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Johnson Controls MS-IOM3721-0 16-Point Input Output Expansion Module for Metasys Building Automation
- Regular price
- $947.00
- Sale price
- $947.00
- Regular price
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Product Description P/N: MS-IOM3721-0
Description
The Johnson Controls MS-IOM3721-0 is a 16-point Input/Output Expansion Module designed to increase the binary input capacity of Metasys building automation systems. The module provides sixteen binary inputs for monitoring switches, contacts, alarms, and pulse-count devices while communicating over the BACnet MS/TP network through the FC Bus and SA Bus. The MS-IOM3721-0 is engineered for reliable expansion of HVAC and facility control systems in commercial buildings.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Johnson Controls |
| Category | PLCs/Machine Control |
| Part Number | MS-IOM3721-0 |
| Subcategory | PLC Module/Rack |
| Product Type | Input/Output Expansion Module |
| Series | IOM37 Series |
| Input Capacity | 16 Binary Inputs |
| Input Type | Dry Contact or Pulse Counter |
| Supply Voltage | 24 VAC Nominal (20–30 VAC), 50/60 Hz |
| Power Consumption | 14 VA Maximum |
| Communication Protocol | BACnet MS/TP |
| Communication Interface | FC Bus and SA Bus (RS-485) |
| Address Configuration | DIP Switch Block |
| Status Indication | LED Indicators |
| Processor | Renesas H8SX/166xR 32-Bit Microcontroller |
| Memory | 640 KB Flash Memory, 128 KB RAM |
| Electrical Termination | Fixed and Pluggable Screw Terminal Blocks |
| Mounting | 35 mm DIN Rail or Panel Mount |
| Weight | 0.54 kg |
Information About MS-IOM3721-0
The MS-IOM3721-0 is part of the Johnson Controls IOM37 Series of expansion modules developed for the Metasys Field Equipment Controller family. It is designed to work with Network Automation Engines (NAE), Network Control Engines (NCE), Field Equipment Controllers (FEC), Advanced Application Field Equipment Controllers (FAC), and Variable Air Volume Modular Assembly (VMA) controllers to expand binary input capacity. The module communicates using BACnet MS/TP over the RS-485 FC Bus and SA Bus while utilizing a 32-bit Renesas microcontroller and onboard Flash memory for dependable operation. A built-in DIP switch block simplifies device addressing, and LED status indicators provide clear diagnostics during commissioning and maintenance.
Key Features:
- 16 Binary Inputs: Provides sixteen dry-contact or pulse counter inputs for field device monitoring.
- BACnet MS/TP Communication: Integrates with Metasys controllers through the FC Bus and SA Bus.
- DIP Switch Addressing: Allows quick configuration of controller network addresses.
- LED Status Indicators: Provide visual diagnostics for power, communication, and module status.
- 24 VAC Operation: Operates from a standard Class 2 24 VAC power source.
- High-Performance Processor: Utilizes a Renesas 32-bit microcontroller for reliable field operation.
- Flexible Installation: Supports DIN rail or panel mounting with pluggable screw terminal connections.
- Building Automation Integration: Compatible with FEC, FAC, VMA, NAE, and NCE controllers.
The MS-IOM3721-0 delivers the reliability and precision required for expanding binary input capacity in commercial HVAC and building automation systems.
Description
The Johnson Controls MS-IOM3721-0 is a 16-point Input/Output Expansion Module designed to increase the binary input capacity of Metasys building automation systems. The module provides sixteen binary inputs for monitoring switches, contacts, alarms, and pulse-count devices while communicating over the BACnet MS/TP network through the FC Bus and SA Bus. The MS-IOM3721-0 is engineered for reliable expansion of HVAC and facility control systems in commercial buildings.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Johnson Controls |
| Category | PLCs/Machine Control |
| Part Number | MS-IOM3721-0 |
| Subcategory | PLC Module/Rack |
| Product Type | Input/Output Expansion Module |
| Series | IOM37 Series |
| Input Capacity | 16 Binary Inputs |
| Input Type | Dry Contact or Pulse Counter |
| Supply Voltage | 24 VAC Nominal (20–30 VAC), 50/60 Hz |
| Power Consumption | 14 VA Maximum |
| Communication Protocol | BACnet MS/TP |
| Communication Interface | FC Bus and SA Bus (RS-485) |
| Address Configuration | DIP Switch Block |
| Status Indication | LED Indicators |
| Processor | Renesas H8SX/166xR 32-Bit Microcontroller |
| Memory | 640 KB Flash Memory, 128 KB RAM |
| Electrical Termination | Fixed and Pluggable Screw Terminal Blocks |
| Mounting | 35 mm DIN Rail or Panel Mount |
| Weight | 0.54 kg |
Information About MS-IOM3721-0
The MS-IOM3721-0 is part of the Johnson Controls IOM37 Series of expansion modules developed for the Metasys Field Equipment Controller family. It is designed to work with Network Automation Engines (NAE), Network Control Engines (NCE), Field Equipment Controllers (FEC), Advanced Application Field Equipment Controllers (FAC), and Variable Air Volume Modular Assembly (VMA) controllers to expand binary input capacity. The module communicates using BACnet MS/TP over the RS-485 FC Bus and SA Bus while utilizing a 32-bit Renesas microcontroller and onboard Flash memory for dependable operation. A built-in DIP switch block simplifies device addressing, and LED status indicators provide clear diagnostics during commissioning and maintenance.
Key Features:
- 16 Binary Inputs: Provides sixteen dry-contact or pulse counter inputs for field device monitoring.
- BACnet MS/TP Communication: Integrates with Metasys controllers through the FC Bus and SA Bus.
- DIP Switch Addressing: Allows quick configuration of controller network addresses.
- LED Status Indicators: Provide visual diagnostics for power, communication, and module status.
- 24 VAC Operation: Operates from a standard Class 2 24 VAC power source.
- High-Performance Processor: Utilizes a Renesas 32-bit microcontroller for reliable field operation.
- Flexible Installation: Supports DIN rail or panel mounting with pluggable screw terminal connections.
- Building Automation Integration: Compatible with FEC, FAC, VMA, NAE, and NCE controllers.
The MS-IOM3721-0 delivers the reliability and precision required for expanding binary input capacity in commercial HVAC and building automation systems.
