The Otis Instruments OI-7420 ProSafe 4x2 Controller is a wired monitor that supports up to 2 individual 4-20 mA wired sensor assemblies. Four relays can be individually set up to the full scale of the channel and may be set to either latching or non-latching. Compatible with any wired device with a 4-20 mA output, allowing more than just gas detection to be displayed and monitored for a safer working environment.
Specification
OI-7420-X-2 Wired Monitor
Relays
4 Dry-Contact Relays with 4 Amp Replaceable Fuses,
Fault Terminal, Option to Disable Alarm Relays,
Latching and Non-Latching Relay Settings,
Individual Set Per Channel
Protection
Power EMI Filter,
4-20 mA Surge Suppression,
RS-485 and RS-232 Surge Suppression
Display Screen
160x104 Resolution Graphical LCD Screen
Transflective (Sunlight Readable) with LED Backlight
Product Compatibility
Any Otis Wired Sensor (01-617, 01-675, 01-6000, 01-6000K),
3rd Party Wired (Analog) Sensors
Part Number Formula
OI-7420-[Power]-2
0I-7420-X-2
Product Mounting
4 Mounting Feet, 6 in. W x 12-1/4 in. T (included),
Maximum Mounting Bolt/Screw Size of 5/16 in. (8mm) Diameter
Product Type
2 Channel Wired Gas Monitor
Power Type
Wired Powered
Operating Voltage
12V to 35V DC or 120V AC
Current Draw
225 mA Maximum
Power Supply
3.125A (150W), 85/264V AC to 24V DC (Optional)
Output (Digital)
RS-485 Modbus
Interface
4 Push-Buttons (MENU, ADD, SUB, and RESET/ESC)
Temperature Range
-40°C to +70°C
Wired (Analog) Input
Up to 2 Wired 4-20mA (Analog) Inputs
Enclosure Material
NEMA 4X Fiberglass Enclosure with Clear Window
Product Dimensions
8 in. L x 8 in. W x 4 in. H (Max. Dimensions with Attachments)
Total Weight
8.5 lbs.
Hardware Warranty
1-Year, Limited
Please refer to datasheet for more information
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