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 | |
1794 FLEX Digital AC Input Modules
| Cat. No. | Number of Inputs | Voltage, On-State Input, Nom. | Operating Voltage Range | Default Signal Delay | Current, Off-State Input, Max. | Terminal Base Unit¬ | FLEXBus Current (mA) | Power Dissipation, Max. |
| 1794-IA8 | 8 | 120V AC | 85...132V AC | on = 8.6 ms off = 26.6 ms‡ |
2.9 mA | 1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD | 30 mA | 4.5 W @ 132V AC |
| 1794-IA8I | 8 individually isolated | 120V AC | 85...132V AC | on = 8.6 ms off = 26.6 ms‡ |
2.9 mA | 1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD | 30 mA | 4.5 W @ 132V AC |
| 1794-IA8K | 8 conformally coated | 120V AC | 85...132V AC | on = 8.6 ms off = 26.6 ms‡ |
2.9 mA | 1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S | 30 mA | 4.5 W @ 132V AC |
| 1794-IA16 | 16 | 120V AC | 74...132V AC | on = 7.5 ms off = 26.5 ms§ |
2.9 mA | 1794-TB3, 1794-TB3S, 1794-TBN T | 20 mA | 6.4 W @ 132V AC |
| 1794-IM8 | 8 | 220V AC | 159...264V AC | on = 7.5 ms off = 26.5 ms§ |
2.6 mA | 1794-TBN | 30 mA | 4.7 W @ 264V AC |
| ¬ Recommended terminal base is in bold text. T Auxiliary terminal strips are required when using the 1794-TBN for the 1794-OA16 and 1794-IA16. ‡ On = 8.6 ms by default. Selectable for 8.6, 9, 10, 12, 16, 24, 40, or 72 ms. Off = 26.6 ms by default. Selectable for 27, 28, 30, 34, 42, 58, or 90 ms. § On = 7.5 ms by default. Selectable for 8.6, 9, 10, 12, 16, 24.5, or 42 ms. Off = 26.5 ms by default. Selectable for 27, 28, 29, 31, 35, 44, or 60.5 ms. |
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1794 FLEX Digital AC Output Modules
| Cat. No. | Number of Outputs | Voltage, On-State Output, Nom. | Operating Voltage | Current per Output, Max. | Current per Module, Max. | Terminal Base Unit¬ | FLEXBus Current (mA) | Power Dissipation, Max. |
| 1794-OA8 | 8 | 120V AC | 85...132V AC | 750 mA @ 35 °C (95 °F) (5 mA minimum) |
4 A | 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN, 1794-TBKD | 80 mA | 4.1 W @ 0.5 A 6.3 W @ 0.75 A 6.3 W @ 1.0 A |
| 1794-OA8I | 8 individually isolated | 120V AC | 85...132V AC | 750 mA @ 35 °C (95 °F) (5 mA minimum) |
4 A | 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN, 1794-TBKD | 80 mA | 4.1 W @ 0.5 A 6.3 W @ 0.75 A 6.3 W @ 1.0 A |
| 1794-OA8K | 8 conformally coated | 120V AC | 85...132V AC | 750 mA @ 35 °C (95 °F) (5 mA minimum) |
4 A | 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN | 80 mA | 4.1 W @ 0.5 A 6.3 W @ 0.75 A 6.3 W @ 1.0 A |
| 1794-OA16 | 16 | 120V AC | 74...132V AC | 500 mA @ 35°C (95 °F) (50 mA minimum) |
4 A | 1794-TB3, 1794-TB2, 1794-TB3S, 1794-TBN, 1794-TBKDT | 80 mA | 4.7 W @ 0.5 A |
| 1794-OM8 | 8 | 220V AC | 159...264V AC | 500 mA @ 35°C (95 °F) (50 mA minimum) |
4 A | 1794-TBNF, 1794-TBN | 60 mA | 5 W @ 0.5 A |
| ¬ Recommended terminal base is in bold text. T Auxiliary terminal strips are required when using the 1794-TBN for the 1794-OA16 and 1794-IA16. |
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1794 FLEX Digital DC Input Modules
| Cat. No. | Number of Inputs | Voltage, On-State Input, Nom. | Voltage Category | Default Signal Delay | Current, Off-State Input, Max. | Terminal Base Unit¬ | FLEXBus Current (mA) | Power Dissipation, Max. |
| 1794-IB8 | 8 Sink | 24V DC | 19.2...31.2V DC | 256 ms | 1.5 mA | 1794-TB3, 1794-TB3S | 20 mA | 3.1 W @ 31.2V DC |
| 1794-IB16 | 16 Sink | 24V DC | 19.2...31.2V DC | 512 ms | 1.5 mA | 1794-TB3, 1794-TB3S | 30 mA | 6.1 W @ 31.2V DC |
| 1794-IB16D | 16 Sink | 24V DC | 19.2...31.2V DC | 512 ms | 1.5 mA | 1794-TB32, 1794-TB32S | 30 mA | 8.5 W @ 31.2V DC |
| 1794-IB16K | 16 Sink, conformally coated | 24V DC | 19.2...31.2V DC | 512 ms | 1.5 mA | 1794-TB3, 1794-TB3S | 30 mA | 6.1 W @ 31.2V DC |
| 1794-IB32 | 32 Sink, isolated in 2 groups of 16 | 24V DC | 19.2...31.2V DC | 0.25 ms | 1.5 mA | 1794-TB32, 1794-TB32S | 35 mA | 6.0 W @ 31.2V DC |
| 1794-IV16 | 16 Source | 24V DC | 19.2...31.2V DC | 256 ms | 1.5 mA | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBK | 30 mA | 5.7 W @ 31.2V DC |
| 1794-IC16 | 16 Sink | 48V DC | 30...60V DC | 256 ms | 1.5 mA | 1794-TB3, 1794-TB3S | 25 mA | 6.4 W @ 60V DC |
| ¬ Recommended terminal base is in bold text. | ||||||||
1794 FLEX Digital DC Output Modules
| Cat. No. | Number of Outputs | Voltage Category | Current per Output, Max. | Current per Module, Max. | Terminal Base Unit¬ | FLEXBus Current (mA) | External DC Supply Current, Nom. | Power Dissipation, Max. |
| 1794-OB8 | 8 Source | 19.2...31.2V DC | 500 mA | 4 A | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD | 60 mA | 25 mA @ 24V DC | 3.3 W @ 31.2V DC |
| 1794-OB8EP | 8 Source, electronically fused | 19.2...31.2V DC | 2 A | 10 A | 1794-TB3, 1794-TB2, 1794-TB3S, 1794-TBN, 1794-TBKD | 73 mA | 80 mA @ 24V DC | 5.5 W @ 31.2V DC |
| 1794-OB8EPK | 8 Source, electronically fused, conformally coated | 19.2...31.2V DC | 2 A | 10 A | 1794-TB3, 1794-TB2, 1794-TB3S, 1794-TBN | 73 mA | 80 mA @ 24V DC | 5.5 W @ 31.2V DC |
| 1794-OB16 | 16 Source | 19.2...31.2V DC | 500 mA | 8 A | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD | 80 mA | 49 mA @ 24V DC | 5.3 W @ 31.2V DC |
| 1794-OB16D | 16 Source | 19.2...31.2V DC | 500 mA | 8 A | 1794-TB3, 1794-TB3S, 1794-TBKD | 60 mA | — | 4.8 W @ 31.2V DC |
| 1794-OB16P | 16 Source, protected | 19.2...31.2V DC | 500 mA | 8 A | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD | 60 mA | 60 mA @ 24V DC | 5.0 W @ 31.2V DC |
| 1794-OB16PK | 16 Source, protected, conformally | 19.2...31.2V DC | 500 mA | 8 A | 1794-TB2, 1794-TB3, 1794-TB3S | 60 mA | 60 mA @ 24V DC | 5.0 W @ 31.2V DC |
| 1794-OB32P | 32 Source, protected, isolated in 2 groups of 16 | 31.2V DC | 500 mA | 14 A | 1794-TB32, 1794-TB32S | 80 mA | 215 mA @ 24V DC | 5.3 W @ 31.2V DC |
| 1794-OV16 | 16 Sink | 19.2...31.2V DC | 500 mA | 8 A | 1794-TB3, 1794-TB3S | 80 mA | 60 mA @ 24V DC | 4.2W @ 31.2V DC |
| 1794-OV16P | 16 Sink, protected | 19.2...31.2V DC | 500 mA | 8 A | 1794-TB3, 1794-TB3S | 80 mA | 49 mA @ 24V DC | 4.2 W @ 31.2V DC |
| 1794-OC16 | 16 Source | 30...60V DC | 500 mA | 8 A | 1794-TB3, 1794-TB2, 1794-TB3S, 1794-TBKD | 80 mA | 21 mA @ 24V DC | 3.7 W @ 60V DC |
| ¬ Recommended terminal base is in bold text. | ||||||||
1794 FLEX Digital DC Combination Input/Output Modules
| Cat. No. | Inputs |
Outputs |
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| Number of Inputs | Voltage, On-State Input, Nom. | Voltage Category | Default Signal Delay | Current, Off-State Input, Max. | Number of Outputs | Current per Output, Max. | Terminal Base Unit¬ | FLEXBus Current (mA) | External DC Supply Voltage, Nom. | Power Dissipation, Max. | |
| 1794-IB10XOB6 | 10 Sink | 24V DC | 19.2...31.2V DC | 0.25 ms | 1.5 mA | 6 Source | 200 mA | 1794-TB3, 1794-TB3S | 35 mA | 19 mA @ 24V DC | 6.0 W @ 31.2V DC |
| 1794-IB16XOB16P | 16 Sink | 24V DC | 10...31.2V DC | 0.25 ms | 1.5 mA | 16 Source, protected | 500 mA | 1794-TB32, TB32S | 80 mA | 28 mA @ 24V DC | 7.0 W @ 31.2V DC |
| ¬ Recommended terminal base is in bold text. | |||||||||||
1794 FLEX Digital Contact Output Modules
| Cat. No. | Number of Outputs | Voltage Category | Current per Output, Max. | Current per Module, Max. | Terminal Base Unit¬ | FLEXBus Current (mA) | External DC Supply Current Range | Power Dissipation, Max. |
| 1794-OW8 | 8 individually isolated, N.O. relay contact | 5…240V DC | 3 A @ 250V AC resistive | 16 A | 1794-TBNF, 1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD | 70 mA | 125 mA, max | 5.5 W @ 31.2V DC |
| ¬ Recommended terminal base is in bold text. | ||||||||