WESTLOCK CONTROLS CORPORATION
280 N. MIDLAND AVE., STE. 258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
www.westlockcontrols.com
10/5/2013
TECH-477/D.W.O. 21424
Page 40 of 206
the positioner in digital control mode
(network independent)
and therefore
allows override of the network setpoint control signal.
CLS
This function sets the valve to the fully de-energized position via the keypad
(Outlet Port 1 = 0 psi & Outlet Port 2 = Supply psi).
This function places
the positioner in digital control mode
(network independent)
and therefore
allows override of the network setpoint control signal.
6 Field Wiring
A) The certification applies to equipment without cable glands. When mounting the
enclosure in the hazardous areas, only suitably certified cable glands and blanking
elements must be used to maintain ingress protection of IP66.
B) All unused cable entries must be plugged with suitably certified plugs that can
maintain an ingress protection level of IP66.
C) The positioner, switches, sensors and coils shall be electrically connected suitable to
the rated data via a certified isolating interface/zener barrier placed outside the
hazardous areas.
D) For ambient temperatures below -10
°
C and above +60
~
C, use field wiring suitable for
both minimum and maximum ambient temperatures.
E) Electromagnetic compatibility (emissions and susceptibility) is guaranteed if, and
only if, the unit and all cables are shielded and grounded as illustrated in Appendix
E.
F) The ICoT PA was designed to be used according to the PA specifications. For more
details of how to setup the installation of the ICoT PA as well as any other PA device
please refer to the following standards:
IEC 61158-2: 2010, Fieldbus standard for use in industrial control systems –
Part 2: Physical Layer specification and service definition.
ISA dS50.02, Part 2 Amendment;
Fieldbus Standard for Use in Industrial
Control Systems - Part 2: Physical Layer
Specification and Service Definition,
Amendment to Clause 22 (Formerly
Clause 11 and 24).
1. Remove positioner cover.
2. Locate terminal strip and carefully disconnect (slide
off).
