Johnson Controls IOM3733 Installation Manual
Johnson Controls IOM3733 Installation Manual

Johnson Controls IOM3733 Installation Manual

Input/output module
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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 General Purpose
Controller(CGM), VAV Box Controllers (CVM), SNC,
SNE, 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
IOM3733 Input/Output Module Installation Guide
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 an
expansion module:
• Transport the expansion module in the original
container to minimize vibration and shock
damage.
• Verify that all parts shipped with the expansion
module.
• Do not drop the expansion module or subject it
to physical shock.
Parts included
• One MS-IOM expansion module with removable
terminal blocks (Power and SA/FC bus are
removable)
• 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
*24101431140E*
Part No. 24-10143-1140 Rev. E
2020-10-30
(barcode for factory use only)
MS-IOM3733

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Summary of Contents for Johnson Controls IOM3733

  • Page 1 Assembly (VMA) to monitor and control a wide variety of HVAC equipment. Observe these guidelines when installing an Note: The IOM3733 model is only available expansion module: in certain regions. Contact your local Johnson • Transport the expansion module in the original Controls representative for more information.
  • Page 2: Physical Features

    The following figure displays the physical features of the IOM, and the accompanying table provides a Figure 1: IOM3733 physical features Table 1: IOM3733 feature callouts and • Mount the expansion module horizontally on descriptions 35 mm DIN rail whenever possible.
  • Page 3: Din Rail Mount Applications

    To remove the expansion module from the DIN rail, pull the bottom mounting clips out to the extended position and carefully lift the expansion module off the DIN rail. Wall mount applications About this task: IOM3733 Input/Output Module Installation Guide...
  • Page 4 SA/FC bus terminal block An IOM can be connected to an SA bus or an FC bus, but not to both buses simultaneously. The SA/FC IOM3733 Input/Output Module Installation Guide...
  • Page 5 Powering network devices with uniform 24 VAC supply power phasing reduces noise, interference, and ground loop problems. The expansion module does not require an earth ground connection. IOM3733 Input/Output Module Installation Guide...
  • Page 6 • Inputs or outputs with cables less than 30 m (100 ft) typically do not require an offset in the software setup. Cable runs over 30 m (100 ft) may require an offset in the input/output software setup. IOM3733 Input/Output Module Installation Guide...
  • Page 7 I/O terminal blocks, ratings, and requirements table Table 2: IOM3733 terminal blocks, functions, ratings, requirements, and cables Terminal Determine wire size and Terminal block label Function, ratings, requirements label maximum cable length Binary Input - Dry Contact Maintained Mode 0.01 second minimum pulse width...
  • Page 8 (Maximum total current draw for SA Bus is 100 mA.) 24 VAC Power Supply - Hot 0.8 mm to 1.0 mm Supplies 20–30 VAC (Nominal 24 VAC) (18 AWG) 2-wire 24 VAC Power Supply - Common IOM3733 Input/Output Module Installation Guide...
  • Page 9 Note: The SA Bus and FC Bus wiring recommendations in this table are for MS/ TP bus at 38,400 baud. For more information, refer to the MS/TP Communications Bus Technical Bulletin (LIT-12011034). IOM3733 Input/Output Module Installation Guide...
  • Page 10: Termination Details

    Termination details See the figures in this section for the applicable termination diagrams. A set of Johnson Controls termination diagrams provides details for wiring inputs and outputs. Table 5: Termination details Type of device Type of Input/Output Termination diagrams Dry Contact (Binary Input) BI...
  • Page 11: Setup And Adjustments

    Set all of the switches on the address DIP The following table describes the FC bus and SA switch block (128 through 1) to OFF. bus device addresses for Johnson Controls MS/TP communications bus applications. Set one or more of the seven address switches...
  • Page 12 CCT. For additional information about the firmware package files, refer to the CCT Installation Instructions (LIT-12011259). To set the EOL switch, complete the following steps: IOM3733 Input/Output Module Installation Guide...
  • Page 13 Blink - 2 Hz supported) On Steady = Communication lost; waiting to join communication ring Off (Except on On Steady = EOL switch in ON position Amber terminating Off Steady = EOL switch in Off position devices) IOM3733 Input/Output Module Installation Guide...
  • Page 14 AP-TBK4SA-0 Replacement SA Bus Terminal Blocks, 4-Position, Brown, Bulk Pack of 10 AP-TBK4FC-0 Replacement FC Bus Terminal Blocks, 4-Position, Blue, Bulk Pack of 10 AP-TBK3PW-0 Replacement Power Terminal Blocks, 3-Position, Gray, Bulk Pack of 10 IOM3733 Input/Output Module Installation Guide...
  • Page 15: Technical Specifications

    Canada: UL Listed, File E107041, CCN PAZX7 CAN/CSA C22.2 No. 205, Signal Equipment Industry Canada Compliant, ICES-003 Europe: Johnson Controls declares that this product is in compliance with the essential requirements and other relevant provisions of the EMC Directive. Australia and New Zealand: RCM Mark, Australia/NZ Emissions Compliant...
  • Page 16: Repair Information

    CHINA Contact information Contact your local branch office: www.johnsoncontrols.com/locations Contact Johnson Controls: www.johnsoncontrols.com/contact-us © 2020 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision and are subject to change without notice. www.johnsoncontrols.com...

This manual is also suitable for:

Ms-iom3733Ms-iom3733-0

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