Catalogs > Automation Systems Catalog > Programmable Controllers > FlexLogix System > 1794 FLEX and 1797 FLEX Ex I/O
1794 FLEX and 1797 FLEX Ex I/O
| Introduction |  |
1794 FLEX Digital I/O Modules | |
1794 FLEX Analog I/O Modules | |
1794 FLEX Counter Modules | |
1797 FLEX Ex Digital I/O Modules | |
1797 FLEX Ex Analog I/O Modules | |
1797 FLEX Counter Modules | |
| Cat. No. | Number of Inputs | Number of Outputs | Signal Range | Terminal Base Unit | FLEXBus Current (mA) | External DC Supply Current, Nom. | Power Dissipation, Max. |
| 1794-IE4XOE2 | 4 single-ended | 2 single-ended | 4…20 mA 0…20 mA ±10V 0…10V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS¬ | 20 mA | 70 mA @ 24V DC | 4.0 W @ 31.2V DC |
| 1794-IE8XOE4 | 8 single-ended | 4 single-ended | 4…20 mA (user configurable) 0…20 mA (user configurable) |
1794-TB3G or 1794-TB3GS | 80 mA | 140 mA @ 24V DC; 280 mA @ 10.0V DC | 3.0 W @ 31.2V DC; 2.3 W @ 24V DC; 2.0 W @ 10.0V DC |
| 1794-IF2XOF2I | 2 isolated | 2 isolated | 4…20 mA 0…20 mA ±20 mA ±10V 0…10V ±5V 0…5V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN¬ | 50 mA | 150 mA @ 24V DC | 3.3 W @ 31.2V DC |
| 1794-IE8 | 8 single-ended | — | 4…20 mA 0…20 mA ±10V 0…10V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS¬ | 20 mA | 60 mA @ 24V DC | 3 W @ 31.2V DC |
| 1794-IE8H | 8 single-ended, HART interface | — | 4…20 mA | 1794-TB3G or 1794-TB3GS | — | 295 mA @ 24V DC | 3.9 W |
| 1794-IE8K | 8 single-ended, conformally coated | — | 4…20 mA 0…20 mA ±10V 0…10V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS¬ | 20 mA | 60 mA @ 24V DC | 3 W @ 31.2V DC |
| 1794-IE12 | 12 single-ended | — | 4…20 mA (user configurable) 0…20 mA (user configurable) |
1794-TB3G or 1794-TB3GS | 80 mA | 30 mA @ 24V DC; 45 mA @ 10.0V DC | 1.2 W @ 31.2V DC; 1.1 W @ 24V DC; 0.9 W @ 10.0V DC |
| 1794-IF4I | 4 isolated | — | 4…20 mA 0…20 mA ±20 mA ±10V 0…10V ±5V 0…5V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN¬ | 50 mA | 80 mA @ 24V DC | 2.0 W @ 31.2V DC |
| 1794-IR8 | 8 single-ended, RTD | — | 1…433 W | 1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS¬ | 20 mA | 140 mA @ 24V DC | 3 W @ 31.2V DC |
| 1794-IRT8 | 8 single-ended, thermocouple or RTD | — | -40…+100 mV DC for thermocouples 0…325 mV DC for RTDs 0…500 W for resistance range |
1794-TB3G, 1794-TB3GS¬ | 40 mA | 85 mA @ 24V DC | 3 W @ 31.2V DC |
| 1794-IRT8K | 8 single-ended, thermocouple or RTD, conformally coated | — | -40…+100 mV DC for thermocouples 0…325 mV DC for RTDs 0…500 W for resistance range |
1794-TB3G, 1794-TB3GS¬ | 40 mA | 85 mA @ 24V DC | 3 W @ 31.2V DC |
| 1794-IT8 | 8 single-ended, thermocouple | — | ±76.5 mV | 1794-TB3T, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3TS¬ T | 20 mA | 150 mA @ 24V DC | 3 W @ 31.2V DC |
| 1794-OE4 | — | 4 single-ended | 4…20 mA 0…20 mA ±10V 0…10V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN¬ | 20 mA | 70 mA @ 24V DC‡ | 4.5 W @ 31.2V DC |
| 1794-OE4K | — | 4 single-ended, conformally coated | 4…20 mA 0…20 mA ±10V 0…10V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN¬ | 20 mA | 70 mA @ 24V DC‡ | 4.5 W @ 31.2V DC |
| 1794-OE8H | — | 4 single-ended, HART interface | 4…20 mA 0…20 mA |
1794-TB3G or 1794-TB3GS | — | 255 mA @ 24V DC | 6.1 W |
| 1794-OE12 | — | 12 single-ended | 4…20 mA 0…20 mA |
1794-TB3G or 1794-TB3GS | 80 mA | 320 mA @ 24V DC; 720 mA @ 10.0V DC | 4.0 W @ 31.2V DC; 4.3 W @ 24V DC; 4.0 W @ 10.0V DC |
| 1794-OF4I | — | 4 isolated | 4…20 mA 0…20 mA ±10V 0…10V ±5V 0…5V |
1794-TB3, 1794-TB2, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN¬ | 50 mA | 210 mA @ 24V DC | 4.7 W @ 31.2V DC |
| ¬ Recommended terminal base is in bold text. T You can use a 1794-TB2, 1794-TB3, or 1794-TB3S for mV inputs only. ‡ Not including outputs. |
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