Yokogawa RAMC - Manual (Page 107)

<10. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
10-15
IM 01R01B02-00E-E 10th edition January 01, 2013 -00 All Rights Reserved. Copyright © 2003, Rota Yokogawa
10.7.2 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 10-16 and 10-17 for intrinsic safety
see FM-control drawing 116-0155 on page 10-18 for non incendive
10.6.3 Limit switches option /K1 ... /K3 (/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 10-19 and 10-20
WARNING
Only in combination with power supply option /WxA or /WxB.