Wiring method – RKI Instruments SD-705EC User Manual

Page 14

Advertising
background image

PT2E-1140

2−6 Wiring Method

(1) After installation of detector, confirm that there is no error in installation, and carry

out connection between equipment as follows.

Connection of the SD−705EC to the indicating alarm section(EC−583etc.)

CVVS-3C

1.25sq で 1.25km MAX
2.0

sq で 2.0

km MAX

EC-583

SD-705EC

DC24V

3

4

5

6

DC24V(シングルケース)

100V(マルチケース)

+ − Sig

入力電源

AC

DC24V(single case)

AC100V(multi-case)

Power input

示警報部

Indicator

EC-583

MAX 1.25km by 1.25sq.
MAX 2.0km by 2.0sq.

Connection of 4∼20mA of the SD−705EC to the DCS, etc.(Example)

アイソレータ(必要に応じて)

CVV-2C

中継端子台

C100V

SD-705EC

DC24V

+ − Sig

DCS

DC24V

CVVS-3C

Isolator(if necessary)

DC24V(single case)
AC100V(multi-case)

Relayed terminal

電源

POWER

DC24V

電源入力
A

Power input
AC100V

(2)For safety and to protect an instrument from external noise, be sure to make ground

before power on. Use cable as think and short as possible in order to suppress resistance.

Use internal of instrument or “E” bolt (Refer to Page 5) on the bottom of instrument for

ground.

13

Advertising