Johnson Controls IOM3733 - User Manual

IOM3733 Input/Output Module Installation
Guide
Application
The MS-IOM3733 input/output expansion module
is part of the Metasys
®
system Field Equipment
Controller family. Input/Output expansion modules
(IOMs) expand the number of input/output points
connected to either a Network Automation Engine
(NAE), Network Control Engine (NCE), Advanced
Application Field Equipment Controller (FAC), Field
Equipment Controller (FEC), or Variable Air Volume
Modular Assembly (VMA) to monitor and control a
wide variety of HVAC equipment.
Note: The IOM3733 model is only available
in certain regions. Contact your local Johnson
Controls representative for more information.
IOM expansion modules operate on an RS-485
BACnet
®
MS/TP bus and integrate into IOMs
communicate using the BACnet MS/TP protocol
when directly connected to the FC bus.
Note: With Release 10.1 and later of the
Controller Configuration Tool (CCT), VMAs, FECs,
and FACs can be configured to communicate
by using either the BACnet MS/TP or the N2
field bus networking protocol. The operation of
the IOM is not affected by the selection of the
BACnet MS/TP or the N2 protocol in the host
controller, when the IOM is connected to the
host controller using the SA bus.
North American emissions
compliance
United States
This equipment has been tested and found to
comply with the limits for a Class A digital device
pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection
against harmful interference when this equipment
is operated in a commercial environment. This
equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instruction manual, may cause
harmful interference to radio communications.
Operation of this equipment in a residential area
may cause harmful interference, in which case the
users will be required to correct the interference at
their own expense.
Canada
This Class (A) digital apparatus meets all the
requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la Classe (A) respecte
toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
Installation
Observe these guidelines when installing a
controller:
• Transport the controller in the original container
to minimize vibration and shock damage.
• Verify that all parts shipped with the controller.
• Do not drop the controller or subject it to physical
shock.
Parts included
• One controller with removable terminal blocks
• One installation instructions sheet
Materials and special tools needed
• Three fasteners appropriate for the mounting
surface (M4 screws or #8 screws)
• One 20 cm (8 in.) or longer piece of 35 mm DIN
rail and appropriate hardware for DIN rail mount
(only)
• Small straight-blade screwdriver for securing
wires in the terminal blocks
*24101431140D*
Part No. 24-10143-1140 Rev. D
2019-10-01
(barcode for factory use only)
MS-IOM3733

Johnson Controls IOM3733 Specifications

General

Product Type	I/O Module
Communication Protocol	BACnet MS/TP
Power Supply	24 VAC/VDC
Operating Temperature	-40 to 70°C (-40 to 158°F)
Mounting	DIN Rail
Supply Voltage	24 VAC/VDC

Summary

Application

Parts Included

Lists components provided with the expansion module.

Materials and Special Tools Needed

Details required tools and fasteners for installation.

Installation

Physical Features

Mounting

Guidelines for securely attaching the controller to surfaces or DIN rail.

DIN Rail Mount Applications

Step-by-step instructions for mounting on a 35 mm DIN rail.

Wall Mount Applications

Procedures for attaching the controller directly to a vertical surface.

Wiring

Safety Precautions

Important warnings regarding electrical shock and property damage during wiring.

Terminal Blocks and Bus Ports

Overview of connection points for I/O, SA/FC bus, and power.

Supply Power Terminal Block

Details for connecting the 24 VAC power supply to the module.

Terminal Wiring Guidelines

Input and Output Wiring

Guidelines for connecting inputs and outputs, including wire separation.

Cable Length Guidelines

Wire Size and Cable Length

Tables and figures for determining maximum cable lengths based on wire gauge and type.

Communication Bus and Supply Power Wiring

Wiring Requirements

Specific cable types and configurations for SA/FC bus and 24 VAC supply power.

Termination Details

Wiring Diagrams

Visual guides for connecting various input and output devices to the module.

Setup and Adjustments

Setting Device Address

Procedure for configuring the unique MS/TP bus address using DIP switches.

Removing Expansion Module Cover

Steps to safely detach the module's housing cover for access.

Setting End-of-Line (EOL) Switch

How to configure the EOL switch for bus termination.

Commissioning Controllers

Firmware Package File

Information on required software files for configuration and upgrades.

Troubleshooting

LED Status Indicators

Explains the meaning of status LEDs for diagnosing issues.

Repair Information

Controller Replacement

Guidance on replacing a faulty controller unit.

Accessories

Ordering Information

Product codes and descriptions for related accessories and software.

Technical Specifications

Product Specifications

Detailed technical data including power, dimensions, and environmental limits.

Product Warranty

Warranty Details

Information on the limited warranty for the product.

Single Point of Contact

Contact Information

Regional contact details for Johnson Controls support and locations.