Otis Instruments OI-7432-X-32 Modbus Monitor

Availability: In stock
Product Type32 Channel Wired Modbus Gas Monitor
Power TypeWired Powered
Operating Voltage12V to 35V DC or 120V AC
Current Draw275 mA Maximum
Power Supply6.25A (150W), 85/264V AC to 24V DC (Optional)
Interface5 Push-Buttons (MENU, ADD, SUB, SCAN/HOLD, RESET/ESC)
Product CompatibilityGEN II Wired Sensors (OI-6000, OI-6000K)
Display Screen160x104 Resolution Graphical LCD Screen
Transflective (Sunlight Readable) with LED Backlight
Product Mounting4 Mounting Feet, 6 in. W x 12-1/4 in. T (Included)
Maximum Mounting Bolt/Screw Size: 5/16 in. (8mm) Diameter
Tamb Temperature Range-40°C to +70°C
Wired Modbus InputUp to 32 Individual OI-6000 Series Wired Gas Detectors  Using RS-485 Modbus
Relays4 Dry-Contact Relays with 4 Amp Replaceable Fuses
Fault Terminal
Option to Disable Alarm Relays
Latching and Non-Latching Relay Settings
Enclosure MaterialNEMA 4X Non-Explosion Proof Fiberglass Enclosure with Clear Window
Product Dimensions10 in. L x 8 in. W x 6 in. H (Max. Dimensions with Attachments)
Total Weight8.5 lbs.
Hardware Warranty1-Year, Limited
Part Number Formula01-7432-[Power)-32

The Otis Instruments OI-7432 Modbus ProSafe 4x32 is a 32-Channel Gas Controller that can communicate with up to 32 01-6000 Wired Gas Sensors through R485-Modbus communication. Four relays can be individually set up to the full scale gas reading and may be latching or non- latching. Used in conjunction with the OI-6000 Sensor Assembly allows for a quick and easy installation, providing a safer working environment.


  • 32 Channel Wired Modbus Monitor
  • 12 to 35 VDC Operating Voltage with an Optional AC Power Supply
  • Operating Temperature Range of -40°C to +70°C
  • Graphical LCD with LED Backlight
  • 5 Push-Button Interface (ADD, MENU, SUB, SCAN/HOLD and RESET/ESC)
  • Output Options: Wet Contact Fault Terminal, Relay 4 Can Optionally Be Configured as a Fault Relay, RS-485
  • 4 Individually Configurable Alarm Set-Points: Four Front Panel ALARM LED Indicators (Red); 4 Dry-Contact Relays (4 Amps Maximum per Relay)
  • NEMA 4X Standard Fiberglass Enclosure with Clear Window Enclosure with Clear Window
  • 1-Year Limited Hardware Warranty
  • Status LEDs for Power and Fault: Multi-Color Status Light; Amber Fault LED for Indicating System Faults

​Please refer to datasheet for more information