Technical Specifications; Product Warranty - Johnson Controls IOM3721 Installation Manual

Technical specifications

Table 9: IOM3721 technical specifications
Product Code Number
Power Requirement
Power Consumption
Ambient Conditions
Addressing
Communications Bus
Processor
Memory
Input and Output Capabilities
Terminations
Mounting
Housing
Dimensions (Height x Width x Depth)
Weight
Compliance
The performance specifications are nominal and conform to acceptable industry standard. For application at
conditions beyond these specifications, consult the local Johnson Controls office. Johnson Controls shall not be
liable for damages resulting from misapplication or misuse of its products.

Product warranty

This product is covered by a limited
warranty, details of which can be found at
www.johnsoncontrols.com/buildingswarranty.
MS-IOM3721-x Input/Output Module
24 VAC (nominal, 20 VAC minimum/30 VAC maximum), 50/60 Hz, power supply Class 2
(North America), Safety Extra-Low Voltage (SELV) (Europe)
14 VA maximum
Operating: 0°C to 50°C (32°F to 122°F); 10% to 90% RH noncondensing
Storage: -40°C to 80°C (-40°F to 176°F); 5% to 95% RH noncondensing
DIP switch set; valid controller device addresses 4–127 (Device addresses 0–3 and 128–255
are reserved and not valid expansion module addresses.)
BACnet MS/TP, RS-485:
®
3-wire FC Bus between the supervisory controller and other controllers (for MS/TP bus
communications at 38,400 baud)
4-wire SA bus between expansion module, network sensors and other sensor/actuator
devices, includes a lead to source 15 VDC supply power (from expansion module) to bus
devices (for MS/TP bus communications at 38,400 baud)
H8SX/166xR Renesas 32-bit microcontroller
®
640 KB Flash Memory and 128 KB Random Access Memory (RAM)
16 - Binary Inputs: Defined as Dry Contact Maintained or Pulse Counter/Accumulator
Mode
Input: Fixed Screw Terminal Blocks
SA/FC Bus and Supply Power: 4-Wire and 3-Wire Pluggable Screw Terminal Blocks
Horizontal on single 35 mm DIN rail mount (preferred), or screw mount on flat surface
with three integral mounting clips on controller
Enclosure material: ABS and polycarbonate UL94 5VB; self-extinguishing, plenum-rated
Protection Class: IP20 (IEC529)
150 mm x 164 mm x 53 mm (5-7/8 in. x 6-1/2 in. x 2-1/8 in.) including terminals and
mounting clips
Note: Mounting space requires an additional 50 mm (2 in.) space on top, bottom
and front face of expansion module for easy cover removal, ventilation, and wire
terminations.
0.5 kg (1.1 lb)
United States: UL Listed, File E107041, CCN PAZX, UL 916, Energy Management
Equipment
FCC Compliant to CFR47, Part 15, Subpart B, Class A
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
BACnet International: BACnet Testing Laboratories (BTL) Protocol Revision 4 Listed
BACnet Application Specific Controller (B-ASC)
IOM3721 Expansion Input/Output Module Installation Guide 13