Industrial-data-systems IDS DT220 Manual de usuario descargar pdf (Pagina 42)

DT220 Users Manual version 1.a Hardware & Wiring

38

Com Port 1 – J10 and TB6

The serial communication port 1 has a 9 pin ‘D’ connector at the back of the DT220.

NOTE: Com port 1 ground is NOT isolated from the DT220 circuit ground.

Com Port 1 ‘D’ Connector

Pin #

Signal Name

1

2 RS232 RXD (receive data)

3 RS232 TXD (transmit data))

4

5 Ground (GND)

6 Current Loop Transmit

7 RS232 RTS (request to send)

8 RS232 CTS (clear to send)

9

Com Port 1 TB6

Pin #

Signal Name

1 +5R (360 ohm to +5V)

2 Current Loop TX

3 CL receive R+ (360 ohm res)

4 CL receive +

5 CL receive -

6 +5V

7 GND (Function Lock)

Jump to TB3 –7 to unlock

Com Port 2 – J11 and TB6

The serial communication port 2 has a 9 pin ‘D’ connector at the back of the DT220.

NOTE: Com port 2 RS232 ground is isolated from the DT220 circuit ground.

Com Port 2 ‘D’ Connector

Pin #

Signal Name

1

2 RS232 RXD (receive data)

3 RS232 TXD (transmit data))

4 +5R (360 ohm to +5V)

5 Ground (GND) (isolated)

6

7 +5R (360 ohm to +5V)

8

9

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