Catalogs > Automation Systems Catalog > Programmable Controllers > ControlLogix System > I/O Modules
I/O Modules
| Introduction |  |
Environmentals and Certifications | |
Digital I/O Modules | |
Analog I/O Modules | |
Specialty I/O Modules | |
Accessories—I/O Modules | |
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The 1756 analog I/O modules support these features.
- On-board data alarming
- Scaling to engineering units
- Real-time channel sampling
- Data Format: Integer mode (left justified, 2s complement) IEEE 32-bit floating point
- Module conversion method: Sigma-Delta
- Module keying: Electronic software configurable
- RTB keying: User-defined mechanical
Analog Input Modules
Specifications [PDF]
| Cat. No. | Inputs/Outputs | Range | Resolution | Removable Terminal Block |
| 1756-IF6CIS | 6 individually isolated inputs, current sourcing | 0…21 mA | 16 bits 0.34 mA/bit |
1756-TBNH 1756-TBSH |
| 1756-IF6I | 6 individually isolated inputs | ±10.5V 0…10.5V 0…5.25V 0…21 mA |
16 bits 10.5V: 343 mV/bit 0…10.5V: 171 mV/bit 0…5.25V: 86 mV/bit 0…21 mA: 0.34 mA/bit |
1756-TBNH 1756-TBSH |
| 1756-IF8 | 8 single-ended inputs 4 differential inputs 2 high-speed differential inputs |
±10.25V 0...10.25V 0...5.125V 0…20.5 mA |
±10.25V: 320 mV/cnt (15 bits + sign bipolar) 0…10.25V: 160 mV/cnt (16 bits) 0…5.125V: 80 mV/cnt (16 bits) 0…20.5 mA: 0.32 mA/cnt (16 bits) |
1756-TBCH 1756-TBS6H |
| 1756-IF8H | 8 differential voltage or current inputs, HART interface | ±10V 0...5V 1…5V 0...10V 0…20 mA 4…20 mA |
16…21 bits | 1756-TBCH 1756-TBS6H |
| 1756-IF16 | 16 single-ended inputs 8 differential or 4 differential (high speed) inputs |
±10.5V 0…10.5V 0…5.25V 0…21 mA |
16 bits 10.5V: 343 mV/bit 0…10.5V: 171 mV/bit 0…5.25V: 86 mV/bit 0…21 mA: 0.34 mA/bit |
1756-TBCH 1756-TBS6H |
Analog RTD and Thermocouple Modules
Specifications [PDF]
| Cat. No. | Inputs/Outputs | Range | Resolution | Removable Terminal Block |
| 1756-IR6I | 6 individually isolated RTD inputs | 1…487 W 2…1000 W 4…2000 W 8…4020 W |
16 bits 1…487 W: 7.7 mW/bit 2…1000 W: 15 mW/bit 4…2000 W: 30 mW/bit 8…4020 W: 60 mW/bit |
1756-TBNH 1756-TBSH |
| 1756-IT6I | 6 individually isolated thermocouple inputs 1 CJC |
-12…78 mV -12…30 mV |
16 bits -12...78 mV: 1.4 mV/bit -12...30 mV: 0.7 mV/bit |
1756-TBNH 1756-TBSH |
| 1756-IT6I2 | 6 individually isolated thermocouple inputs 2 CJC |
-12…78 mV (1.4 mV per bit) -12…30 mV (0.7 mV per bit – high resolution range) |
16 bits -12...78 mV: 1.4 Vm/bit -12...30 mV: 0.7 mV/bit |
1756-TBNH 1756-TBSH |
Analog Output Modules
Specifications [PDF]
| Cat. No. | Inputs/Outputs | Range | Resolution | Removable Terminal Block |
| 1756-OF4 | 4 voltage or current outputs | ±10.4V 0…21 mA |
Voltage: 15 bits across 10.5V, 320 mV/bit Current: 15 bits across 21mA, 650 nA/bit |
1756-TBNH 1756-TBSH |
| 1756-OF6CI | 6 individually isolated current outputs | 0…21 mA | 13 bits across 21mA (2.7 mA) | 1756-TBNH 1756-TBSH |
| 1756-OF6VI | 6 individually isolated voltage outputs | ± 10.5V | 14 bits across 21V (1.3 mV) (13 bits across 10.5V +sign bit) |
1756-TBNH 1756-TBSH |
| 1756-OF8 | 8 voltage or current outputs | ±10.4V 0…21 mA |
15 bits across 21 mA - 650 nA/bit 15 bits across 10.4V - 320 mV/bit |
1756-TBNH 1756-TBSH |
| 1756-OF8H | 8 voltage or current outputs, HART interface | ±10.4V 0…20 mA 4…20 mA |
15...16 bits | 1756-TBNH 1756-TBSH |
Analog Combination Input and Output Module
Specifications [PDF]
| Cat. No. | Inputs/Outputs | Range | Resolution | Removable Terminal Block |
| 1756-IF4FXOF2F | 4 high-speed, sub-millisecond, differential inputs 2 high-speed voltage or current outputs |
Input: ± 10.5V 0…10.5V 0…5.25V 0…21 mA Output: ± 10.4V 0…21 mA |
Input: Approx. 14 bits across ±10V DC (21V total) ±10V: 1.3 mV/bit, 14-bit effective 0…10.5V: 1.3 mV/bit, 13-bit effective 0…5.25V: 1.3 mV/bit, 12-bit effective Approx. 12 bits across 21 mA 0…21 mA: 5.25 mA/bit Output: 13 bits across 21 mA = 2.8 mA/bit 14 bits across 21.8V = 1.3 mV/bit |
1756-TBCH 1756-TBS6H |