Spectrum Controls 1762sc-IF8U - Manual (Page 4)

MicroLogix™ Universal Analog Input Module 4
Publication 0100151-02 Rev. B
Installation
1762 I/O is suitable for use in an industrial environment when installed in
accordance with these instructions. Specifically, this equipment is
intended for use in clean, dry environments (Pollution degree 2
(1)
) and to
circuits not exceeding Over Voltage Category II
(2)
(IEC 60664-1).
(3)
Prevent Electrostatic Discharge
Electrostatic discharge can damage integrated
circuits or semiconductors if you touch bus connector
pins. Follow these guidelines when you handle the
module:
 Touch a grounded object to discharge static
potential.
 Wear an approved wrist-strap grounding
device.
 Do not touch the bus connector or connector
pins.
 Do not touch circuit components inside the
module.
 If available, use a static-safe work station.
 When not in use, keep the module in its
static-shield box.
(1) Pollution Degree 2 is an environment where, normally, only non-conductive pollution
occurs except that occasionally a temporary conductivity caused by condensation shall be
expected.
(2) Over Voltage Category II is the load level section of the electrical distribution system. At
this level transient voltages are controlled and do not exceed the impulse voltage capability
of the product’s insulation.
(3) Pollution Degree 2 and Over Voltage Category II are International Electrotechnical
Commission (IEC) designations.
MicroLogix™ Universal Analog Input Module 21
Publication 0100151-02 Rev. B
Hazardous Location Considerations
This equipment is suitable for use in Class I, Division 2, Groups A, B, C,
D or non-hazardous locations only. The following WARNING statement
applies to use in hazardous locations.
EXPLOSION HAZARD
 Substitution of components may impair
suitability for Class I, Division 2.
 Do not replace components or disconnect
equipment or change the current switch
selection switch position unless power has
been switched off.
 Do not disconnect equipment unless power
has been removed or the area is known to
be non-hazardous.
 This product must be installed in an
enclosure.
 In Class I, Division 2 applications, the bus
connector must be fully seated and the
bus connector cover must be snapped in
place.
 In Class I, Division 2 applications, all
modules must be mounted in direct
contact with each other as shown on page
6. If DIN rail mounting is used, an end
stop must be installed ahead of the
controller and after the last 1762 I/O
module.
 All wiring must comply with N.E.C. article
501-4(b).