CRANE
CO.
280
N.
MIDLAND
AVE.,
STE
258,
SADDLE
BROOK,
NJ
07663
WWW.AVIDCONTROLS.COM
12/17/12
TECH-440/D.W.O. 23135
Page 51 of 55
Control Schematic for Wiring of Intrinsically safe SmartCal (WD-10836) for US & CANADA
(Sheet 3 of 4)
1. Associated apparatus manufacturer’s installation drawing must be followed when installing this equipment.
2. Control equipment connected to associated apparatus must not use or generate more than 250V.
3. To maintain intrinsic safety, each field wiring pair (4-20 mA and Analog Output) must be run in separate
cables or separate shields connected to intrinsically safe (Associated Apparatus) ground.
4. ROSEMOUNT
®
475 HART
®
COMMUNICATOR is NOT FMRC approved for use in Class II and III Hazardous
Locations.
5. For Class II and III locations where rigid metal conduit is not used, seal SmartCal cable entries against dust
and fibers using an appropriate NRTL listed cable gland fitting.
6. Installation should be in accordance with ANSI/ISA RP12.6 and the National Electrical Code (ANSI/NFPA 70).
* ROSEMOUNT
®
475 HART
®
COMMUNICATOR not used or used only on the INPUT side of associated
apparatus.
