ASM GmbH

DAB-COM90-E-05

Tel.: 08123/986-0

Fax: 08123/986-500

www.asm-sensor.de

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Configurable Double Limit Switch COM 90

Double Limit Switch

General Description

This module contains two comparators and one or two relays for the

monitoring of analog signals from 0-400 mV, 0-10 V or 0-20 mA.

Input range and operating mode may be selected via DiL-switches.

Two switching thresholds with status LED’s, adjustment via a 12-

turn potentiometer

•

Choice of one or two relays with double-throw contacts

•

Selectable operating modes: limit switch, window comparator,

two-position controller

•

Adjustable hysteresis (standard) und time delay (Option).

•

Secure against short-circuits and terminal reversal, up to 40

VDC over-voltage at all inputs; fulfils all EMC-EC norms for

industrial environments (EN500082/IEC801).

Overview

For DIN-Rails

Type

Input

Supply

Config.

Features

COM 90-1

V, 0/4-20mA

21-30V

progr.

With one relay

COM 90-2

V, 0/4-20mA

21-30V

progr.

With two relays

General

These DIN-rail modules possess two front-plate potentiometers for the two thresholds and three status LEDs, input

values below “low” threshold, between “low” and “high” (window) and above “high”. The optional relay has tree

2.8mm flat connectors on the top of the module, for which corresponding screw terminal connectors are available

(type lmi 205 203 01).

Upon request, relay 2 can also be connected between screw terminals 5 and 6 (instead of the flat connectors). In

that case only two single contacts are available for each relay.