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CNU1/1A and CNU2/2A Pinout
Control Board CNU1/1A and CNU2/2A pinout (RJ-45 connectors).
Pin # | CNU1 Pinout | CNU1A Pinout |
| Pin # | CNU2 Pinout | CNU2A Pinout |
(Controller PCBA) | (EOI) |
| (Controller PCBA) | (EOI) | ||
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1 | P24 | P24 |
| 1 | P24 | P24 |
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2 | Gnd | Gnd |
| 2 | Gnd | Gnd |
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3 | Tx | RXA |
| 3 | Rx | Tx |
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4 | Rx (+) | TXA |
| 4 | Gnd | Gnd |
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5 | Rx | TXB |
| 5 | Tx | Rx |
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6 | Tx (+) | RXB |
| 6 | Gnd | Gnd |
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7 | RS232/RS485 | CNU3 |
| 7 | Open | Open |
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8 | Gnd | Gnd |
| 8 | Gnd | Gnd |
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CN3 Pinout
CN3 of the Control Board is used for RS232/RS485 serial communications.
Pin Number | CN3 Pinout | |
(Controller PCBA) | ||
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1 | RS232/RS485 Signal + | |
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2 | RS232/RS485 Signal - | |
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3 | RS232/RS485 Signal Gnd | |
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4 | Shield | |
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CN7 Pinout
CN7 of the Control Board connects to CN7A of the Control Terminal Strip PCBA.
Table 3. CN7 pinout assignments. Programmable terminals are listed as their default settings.
Pin Number | Function | Pin Number | Function |
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1 | PP | 14 | II |
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2 | FL | 15 | S1 |
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3 | VI | 16 | R |
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4 | RR | 17 | S3 |
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5 | FM | 18 | S2 |
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6 | RX | 19 | N15 |
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7 | FP | 20 | S4 |
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8 | AM | 21 | P15 |
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9 | *OUT1 | 22 | P24 |
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10 | *OUT2 | 23 | CC |
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11 | ST | 24 | CC |
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12 | RES | 25 | CC |
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13 | F | — | — |
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Note: * Open collector outputs.
22 | W7 ASD Installation and Operation Manual |