
Product Description
__ General Information
|
Manufacturer |
Allen-Bradley |
|---|---|
|
Model/Part Number |
1738-IB8M8 |
|
Description |
ArmorPoint Digital Input Module |
_
__ Technical Specifications
Digital Input Characteristics
|
Attribute |
Specification |
|---|---|
|
Inputs per Module |
8 (1 group of 8) nonisolated, sinking |
|
Voltage - Off-State Input (Max) |
5V DC |
|
Voltage - On-State Input |
Max:_28.8V DC,_Min:_10V DC,_Nominal:_24V DC |
|
Current - Off-State Input (Max) |
1.5 mA |
|
Current - On-State Input |
Max:_5 mA,_Min:_2 mA,_Nominal:_4 mA @ 24V DC |
|
Input Impedance |
Max:_4.7 k_,_Nominal:_3.6 k_ |
|
Input Delay Time (OFF to ON / ON to OFF) |
0.5 ms hardware + (0-63 ms selectable) |
|
Input Point Density |
8 |
_
Power & Electrical Characteristics
|
Attribute |
Specification |
|---|---|
|
Field Power Bus Supply Voltage Range |
10-28.8V DC (Nominal: 24V DC) |
|
PointBus Current (Max) |
75 mA @ 5V DC |
|
Power Dissipation (Max) |
1.6W @ 28.8V DC |
|
Thermal Dissipation (Max) |
5.5 BTU/hr @ 28.8V DC |
|
Isolation Voltage |
50V RMS (Tested at 1250V AC RMS for 60s) |
_
Indicators & Diagnostics
|
Indicator |
Probable Cause |
|---|---|
|
Network Status |
-_Off: Not online (failed test, no power)___-_Flashing Green: Online but no connections___-_Green: Online with connections___-_Flashing Red: Timed-out connections___-_Red: Critical link failure___-_Flashing Red/Green: Communication fault detected |
|
I/O Status |
-_Off: Input is OFF___-_Yellow: Input is ON |
|
LED Indicators |
- 8 yellow input status LEDs (logic side)___- 1 green/red network status LED (logic side)___- 1 green/red module status LED (logic side) |
_
Environmental & Physical Characteristics
|
Attribute |
Specification |
|---|---|
|
Dimensions (H x W x D) |
4.72 x 2.83 x 1.65 inches (120 x 72 x 42 mm) |
|
Weight |
0.64 lb (0.29 kg) |
|
Enclosure Type Rating |
Meets IP65/66/67 (when marked) |
|
Mounting Base Screw Torque |
#8 screw, 7.5 in-lbs in Aluminum, 16 in-lbs in Steel |
_
EMC & Immunity
|
Attribute |
Specification |
|---|---|
|
Emissions Standard |
CISPR 11: Group 1, Class A |
_
_
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