MODEL: R2K-1

R2K-1 SPECIFICATIONS

ES-6701 Rev.5 Page 3/3

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

EXTERNAL DIMENSIONS unit: mm [inch]

92 [3.62]

90 [3.54]

15.5 [.61]

100 [3.94]

3–5 [.20] dia.

MTG HOLES

FOR WALL MOUNT.

(6 [.24])

41 [1.61]

3 [.12]

DIN RAIL

35 mm wide

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

*When the device is located at the end of a transmission line via RS-485,

close across the terminal T2 – T3 with the attached jumper pin (or with a leadwire).

Note: RS-485 and power terminals are not isolated from each other.

Use of M-System’s lightning surge protectors is recommended for protecting the

device from induced surges.

Controller

RS-232-C

SG

Shielded Twisted-pair Cable

To Other

RS-485 Devices

Jumper*

Term. Resist.

LEDs

SG2

SG

AC Adaptor

+

–

DC POWER

DIP SW

BAUD RATE

ROTARY SW

RS-232-C

T3

T4

T2

T1

Isolation

RS-485

Driver

+

–

Specifications are subject to change without notice.