Catalogs > Automation Systems Catalog > Programmable Controllers > SLC 500 System > I/O Modules and Hardware
I/O Modules and Hardware
| I/O Adapter Modules |  |
Chassis and Hardware | |
1746 I/O Module Overview | |
Digital I/O Modules | |
| Analog I/O Modules | |
Specialty I/O Modules | |
Removable Terminal Blocks | |
Distributed I/O | |
| Cat. No.§ | Number of Inputs | Backplane Current Load | Bandwidth | Step Response at 95% |
Update Period |
Resolution (bits), Max.⋆ |
| 1746-NI4 | 4 inputs (±10V DC, ±20 mA) | 25 mA at 5V DC 85 mA at 24V DC |
10 Hz | 60 ms | 512 ms | 16 bits |
| 1746-NI8 | 8 inputs (±10V DC, ±20 mA) | 200 mA at 5V DC 100 mA at 24V DC |
1…75 Hz | 0.75…730 ms at 99%‡ | 6 ms / 8 chan | 16 bits |
| 1746-NI16I | 16 inputs (±20 mA, 4…20 mA, 0…1 mA, or 0…20 mA) | 125 mA at 5V DC 75 mA at 24V DC |
6…250 Hz | 9…630 ms‡ | — | 16 bits |
| 1746-NI16V | 16 inputs (±10V DC, 1…5V DC, 0…5V DC, or 0…10V DC) | 125 mA at 5V DC 75 mA at 24V DC |
6…250 Hz | 9…630 ms‡ | — | 16 bits |
| § Analog input modules do not provide loop power for analog input devices. ⋆ For each module, the data format is BCD or natural binary. ‡ A function of the input filter selection. |
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1746 Analog Output Modules
| Cat. No. | Number of Outputs | Backplane Current Load | Bandwidth | Step Response at 95% |
Update Period |
Resolution (bits), Max.⋆ |
| 1746-NO4I | 4 outputs (0…20 mA) | 55 mA at 5V DC 195 mA at 24V DC |
— | 2.5 ms | 512 ms | 14 bits |
| 1746-NO4V | 4 outputs (±10V DC) | 55 mA at 5V DC 145 mA at 24V DC |
— | 2.5 ms | 512 ms | 14 bits |
| 1746-NO8I | 8 outputs (0…20 mA) | 120 mA at 5V DC 250 mA at 24V DC |
— | 1.0 ms | 540 ms / 8 channel | 16 bits |
| 1746-NO8V | 8 outputs (±10V DC) | 120 mA at 5V DC 160 mA at 24V DC |
— | 1.0 ms | 540 ms / 8 channel | 16 bits |
| ⋆ For each module, the data format is BCD or natural binary. ‡ A function of the input filter selection. |
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1746 Analog Combination Modules
| Cat. No.§ | Number of Inputs/ Outputs | Backplane Current Load | Bandwidth | Step Response at 95% |
Update Period |
Resolution (bits), Max.⋆ |
| 1746-NIO4V | 2 inputs (±10V DC, ±20 mA) 2 outputs (±10V DC) |
55 mA at 5V DC 115 mA at 24V DC |
10 Hz | 60 ms in 2.5 ms out |
512 ms | 16 bits in 14 bits out |
| 1746-NIO4I | 2 inputs (±10V DC, ±20 mA) 2 outputs (0…20 mA) |
55 mA at 5V DC 145 mA at 24V DC |
10 Hz | 60 ms in 2.5 ms out |
512 ms | 16 bits in 14 bits out |
| 1746-FIO4I (current outputs) |
2 inputs (differential, 0…10V DC, 0…20 mA) 2 outputs (0…20 mA) |
55 mA at 5V DC 150 mA at 24V DC |
7 Hz | 100 ms in 2.5 ms out |
512 ms | 12 bits in 14 bits out |
| 1746-FIO4V (voltage outputs) |
2 inputs (differential, 0…10V DC, 0…20 mA) 2 outputs (±10V DC) |
55 mA at 5V DC 120 mA at 24V DC |
7 Hz | 100 ms in 2.5 ms out |
512 ms | 12 bits in 14 bits out |
| § Analog input modules do not provide loop power for analog input devices. ⋆ For each module, the data format is BCD or natural binary. ‡ A function of the input filter selection. |
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1746 RTD and Thermocouple Modules
| Cat. No. | Number of Inputs | Backplane Current Load | Bandwidth | Step Response at 95% |
Update Period |
Resolution (bits), Max.⋆ |
| 1746-NR4 RTD/Resistance Analog Input Module |
4 inputs 100 W, 200 W, 500 W Platinum 120 W Nickel 604 W Nickel/Iron 10 W Copper 150 W, 500 W, 1000 W, 3000 W direct resistance |
50 mA at 5V DC 50 mA at 24V DC |
2.62…65.5 Hz | 12…300 ms | 17 ms…1.2 s | 16 bits |
| 1746-NR8 RTD/Resistance Analog Input Module |
8 inputs 100 W, 200 W, 500 W Platinum 120 W Nickel 604 W Nickel/Iron 10 W Copper 150 W, 500 W, 1000 W, 3000 W direct resistance |
100 mA at 5V DC 55 mA at 24V DC |
7.80…1677 Hz | 1.47…120 ms | 6 ms…2 s | 16 bits |
| 1746-NT4 Thermocouple/mV Analog Input Module |
4 inputs B, E, J, K, N, R, S, T Thermocouple and ±50 mV or ±100 mV |
60 mA at 5V DC 40 mA at 24V DC |
2.62…65.5 Hz | 12…300 ms | 26 ms…1.2 s | 16 bits |
| 1746-NT8 Thermocouple/mV Analog Input Module |
8 inputs B, E, J, K, N, R, S, T Thermocouple and ±50 mV or ±100 mV |
120 mA at 5V DC 70 mA at 24V DC |
10…250 Hz | 400 ms | 356 ms…4.05 s | 16 bits |
| 1746-INT4 Isolated Thermocouple/mV Analog Input Module |
4 inputs B, C, D, E, J, K, N, R, S, T Thermocouple and ±50 mV or ±100 mV |
110 mA at 5V DC 85 mA at 24V DC |
8 Hz | 400 ms | 500 ms | 16 bits |
| ⋆ For each module, the data format is BCD or natural binary. ‡ A function of the input filter selection. |
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