Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manuel d'utilisateur télécharger pdf (Page 9)

1-1

IM 77J04J11-01E 1st Edition : 2006.08.25-00

1. Setup

This chapter describes the setup procedure required to use the communication

functions (PC link, Ladder and MODBUS) and the communication parameters of the

M Series.

1.1 Setup Procedure

Set up the communication functions on the M Series as follows:

Set up the communication function parameters of the M Series. (See section 1.2.)

Connect a higher-level device and a M Series. (See the connection diagram below.)

Create communication programs for the higher-level device to perform communication.

Note: Refer to the documentation of each higher-level device when creating communication programs.

B (+)

A (-)

Shielded

B (+)

A (-)

B (+)

A (-)

M Series M Series

PLC

JIS Class D grounding

(grounding resistance of 100 Ω or less)

JIS Class D grounding

(grounding resistance of 100 Ω or less)

Terminating resistor

220 Ω

1/4 W

Terminating resistor

220 Ω

1/4 W

• Connection

COMCOM

B (+)

A (-)

B (+)

A (-)

B (+)

A (-)

M Series M Series

PC or PLC

JIS Class D grounding

(grounding resistance

of 100 Ω or less)

Terminating resistor

220 Ω

1/4 W

JIS Class D grounding

(grounding resistance

of 100 Ω or less)

COMCOM

ML2

(RS-232C/RS-485 converter)

RS-232C

(straight cable)

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