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Yokogawa RotaMASS 3-Series User Manual

Page 210

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9. EXplOSION prOTECTEd TYpE INSTrUMENTS

9-18

All Rights Reserved. Copyright © 2003, Rota Yokogawa

IM 01R04B04-00E-E 8th edition March 01, 2011 -00

Date

Name

Title:

FM (US,C) Control drawing

rotaMaSS reMote type

rCCr31 + rCCS3

Drawed

5.3.07

Butz

Checked

5.3.07

YOKOGAWA

79664 Wehr

Germany

Drawing:

8300028

2/2

a

------

------

------

------

Rev.

Update

Date

Editor

Check

warning: Substitution

of components may

impair intrinsic safety

installation of intrinsic safe ground :

- Remove the cable between COM - terminal and the ground terminal (see below picture).

- Connect the IS-ground cable to the COM - terminal.

- Install the remote cable between Detector RCCS3 and Converter RCCR31 as shown below.

L/+

N/-

G

Power supply

I/O control

HAZARDOUS LOCATION

NON HAZARDOUS LOCATION

I/O

RCCR31

RCCS3

D+
D-
S1+

S1-
S2+

S2-
TP1

TP2
TP3

D+
D-
S1+

S1-
S2+

S2-
TP1

TP2
TP3

COM

Exclusive remote cable

Case earth clamp

IS earth

Shield

Remove cable

COM- terminal

note :

- For AC-version of RCCR31 maximum power supply is 250V AC.

- For DC-version maximum power supply is 28.8V DC.

- Install in accordance with NFPA 70

- Max. cable length of remote cable 50m / 164ft.

- Connect inner shields of remote cable together to COM-terminal on converter side.

- Connect outer shield of remote cable on both sides to case by cable gland (RCCS3) and clamp on terminal

board (RCCR31).

- The installation must be in accordance with the national electrical code, NFPA70, article 504 to 510

and ANSI/ISA RP 12.06.01.

- The non intrinsically safe terminals must not be connected to any device that uses or generates more

than 250Vrms or dc unless it has been determined that the voltage was adequately isolated.

- Installation must be in accordance with the Canadian Electrical Code, when installed in Canada