Yokogawa RAKD - Manual (Page 56)

<8. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
8-10
IM 01R01B30-00E-E 5th edition January 01, 2013 -00 All Rights Reserved. Copyright © 2003, Rota Yokogawa
8.7 Intrinsically safe FM / CSA (USA + Canada) components
(/FS1, /CS1)
8.7.1 Limit switches option /K1 ... /K10 (/FS1 for USA)
Data of limit switches (FM-approval):
The limit switches are intrinsically safe devices. They are certified by Pepperl & Fuchs for:
Intrinsically safe :
Cl. I, Div. 1, GP. A, B, C, D T6 Ta=60°C
Cl. II, Div. 1, GP. E, F, G
Cl. III, Div. 1
Non incendive:
Cl. I, Div. 2, GP. A, B, C, D T5 Ta=50°C
Cl. II, Div. 1, GP. E, F, G
Cl. III, Div. 1
Maximum Entity Field Wiring Parameters :
see FM-control drawing 116-0165 on page 8-11 and 8-12 for intrinsic safety
see FM-control drawing 116-0155 on page 8-13 for non incendive
8.7.2 Limit switches option /K1 ... /K10 (/CS1 for Canada)
Data of limit switches (CSA-approval):
The limit switches are intrinsically safe devices. They are certified by Pepperl & Fuchs for:
Intrinsically safe :
Cl. I, Div. 1, GP. A, B, C, D
Cl. II, Div. 1, GP. E, F, G
Cl. III, Div. 1
Maximum Entity Field Wiring Parameters :
see CSA drawing 116-0047 on page 8-14 and 8-15
WARNING
Only in combination with power supply option /WxA or /WxB.