Manual

WindO/I-NV2 User’s Manual 34-37

3 HG1F

MICRO/I Specifications

3.4

External Interfaces

● Serial Interface 1

■ D-sub Connector

• RS232C type (Type No.HG1F-SB22BF)

Screw lock brackets of inch screw thread type (#4-4OUNC) are provided with the RS232C type. Use them as required.

• RS485/422 type (Type No.HG1F-SB22YF)

Note that this D-sub connector cannot be used simultaneously with the terminal block.

CAUTION

Make sure to turn off the power to the HG1F before wiring each interface or switching the

terminating resistor selector Switch.

Interface Specification RS232C/485(422)

Connector D-sub 9 pin (Plug)

Screw lock bracket Metric screw thread (M2.6×0.45p)

No. Name Function

1 FG Frame Ground

2SD Send Data

3 RD Receive Data

4 NC No connection

5 NC No connection

6 DR Data set ready

7 SG Signal Ground

8 NC No connection

9 ER Data terminal ready

No. Name Function

1 SD+ Send Data (+)

2 RD+ Receive Data (+)

3 RS+ Request to Send (+)

4CS+ Clear to Send (+)

5 SG Signal Ground

6SD− Send Data (−)

7RD− Receive Data (−)

8RS− Request to Send (−)

9CS− Clear to Send (−)