


Product Description
🔹 General Information
Manufacturer |
Allen-Bradley |
---|---|
Model/Part Number |
1746-FIO4I |
Description |
Analog I/O Module |
🔹 Electrical Specifications
Attribute |
Specification |
---|---|
Cable |
Shielded, Belden #8761 (recommended) |
Wire Size |
2.5 mm² (14 AWG) max |
Terminal Block |
Removable |
Installation |
Single slot in the 1746 I/O Rack |
Calibration |
Every six months or as necessary |
Noise Immunity |
NEMA standard ICS 2-230 |
🔹 Environmental Specifications
Attribute |
Specification |
---|---|
Operating Temperature |
0°C to +60°C (32°F to 140°F) |
Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
Relative Humidity |
5% to 95% (non-condensing) |
🔹 General Input Specifications
Attribute |
Specification |
---|---|
Converter Resolution |
12 bits |
Converter Type |
Successive approximation |
Track & Hold Time |
1.5 µs (nominal) |
Signal Convert from Hold |
6.0 µs (nominal) |
Total Conversion Time |
7.5 µs every 512 µs (nominal) |
Non-linearity |
±0.073% of full scale (max) |
LSB Location in I/O Image Word |
0000 0000 0000 0001 |
Image Format (HEX) |
0FFF |
Common Mode Voltage Range |
0 to 20V (max) |
Common Mode Rejection (at 60 Hz) |
50 dB (min with 1 kΩ imbalance) |
Channel Bandwidth |
7.0 kHz (min @ 3 dB point) |
Module Throughput |
1.10 ms (max) 512 µs (typical) |
Step Response (5–95%) |
100 µs |
Impedance (to ANL COM) |
500 kΩ |
Impedance (Channel-to-channel) |
1 MΩ |
Field Wiring to Backplane Isolation |
500V DC |