PS6000 Series – User Manual PDF
PS6000-MM01-EN_00

RS-422/485 isolated x 2

Specifications

By factory default, the RS-485 interface is connected on the interface cartridge. Depending on your requirements, you can change the interface to a RS-422 interface included with the product.

  1. After attaching to the unit, right side

  2. After attaching to the unit, left side

  3. Red wire

RS-485 interface cable

RS-422 interface cable

Asynchronous transmission RS-422 (isolated) x 2, RS-485 (isolated) x 2
Data length 7 or 8 bits
Stop bit 1 or 2 bits
Parity None, odd or even
Flow control xon/xoff control
Data transmission speed 2,400...115,200 bps
Connector D-Sub 9 pin (plug)
Power consumption (max.) 0.58 W

The serial interface is isolated. The SG (signal ground) and FG (frame ground) terminals are not connected inside this product. When the serial interface connector is D-Sub, connect the FG wire to the shell.

DANGER
ELECTRIC SHOCK AND FIRE
When using the SG terminal to connect an external device to this product:
  • Verify that a ground loop is not created when you set up the system.
  • Connect the SG terminal to remote equipment when the external device is not isolated.
  • Connect the SG terminal to a known reliable ground connection to reduce the risk of damaging the circuit.
Failure to follow these instructions will result in death or serious injury.
CAUTION
LOSS OF COMMUNICATION
  • All connections to the communication ports must not put excessive stress on the ports.
  • Securely attach communication cables to the panel wall or cabinet.
  • Use a D-Sub 9 pin connector that has jack screws.
Failure to follow these instructions can result in injury or equipment damage.
NOTICE
BROKEN ENCLOSURE
Do not exert more torque than the amount specified.
Failure to follow these instructions can result in equipment damage.
NOTE: Use within the rated current.

Pin Assignment

RS-422: D-Sub 9 pin plug connector

Module side:

Pin No. RS-422
Signal name Direction Description
1 TxD- Output Send data –
2 TxD+ Output Send data +
3 RxD- Input Receive data –
4 RxD+ Input Receive data +
5 SG — Signal ground (isolated)
6 NC — No connection
7 NC — No connection
8 NC — No connection
9 NC — No connection
Shell FG — Frame ground

RS-485: D-Sub 9 pin plug connector

Module side:

Pin No. RS-485
Signal name Direction Description
1 Data– Input/Output Communication data –
2 Data+ Input/Output Communication data +
3 NC — No connection
4 NC — No connection
5 SG — Signal ground (isolated)
6 NC — No connection
7 NC — No connection
8 NC — No connection
9 NC — No connection
Shell FG — Frame ground

For both RS-422 and RS-485:

Recommended jack screw is #4-40 (UNC).


Replacing with RS-422

  1. Use a box wrench (5 mm) to remove the screws on the interface.
  2. Disconnect the interface connector from the cartridge, and also disconnect the cable connected to the board.
  3. As shown below, attach the cable connector so that the cable’s red wire is at position 1. Attach so that the port with the red wire is on side B.
    NOTE: For a RS-485 connection, attach the cable connector so that the red wire is at position 2.

    1. Red wire

  4. Insert the RS-422 interface connector into the cartridge and tighten the screws.
    NOTE: The necessary torque is 0.3 N•m (2.7 lb-in).

Termination Resistor Setting

Termination resistor setting is necessary when using RS-422/485 isolated x 2. Set up by referring to the following table.

Dip SW OFF ON Port
1 Normal Termination For RS422 (port identified with a red wire)
2 Normal Termination For RS422 (port not identified with a red wire)
3 Normal Termination For RS485 (port identified with a red wire)
4 Normal Termination For RS485 (port not identified with a red wire)

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