A.3 | Modbus/RS232 Ports Pinout |
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| This section covers the serial ports pinout for the following models: |
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| Operating |
| Modbus Plus |
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| Mounting | Power |
| Network |
| Serial | Serial |
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Part Number |
| Method | (Nominal) |
| Cable |
| Ports | Protocol |
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NW±BM85±000 |
| Panel or Shelf | 115/230 Vac |
| Single |
| Modbus | ASCII or RTU |
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NW±BM85C002 |
| Panel or Shelf | 115/230 Vac or |
| Single or Dual |
| Modbus | ASCII or RTU |
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| 24 Vdc |
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NW±BM85D008 |
| 19 in Rack | 125 Vdc or |
| Single or Dual |
| Modbus | ASCII or RTU |
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| 24 Vdc |
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NW±BM85E232 |
| Panel or Shelf | 115/230 Vac or |
| Single or Dual |
| RS232 | Programmable, |
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| 24 Vdc |
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| User Defined |
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NW±BM85D002 |
| 19 in Rack | 125 Vdc or |
| Single or Dual |
| RS232 | Programmable, |
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| 24 Vdc |
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| User Defined |
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NW±BM85S232 |
| Panel or Shelf | 115/230 Vac or |
| Single or Dual |
| RS232 | Programmable, |
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| 24 Vdc |
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| User Defined |
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Figure 26 shows the pin configuration for the Modbus/RS232 port connectors. If you are fabricating cables for your application the panel connector is a type DB9S.
REAR PANEL SERIAL PORT CONNECTORS
5 4 3 2 1
9 8 7 6
Figure 26 Serial Ports Pinout ± Modbus/RS232
Pin
BM85 Direction
Purpose
| 1 | ±± | Chassis ground |
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2 | In | Receive data |
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3 | Out | Transmit data |
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4 | Out | Data Terminal Ready |
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5 | ±± | Signal ground |
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6 | In | Data Set Ready |
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7 | Out | Request To Send |
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8 | In | Clear To Send |
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9 | ±± | not used |
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31007492 |
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| Compatible Devices and Cables | 87 |
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