MODEL: 73VR1100

73VR1100 SPECIFICATIONS

ES-7399 Rev.24 Page 7/18

https://www.m-system.co.jp/

COMMUNICATION CABLE CONNECTIONS

73VR1100

T1

T2

T3

T4

PC Recorder

53U

T1

T2

T3

T4

DA

DB

TR

DG

FG

PC Recorder

53U

RS-485

*1. Internal terminating resistor is used when the device is at the extreme end of a transmission line.

*2. Install shield cables to all sections and ground them at a single point.

FG

FG

RS-485

RS-485

RS-485

Terminator

■ PC RECORDER, 53U

73VR1100

DA

DB

TR

DG

FG

FG

Terminator

■ R3-NM1, R5-NM1, R7M

DA

DB

DG

SLD

FG

R3-NM1

R5-NM1

R7M

DA

DB

DG

SLD

FG

R3-NM1

R5-NM1

R7M

Terminator

CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FG terminal to ground.

Caution: FG terminal is NOT a protective conductor terminal.

RJ-45 MODULAR JACK

FG

USB

Ethernet

10BASE-T / 100BASE-TX

To I/O Devices

*

U (+)

V (–)

ALM +

ALM –

RUN +

FG

DG

TR

DB

DA

RUN –

POWER

*Short across these terminals when the device is at the extreme end of a transmission line.