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IOM3721 Input/Output Module Installation Instructions
Part No. 24-10144-130, Rev. D
MS-IOM3721
Software Release 6.0
Issued January 30, 2013
Supersedes May 25, 2012
Refer to the
for the most up-to-date version of this document.
Application
The IOM3721 field controller is a part of the Metasys
®
system Field Equipment Controller family.
Input/Output
Module (IOM)
field controllers expand the number of
points connected to an
Network Automation Engine
(NAE)
,
Network Control Engine (NCE)
,
Field Equipment
Controller (FEC)
, or
Advanced Application Field
Equipment Controller (FAC)
to monitor and control a wide
variety of Heating, Ventilating, and Air Conditioning
(HVAC) equipment.
IOM field controllers operate on an RS-485 BACnet
®
Master-Slave/Token-Passing (MS/TP) Bus as BACnet
Application Specific Controllers (B-ASCs) and integrate
into the Web-based Metasys system.
Important:
In Metasys system smoke control
applications, use only the MS-IOM3710-0U
models that are UL Listed, UUKL/UUKLC
864 Listed, Smoke Control Equipment. For
Metasys system smoke control applications,
you must refer to the
Metasys System UL
864 Ninth Edition UUKL/UUKL7 Smoke
Control System Technical Bulletin
(LIT-12011252)
for detailed requirements
and procedures for installing and operating
UUKL/UUKLC 864 Listed Metasys system
devices. Failure to meet the requirements
or follow the procedures in the
Metasys
System UL 864 Ninth Edition UUKL/UUKL7
Smoke Control System Technical Bulletin
(LIT-12011252)
can void the UUKL/UUKLC
864 listing for Smoke Control Equipment.
North American Emissions
Compliance
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.
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 is likely to cause
harmful interference, in which case the user will be
required to correct the interference at his/her own
expense.
Installation
Observe these guidelines when installing a field 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 field controller with removable terminal blocks
(Power, SA, and 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
Mounting
Observe these guidelines when mounting a field
controller:
•
Ensure the mounting surface can support the
controller, DIN rail, and any user-supplied enclosure.
•
Mount the controller horizontally on 35 mm DIN rail
whenever possible.
•
Mount the controller in the proper mounting position
(
1
IOM3721 Input/Output Module Installation Instructions