<Toc> <Ind>
<APPENDIX>
A-5
IM 01C00A11-01E
•
Safety Barriers Parameters (CSA Certified Barriers)
Voc
28V
Isc
143mA
Pmax
889mW
•
Intrinsically Safe Apparatus Connected with BT200
(CSA Certified Apparatus)
Vmax
(Voc of Safety Barrier) +2V
Imax
(Isc of Safety Barrier) + 22mA
Pmax
(Pmax of Safety Barrier) + 11mW
Installation
•
All wiring shall comply with Canadian Electrical
code Part I and Local Electrical Codes.
•
General purpose equipment connected to barrier
must not use or not generate more than 250 Vrms or
Vdc.
•
The safety barriers and intrinsically safe apparatus
connected with BT200 must be certified by CSA.
•
Associated apparatus manufacturer’s installation
drawing must be followed when installing these
intrinsically safe apparatuses.
•
Not a warning label worded:
“SUBSTITUTION OF COMPONENTS MAY
IMPAIR INTRINSIC SAFETY” and “TO PRE-
VENT IGNITION OF A HAZARDOUS ATMO-
SPHERE, BATTERIES MUST ONLY BE
CHANGED IN AN AREA KNOWN TO BE
NONHAZARDOUS” and “USE IN ACCOR-
DANCE WITH INSTRUCTION MANUAL IM
1C0A11-01E”.
•
The battery used in BT200 must be as follows.
Manufacture
Model
Type
Voltage
DURACELL
MN1500
Alkaline-
1.5 V
(PC1500)
manganese
•
The instrument modification or parts replacement by
other than authorized representative of Yokogawa
Electric Corporation and Johnson Yokogawa
Corporation is prohibited and will void Canadian
Standard Association Intrinsic Safety Certification.
