Specifications

WESTLOCK CONTROLS CORPORATION
280 MIDLAND AVENUE, SADDLE BROOK, NJ 07663 TEL: [phone] FAX: [phone]
www.westlockcontrols.com
1/12/10 TECH-439/D.W.O. 19024 Page 5 of 58
1. Introduction
1.1 Product Certification.
IEC Ex FMG
06.0002x
Ex ia IIC T4
II 1 G
Ex ia IIC T4
II 1G
FM09 ATEX 0028
II3 DT 75~C
nnnn
Ex ia IIC T4
CLASS I DIV 1 GROUP A, B, C, D
CLASS II DIV 1 GROUP E, F, G
NI CLASS I DIV 2 GROUP A, B, C, D
This product is designed for use in intrinsically safe systems when connected
through the correct barriers.
1.2 Warnings
 Never remove enclosure cover or make/break electrical connections
with power connected to the unit.
 Perform all wiring in accordance with site and local codes and the
National Electric Code ANSI-NFPA-70 (US) or the Canadian Electric
Code Part I (Canada) for the appropriate area classifications.
 Confirm that the ICOT model being installed is approved for the
hazardous area (consult unit identification label).
 Ensure that approved and properly sized IS barriers are used in
installations with IS approved ICOTS (confirm entity parameters from
product ID label).
 Confirm that power supplied to unit is within rated specifications listed
on the unit identification label.
 Protect the unit from exposure to aggressive substances or
atmospheres to ensure that hazard rating is not compromised.
 Disconnect power to and the inlet air supply before conducting any
service or maintenance. Avoid the introduction of any contaminants
into the manifold/valve assembly.
1.3 Description of ICoT Positioner.
The ICoT Smart Valve Positioner is an electro-pneumatic servo system that
continuously controls the position of a valve based on a 4 to 20 mA input signal.
The ICoT is an instrument that derives its power directly from a control systems
current loop. The instrument senses valve position via a non-contact Hall effect
sensor and controls valve position through a current to pressure transducer.