Yokogawa RotaMASS 3-Series User Manual
Page 210

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
Rü
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