OI-7432 ProSafe 4x32
The Otis Instruments, Inc. Gen II ProSafe 4×32 Model OI-7432 is a 32-channel gas monitor that functions as a transmission controller.
The OI-7432 monitors toxic, combustible and oxygen gas levels in ambient air by receiving and displaying RS-485 Modbus signals from up to 32 OI-6000 sensor assemblies. The OI-7432 features a 160×104 graphical LCD display and is equipped with four “dry contact” (Form C) 5 Amp alarm relays (with 4 Amp fuses) that are full-scale adjustable.
The OI-7432 operates with either 12-35 Volts DC or 110/240 Volts AC power-in and includes a Modbus output with optional real-time monitoring software.
Operating Voltage: 12V to 35V DC or 120V AC
Tamb Temperature Range: -40°C to +70°C
Channel Options: 32
Input Signal: RS-485 Modbus
Output (Int. Alm. Pwr):
• +12-35 VDC (Fault Indicator)
• RS-485 Modbus
Current Draw: 250 mA at 12 VDC
Protection:
• Power EMI filter & surge protection
• 4-20mA & RS-485 surge protection
Display:
• Graphical LCD (160×104)
• Transflective, sunlight readable
• LED backlight
Relays: Four Dry-Contact (5 Amp) with 4 Amp fuses
Enclosure: Stahlin 10x8x6 fiberglass with clear window
Certifications: NEMA 4 (enclosure only)
Warranty: Hardware: One year (limited)
Power: AC, DC
Channels: 32
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| OI-7432-FP-KIT | OI-7432 Faceplate Kit with Faceplate, Silkscreen, (2) Thumbscrews, Screen Foam |
| OI-7432-PCA-KIT | OI-7432 Control Board, includes LCD Screen |
| OI-7010-BP | Backplane for 10x8x6 Fiberglass Enclosure |