Instruction manual
Instruction Manual
D200354X012
4200 Transmitters
July 2013
48
Loop Schematics and Nameplates
This section includes loop schematics required for wiring of intrinsically safe installations. It also contains typical
approvals nameplates. If you have any questions, contact your Emerson Process Management sales office.
Figure 24. Fisher 4211 and 4221 CSA Schematic
GE16020
NOTES:
1. BARRIERS MUST BE CSA CERTIFIED WITH ENTITY PARAMETERS
AND ARE TO BE INSTALLED IN ACCORDANCE WITH THE
MANUFACTURER'S I.S. INSTALLATION INSTRUCTIONS.
2. EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH THE
CANADIAN ELECTRICAL CODE (CEC) PART I.
3. FOR ENTITY INSTALLATION: Vmax > Voc, Imax > Isc
Ci + Ccable < Ca, Li + Lcable < La
4211, 4221
Vmax = 30 VDC
Imax = 150 mA
Pi = 1.0 W
Ci = 5 nF
Li = 0 mH
CSA APPROVED BARRIER
SEE NOTE 3
HAZARDOUS LOCATION NON-HAZARDOUS LOCATION
I.S. CLASS I,II,III DIV 1, GROUPS A,B,C,D,E,F,G