Chapter 11 Communication Specifications

11.6 Connecting to the Ports

The following shows some examples of connections between port 1 and 2 and peripheral units. When creating a connection cable, check it thoroughly in advance according to what the purpose of its use is.

11.6.1 Port 1

Port 1 of the MICRO-EH is a communication port that uses the RS-232C protocol as interface. It is also a dedicated port with which to perform communication by the H series dedicated procedure (high protocol). Table 11.8 lists the types of peripheral units and cables that can be connected to port 1.

Table 11.8 Peripheral unit connection configuration

Peripheral unit

Cable

CPU type

 

EH-RS05

28-/23-point type

 

 

GPCL01H

GPCB02H

 

(Ladder Editor, HI-Ladder)

 

 

 

 

14-point type

Ladder Editor (DOS version)

EH-RS05

PCCB02H

WPCB02H (PC9800) EH-RS05

28-/23-point type

Ladder Editor for Windows® WVCB02H

 

(DOS/V system)

 

14-point type

EH-VCB02 (DOS/V system)

 

EH-RS05

10-point type

WVCB02H

 

Pro-H

EH-VCB02

*1: Set the DIP switches to 19.2 kbps when connecting to a GPCL01H.

*2: Adjust the DIP switch settings to the speed with which to communicate when connecting a LADDER EDITOR or Pro-H. (The speed is fixed at 4800 bps for 10-point type CPU.)

11-8

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Hitachi NJI-350B manual Connecting to the Ports