Yokogawa RotaMASS 3-Series - Manual (Page 198)

9. EXplOSION prOTECTEd TYpE INSTrUMENTS
9-6 All Rights Reserved. Copyright © 2003, Rota Yokogawa IM 01R04B04-00E-E 8th edition March 01, 2011 -00
remote rack-mount type rCCr31 with rCCS3
WARNING
1.. Remote rack-mount converter RCCR31 may only be installed in safe area !
2. Ex-type RCCR31 and RCCS3 must be connected to the suitable IS earthing system
(see installation diagram). Converter and detector case must have connection to the potential
equalisation facility.
3. Please confirm that the ground terminal on terminal board is firmly connected.
4. For EMC technical reasons the case of the detector is connected to the case of the
converter via the shielding of the interconnecting cable .
Installation diagram :
L/+
N/-
G
Power supply
I/O control
Hazardous area Safe area
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 RCCY03
F93.EPS
Terminal Board