
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20 |
RET |
Internally connected to all RET terminals |
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21 |
Ub2 |
Universal input/output, type Ub |
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22 |
Ub3 |
Universal input/output, type Ub |
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23 |
RET |
Internally connected to all RET terminals |
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24 |
Ub4 |
Universal input/output, type Ub |
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25 |
Ub5 |
Universal input/output, type Ub |
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26 |
RET |
Internally connected to all RET terminals |
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27 |
Ub6 |
Universal input/output, type Ub |
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28 |
Ub7 |
Universal input/output, type Ub |
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29 |
RET |
Internally connected to all RET terminals |
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30 |
Ub8 |
Universal input/output, type Ub |
RP-Cs
RP-C Screw Terminals
Wiring
24 VAC Output on the RP-C-16A Controller