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Emerson MultiFlex 88 User Manual

Emerson MultiFlex 88
36 pages
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026-1704 Rev 6 06-APR-10
MultiFlex I/O Board
Installation and
Operation Manual

Table of Contents

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Emerson MultiFlex 88 Specifications

General IconGeneral
Power Supply24 VDC
Agency ApprovalsCE
Input TypeAnalog
Output TypeAnalog/Digital
Humidity Range5% to 95% non-condensing

Summary

Mounting and Powering

Powering the MultiFlex

Guidance on powering MultiFlex boards from a 24VAC source.

Choosing Transformer Sizes

Criteria for selecting the appropriate transformer VA rating for MultiFlex.

MultiFlex 16 Power Wiring

Specific power wiring instructions for the MultiFlex 16 board.

MultiFlex Combination Input/Output Board Power Wiring

Power wiring procedures for MultiFlex Combination I/O boards.

New-Style MultiFlex Combination I/O Boards (with Isolated Power Supply)

Power wiring for new-style MultiFlex boards with isolated power supply.

Old-Style MultiFlex Combination I/O Boards (No Isolated Power Supply)

Power wiring for old-style MultiFlex boards without isolated power supply.

The I/O Network

Network ID Numbers

Assigning unique network ID numbers to boards for controller communication.

Numbering the MultiFlex 16

Procedure for setting network ID numbers for the MultiFlex 16.

Numbering for MultiFlex Combination I/O Boards

Guidelines for numbering MultiFlex Combination I/O boards.

Addressing the 168DO

Specifics on setting network ID addresses for the 168DO board.

Setting the Baud Rate

Configuring the communication baud rate using dip switches.

Setting the Terminating Resistance Jumpers

Properly setting termination jumpers for RS485 network segments.

I/O Board Input and Output Setup

The Inputs

General information on MultiFlex input compatibility and operation.

Connecting Sensors to Input Boards

Step-by-step instructions for wiring sensors to input points.

Wiring

Specifics on input point terminals and signal connections.

Input Wiring When Replacing 16AI or CIO/8IO Boards With MultiFlex

Guidance for wiring compatibility when replacing older input boards.

Sensor Wiring Types

Details on specific wiring types required for various sensors.

The Relay Outputs

Overview of the Form C relay contacts and their operation.

The MultiFlex Hand-Held Terminal Interface

Relay Output Test Mode

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