PA-1001A1AP1W datasheet, PDF - EEWORLD Datasheet

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PA-1001A1AP1W: DescriptionSIGNAL CONDITIONER & CONVERTERS; File Size185KB，11 Pages; ManufacturerETC

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PA-1001A1AP1W Overview

SIGNAL CONDITIONER & CONVERTERS

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INSTALATION, OPERATION & MAINTENANCE

MANUAL

FOR

PA-1001A Series

SIGNAL CONDITIONER

& CONVERTORS

PA1001A – 7/02

Page 1 of 11

ENVIRONMENTAL:

•

OPERATING:

STORAGE:

-40°C TO 85°C

-40°C TO 150°C

ENCLOSURES:

•

Unit is intended for mounting in a conduit box and comes with 2 ½” on center mounting holes. An

optional explosion proof or NEMA-4x enclosure is available upon request.

APPROVALS:

•

EN50081-1:1992 Generic Emission Standard

•

EN50082-2:1995 Generic Immunity Requirements

•

CE compliant to EMC Directive 89/336/EECfor uses in residential, commercial, light or heavy

industrial environments.

INSTALLATION AND WIRING DETAILS:

In considering the interconnections between the PA1001A and the measurement system some

attention must be given to anticipated noise sources and to the coupling of these noise sources to the

interconnecting wiring.

Noise signals may be coupled into the wiring between the pickup coil, the PA1001A, and the

electronic measuring systems. In general, utilizing a shielded, twisted pair for the interconnection

greatly reduces this coupling. The shield should be grounded on both ends of the cable.

However, even with proper interconnecting cabling, cross talk with other signal lines or power lines

may still occur and should be avoided. Physical isolation of the wiring reduces the chance of

potential problems.

The pickup coil should not be located more than 100 feet from the PA1001A preamplifier. It is

recommended that the PA1001A be installed on or near the pickup coil to assure optimum

performance.

INSTALLATION:

The Model PA1001A should be placed in a convenient location that maintains access to the unit

should repairs or readjustment is required.

Connections to the terminal block should be carefully dressed to avoid having bare wires extend pass

the screw clamp on the terminal block. This is particularly important when the PC card is mounted

within an explosion proof enclosure. Wires should be neatly dressed near bottom of enclosure to

prevent problems when cover is installed.

For compliance with EMI/RFI requirements the pre-amplifier must be installed in a metal enclosure

such as a suitable NEMA 4 (e.g. GUAC) junction box. The enclosure must be properly grounded.

Also a grounding strap is required from the enclosure to the power supply common (pin 7).

The cable entry requires 360° grounding coverage to the enclosure case. This is obtained by using

twisted pair with full braid cable and a cable fitting that provides a metal to metal cable clamping

connection. The insulation of the cables should be stripped back to allow for connection to the

terminal block and allow for the cable fitting to clamp onto the braided shield. Any open areas should

then be covered using foil tape.

In hazardous locations where metal conduit is used, 360° grounding are achieved. All cable shields

should be terminated to the enclosure-grounding stud.

PA1001A – 7/02

Page 4 of 11

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