MODEL: MMDH

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

MMDH SPECIFICATIONS

ES-8185 Rev.1 Page 2/3

CONNECTION EXAMPLES

CURRENT LOOP SUPPLY

(protected device)

2-WIRE TRANSMITTER

(protected device)

M-RESTER

IN

M-RESTER

CENTRAL

STATION

FIELD

PANEL

GROUNDING

PANEL

GROUNDING

G

FROM

FIELD

TO

CENTRAL

STATION

+

–

P2

P1

S2

S1

P2

P1

S2

S1

CABLE

G

G

+

–

GROUNDING

M-RESTER

PROTECTED

EQUIPMENT

G

G

CROSSOVER WIRE

GROUNDING

(100 ohms or less)

A crossover wire between M-RESTER ground and ground or metallic

housing of equipment is required for protection.

If the protected equipment has no ground terminal, ground the

M-RESTER only.

DIMENSIONS unit: mm (inch)

110 (4.33)

18 (.71)

45 (1.77)

57 (2.24)

65 (2.56)

S1

S2

G

P1

P2

4–4 (.16) dia.

SURGE SIDE

PROTECT SIDE