Honeywell UMC800 manual Specifications, Controller Design, Module Configuration

Specifications

Introduction

The following tables contain electrical, physical, safety and performance specifications for the UMC800 controller.

Controller Design

Parameter

Controller

Description

CPU with two serial communication ports,* power supply, and backplane assembly. Capable of supporting up to 16 input /output modules.

*CPU option provides additional RS 485 communications with Modbus RTU protocol.

I/O Module Configuration

Component

Universal Analog Inputs

(Module ID 1)

Parameter

Input Types

Number of Inputs

Signal Source

Input Impedance

Input Isolation

Stray Rejection

Burnout

Description

mV, V, mA, T/C, RTD, Ohms

4 per module, up to 16 modules per controller (64 inputs)

Thermocouple with cold junction compensation Line resistance up to 1000 ohms, T/C, mV, mA, V

RTD Pt 100 ohms, 3-wire connections, 40 ohms balanced maximum

10 megohms for T/C and mV inputs; >1 megohm for volt inputs

400 Vdc point-to-point

3.75K Vac RMS A/D converter to logic

Series mode >60 dB. Common mode at 120 Vac >130 dB.

T/C, mV, V (except following ranges) configurable to upscale, downscale, or none.

Volt: –500 mV to 500 mV; –1 V to 1 V; –2 V to 2 V; –5 V to 5 V; 0 V to 10 V; –10 V to 10 V; inherent to zero volt

RTD: Inherent upscale

mA: Inherent downscale

T/C Break Detection

Via current pulse

Release E	UMC800 Controller Installation and User Guide	93
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