Product Description
🔹 General Information
|
Manufacturer |
Allen-Bradley |
|---|---|
|
Model/Part Number |
1746SC-INI4VI |
|
Description |
4-Channel Voltage/Current Input Module for SLC 500 |
|
Product Series |
SLC 500 |
🔹 Detailed Specifications
Input Types and Ranges
|
Specification |
Description |
|---|---|
|
Input Types |
4 V or V/C inputs (differential) |
|
Input Ranges (Current) |
0-20 mA, 4-20 mA |
|
Input Ranges (Voltage) |
0-5 V, 1-5 V, 0-10 V, ±10 V |
|
Resolution (Current) |
16 bits (312.8 nA per count) |
|
Resolution (Voltage) |
16 bits (312.8 µV per count) |
Advanced Features
|
Specification |
Description |
|---|---|
|
Advanced Features |
4 selectable filter frequencies, full auto-calibration, onboard error checking |
Update Times
|
Specification |
Current (4 channels) |
Voltage (4 channels) |
|---|---|---|
|
Update Time |
14 ms with 500 Hz filter |
18 ms with 500 Hz filter |
Step Response Time
|
Specification |
Description |
|---|---|
|
Step Response Time |
8 ms with 500 Hz filters, 67 ms with 60 Hz filters |
Electrical Isolation
|
Specification |
Description |
|---|---|
|
Field Wiring to Backplane |
125 VAC continuous |
|
Channel-to-Channel Isolation |
125 VAC continuous |
Input Protection
|
Specification |
Description |
|---|---|
|
Input Overcurrent Protection |
33 mA continuous; 70 mA (transient) |
|
Input Overvoltage Protection |
50 VDC (continuous, INI4vi only) |
Rejection and Accuracy
|
Specification |
Current |
Voltage (INI4vi only) |
|---|---|---|
|
Common Mode Rejection |
99 dB at 1 kHz, 25 °C; 150 dB at 60 Hz |
|
|
Normal Mode Rejection |
98/98 dB at 50/60 Hz |
|
|
Accuracy (25 °C) |
0.10% of full scale |
0.25% of full scale |
|
Accuracy (60 °C) |
0.25% of full scale |
0.25% of full scale |
Backplane Current Required
|
Specification |
INI4i |
INI4vi |
|---|---|---|
|
Current |
440 mA at 5 V; 0 mA at 24 V (typical) |
550 mA at 5 V; 0 mA at 24 V (typical) |
🔹 Environmental Specifications
|
Specification |
Description |
|---|---|
|
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) |
Thermal Dissipation
|
Specification |
Description |
|---|---|
|
Thermal Dissipation |
3.25 Watts, maximum |
🔹 Certifications
|
Specification |
Description |
|---|---|
|
Certifications |
UL/cUL Listed, ANSI ISA 12.12.01 (Class I, Div 2, Groups ABCD), CE per 89/336/EEC for EMC, UKCA, FCC, CMIM |
🔹 Recommended Cable
|
Specification |
Description |
|---|---|
|
Cable Type |
Shielded twisted-pair; Belden 8761 or equivalent |
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