Bulletin 1797 FLEX Ex™ Intrinsic Safety (IS) I/O provides flexibility for your hazardous application. Use FLEX Ex I/O with a FLEX Ex communication module installed in the hazardous area to gather data at its origin and transport it to the safe area with minimal wiring. Advanced diagnostics provide real-time status for easier troubleshooting.

Features

• Up to 16 I/O points per module
• Connect up to eight modules per assembly, for a maximum of 128 I/O
• Removal and Insertion Under Power (RIUP) lets you replace modules and make cable connections in the hazardous area while the system is in operation
• Each I/O module requires a terminal base for connection points for I/O wiring

Products
1797 FLEX Ex™ Digital I/O modules 

• 4…16 points per module
• Variety of AC and DC voltages: 65...276V AC or 10...60V DC
• Isolated inputs and outputs
• Diagnostics on some modules

1797 FLEX Ex Analog I/O modules 

• Configurable channels
• Selectable input filters
• On-board scaling
• HART (Highway Addressable Remote Transmitter) protocol support
• Thermocouple and RTD modules available

1797 FLEX Ex Specialty I/O modules

• Input frequency counter module available