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Emerson MultiFlex Series User Manual

Emerson MultiFlex Series
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 Series Specifications

General IconGeneral
MountingDIN Rail
Power Supply24V DC
Storage Temperature-40°C to 85°C
Humidity5% to 95% non-condensing
Isolation Voltage1500V AC
CertificationsCE, UL

Summary

Overview of the MultiFlex Product Line

MultiFlex 16 Input Board

Details the MultiFlex 16 input board with its sixteen analog/digital input points.

MultiFlex Combination Input/Output Boards

Covers boards combining digital/analog inputs with relay, digital, and analog outputs.

Other Boards in the MultiFlex Family

Introduces other specialized MultiFlex boards like RTU, RCB, CUB, and PAK.

Mounting and Powering

Snap-Track Installation

Explains the procedure for installing MultiFlex boards using snap-track mounting.

The Plug-In Output Board

Describes the plug-in output boards and their relation to base boards.

Powering the MultiFlex

Details the 24VAC power requirements and compatible transformers for MultiFlex boards.

Choosing Transformer Sizes

Guidance on selecting appropriate transformer VA ratings for MultiFlex devices.

MultiFlex 16 Power Wiring

Specific wiring instructions for powering the MultiFlex 16 board.

MultiFlex Combination Input/Output Board Power Wiring

Power wiring for combination I/O boards, differentiating new vs. old styles.

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

Wiring instructions for new-style combination I/O boards with isolated power.

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

Wiring instructions for old-style combination I/O boards without isolated power.

Wire Types and Maximum Distances

Specifies recommended wire types and maximum lengths for powering I/O boards.

The I/O Network

Wire Types

Details the recommended wire types for RS485 I/O network wiring.

Network Configuration (Daisy Chains)

Explains how to configure the RS485 network using a daisy-chain topology.

Maximum # of Boards on a Daisy Chain

Determines the maximum number of MultiFlex boards that can be daisy-chained.

Network ID Numbers

Assigning unique network ID numbers to boards for controller identification.

Numbering the MultiFlex 16

Instructions for setting network ID numbers for the MultiFlex 16 board.

Numbering for MultiFlex Combination I/O Boards

Guidelines for assigning network IDs to various MultiFlex combination I/O board models.

Addressing the 168DO

Specific instructions for setting network ID numbers for the 168DO board.

Setting the Baud Rate

How to set the communication baud rate using dip switches.

Setting the Terminating Resistance Jumpers

Configuring termination jumpers for RS485 network segments.

I/O Board Input and Output Setup

The Inputs

Covers connecting sensors, input wiring, and sensor types for MultiFlex inputs.

Connecting Sensors to Input Boards

Step-by-step guide for wiring sensors to MultiFlex input points.

Wiring

Details the wiring for sensor signal and ground connections to input points.

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

Instructions for wiring when replacing older CPC input boards with MultiFlex.

Sensor Wiring Types

Specifies wiring types required for various sensors used with MultiFlex.

Input Type Dip Switches

How to set input type dip switches based on sensor requirements.

Pulse Type Inputs

Connecting pulse accumulation inputs to MultiFlex boards.

Power Connection

Details the DC power sources (+12VDC, +5VDC) available on the MultiFlex board.

Current Ratings for On-Board Power Sources

Specifies current limits for the on-board DC power sources.

Powering Sensors Requiring 24VAC Off the Power Transformer

How to power sensors requiring 24VAC from the board's connection.

Sensor Types for MultiFlex Input Points

Guidance on sensor types and controller compatibility for MultiFlex inputs.

The Relay Outputs

Describes the Form C relay contacts and their wiring and fail-safe settings.

Output Fail-Safe Dip Switches

Configuration of fail-safe dip switches for relay output behavior.

Relay Output Ratings and Fuse Protection

Specifies the ratings and fuse protection for MultiFlex relay outputs.

The Analog Outputs

Details the 0V to +10VDC analog outputs, their current limits, and functionality.

The Digital Outputs

Describes the +8VDC digital outputs on the 168DO board, including their rating.

Board Status LEDs

Status LED

Indicates board power and operational status through a blinking green LED.

Tx and Rx LEDs

Shows network communication activity, indicating data transmission and reception.

Code A and Code B LEDs

Indicates failure conditions with blinking rates signifying specific errors.

Relay Output LEDs

Shows the ON/OFF status of individual relay outputs on the board.

The MultiFlex Hand-Held Terminal Interface

MultiFlex I/O Board Hand-Held Terminal Screens

Overview of screens and functions accessible via the HHT.

Navigation

Explains how to navigate through the HHT interface screens and menus.

Opening Screen

Details the information displayed on the HHT's initial opening screen.

Board Address

Displays current network address settings for various board types.

Settings

Shows baud rate and pulse settings, not modifiable via HHT.

Input/Output Select Menu

Menu to select viewing or configuring inputs, relay outputs, or analog outputs.

Input Screens

Allows viewing input status in volts, engineering units, or configuring input types.

Input Status/Config Menu

Menu to choose between viewing input status or configuring input settings.

Status-Volts

Displays current input voltage values for up to four inputs.

Status-Eng Units

Shows input status in designated engineering units.

Input Config

Specifies sensor types and engineering units for input points.

Relay Output Screens

Displays the ON/OFF status of relay outputs and allows temporary overrides.

Analog Output Screens

Shows current analog output voltage and allows temporary overrides.

Analog Status/Override

Displays analog output voltage and enables temporary output value overrides.

Analog Fail-Safes

Sets fail-safe values for analog outputs when communication is lost.

Digital Status (PWM)

Shows the current pulse percentage for digital outputs on the 168DO.

Digital Period Status

Displays the pulse period in seconds for digital outputs on the 168DO.

Config Fail % Screen

Sets the default percentage for digital outputs during communication loss.

Relay Output Test Mode

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