Product Description
🔹 Product Details
|
Manufacturer |
Allen-Bradley |
|---|---|
|
Model/Part Number |
1797-IE8 |
|
Description |
Input Module (8-channel, Intrinsically Safe) |
🔹 Specifications
|
Attribute |
Specification |
|---|---|
|
Number of Inputs |
8 single-ended, non-isolated |
|
IS Input Type |
EEx ia IIB/IIC T4 AEx ia IIC T4 Class I, II, III Division 1 Groups A-G T4 |
|
IS Module Type |
EEx ib IIB/IIC T4 AEx ib IIC T4 Class I Division 1 & 2 Groups A-D T4 |
|
Resolution |
16 bits |
|
Accuracy @ 20°C |
0.1% of output signal range |
|
Temperature Drift |
0.005%/°C of output signal range |
|
Functional Data Range |
>15V @ 22mA >21.5V @ 0mA |
|
Data Format |
Configurable |
|
Step Response (to 99% FS) |
4 ms |
|
Update Time (Best/Worst) |
50 µs / 1450 µs |
|
Indicators |
8 red fault indicators 1 green power |
|
Output (IS) |
Ui < 5.8V DC Ii < 400mA Ci < 1.35 µF Li = Negligible |
|
Isolation Type |
Galvanic isolation to DIN EN50020 (except input-to-input: none) |
|
Power Supply (IS) |
Ui < 9.5V DC Ii < 1A Ci, Li = Negligible |
|
Field-side Power Consumption |
7.5 W |
|
Power Dissipation |
5.2 W |
|
Thermal Dissipation |
17.75 BTU/hr |
|
Module Location |
Cat. No. 1797-TB3 or 1797-TB3S |
|
Conductor Wire Size |
Max 12 AWG (4 mm²) stranded Max insulation: 1.2 mm (3/64 in) |
|
Dimensions (H x D x W) |
94 x 75 x 46 mm (3.7 x 2.95 x 1.8 in) |
|
Weight |
Approx. 200 g |
|
Keyswitch Position |
3 |
🔹 Environmental Conditions
|
Condition |
Specification |
|---|---|
|
Operating Temp. |
-20 to +70 °C (-4 to +158 °F) |
|
Storage Temp. |
-40 to +85 °C (-40 to +185 °F) |
|
Relative Humidity |
5 to 95% non-condensing |
|
Shock (Operating/Non) |
15 g, 11 ±1 ms pulse width |
|
Vibration |
2 g @ 10–500 Hz (IEC68-2-6) |
🔹 Certifications
|
Agency |
Standard |
|---|---|
|
CENELEC |
II (1) 2G EEx ia/ib IIB/IIC T4 II (1D)(2D) |
|
UL/C-UL |
Class I, Division 1 & 2, Groups A-D, T4 Class I, Zone 1 & 2, AEx ib/[ia] IIC T4 |
|
FM |
Same as above |
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