Instruction manual

Instruction Manual
D200354X012
4200 Transmitters
July 2013
49
Figure 25. Fisher 4211 and 4221 FM Schematic
GE16019-B
NOTES:
1. THE INSTALLATION MUST BE IN ACCORDANCE WITH THE NATIONAL ELECTRIC
 CODE (NEC), NFPA 70, ARTICLE 504 AND ANSI/ISA RP12.6.
2. THE CLASS 1, DIV 2 APPLICATIONS MUST BE INSTALLED AS SPECIFIED IN NEC
 ARTICLE 501‐4(B). EQUIPMENT AND FIELD WIRING IS NON‐INCENDIVE WHEN
 CONNECTED TO APPROVED BARRIERS WITH ENTITY PARAMETERS.
3. LOOPS MUST BE CONNECTED ACCORDING TO THE BARRIER MANUFACTURER'S
 INSTRUCTIONS.
4. MAXIMUM SAFE AREA VOLTAGE SHOULD NOT EXCEED 250 Vrms.
5. RESISTANCE BETWEEN BARRIER GROUND AND EARTH GROUND MUST BE LESS
 THAN ONE OHM.
6. FOR ENTITY INSTALLATION (I.S. AND N.I.):
    Vmax > Voc, or Vt Ci + Ccable < Ca
    Imax > Isc, or It Li + Lcable < La
    Pi > Po, or Pt
4211, 4221
Vmax = 30 VDC
Imax = 150 mA
Pi = 1.0 W
Ci = 18 nF
Li = 0 mH
FM APPROVED BARRIER
SEE NOTE 6
HAZARDOUS LOCATION NON-HAZARDOUS LOCATION
I.S. CLASS I,II,III DIV 1, GROUPS A,B,C,D,E,F,G
N.I. CLASS I, DIV 2, GROUPS A,B,C,D
THE APPARATUS ENCLOSURE CONTAINS ALUMINUM AND IS CONSIDERED
TO CONSTITUTE A POTENTIAL RISK OF IGNTION BY IMPACT AND FRICTION.
AVOID IMPACT AND FRICTION DURING INSTALLATION AND USE TO
PREVENT RISK OF IGNTION.
WARNING