Product Description
🔹 General Information
|
Manufacturer |
Allen-Bradley |
|---|---|
|
Model/Part Number |
1738-OE2CM12 |
|
Description |
ArmorPoint 24V DC Analog Output Module |
🔹 Technical Specifications
Outputs & Signal Characteristics
|
Attribute |
Specification |
|---|---|
|
Number of Outputs |
2 single-ended, non-isolated |
|
Output Voltage (1738-OE2V) |
0…10V (user-configurable) |
|
Output Current (1738-OE2C) |
4…20 mA (user-configurable) 0…20 mA (user-configurable) |
|
Resolution (1738-OE2C) |
13 bits over 0…21 mA 2.5 μA/cnt (typical range: 2.3…2.7 μA/cnt) |
|
Resolution (1738-OE2V) |
14 bits (13 plus sign) 1.28 μV/cnt in unipolar or bipolar mode |
|
Absolute Accuracy |
0.1% full scale @ 25°C |
|
Accuracy Drift w/Temp |
- 1738-OE2C: 30 ppm/°C - 1738-OE2V: 5 ppm/°C |
|
Conversion Type |
Digital-to-Analog Converter |
|
Conversion Rate |
- 1738-OE2C: 16 μs - 1738-OE2V: 20 μs |
|
Data Format |
Signed integer |
|
Step Response (63% FS) |
24 μs |
Electrical Characteristics
|
Attribute |
Specification |
|---|---|
|
External DC Power Supply Voltage (Nominal) |
24V DC |
|
External DC Power Voltage Range |
10…28.8V DC |
|
External DC Power Supply Current |
- 1738-OE2C: 70 mA @ 24V DC (including outputs @ 20 mA) - 1738-OE2V: 35 mA @ 24V DC (including outputs @ 3 mA) |
|
PointBus Current (Max) |
75 mA @ 5V DC |
Power Dissipation & Thermal Dissipation
|
Attribute |
1738-OE2C |
1738-OE2V |
|---|---|---|
|
Power Dissipation (Max @ 28.8V DC) |
1.23 W (750 Ω load on each output) 1.83 W (0 Ω load on each output) |
1.0 W |
|
Thermal Dissipation (Max @ 28.8V DC) |
4.19 BTU/hr (750 Ω load on each output) 6.24 BTU/hr (0 Ω load on each output) |
3.4 BTU/hr |
Protection & Isolation
|
Attribute |
Specification |
|---|---|
|
Isolation Voltage |
50V rms (continuous) |
|
Test Voltage |
1250V AC rms for 60s |
Physical & Environmental Characteristics
|
Attribute |
Specification |
|---|---|
|
Dimensions (H x W x D) |
31.75 x 66.80 x 107.95 mm (1.25 x 2.63 x 4.25 in.) |
|
Weight |
0.289 kg (0.637 lb) |
|
Wiring Category |
1 - on signal ports |
|
Keyswitch Position |
4 |
|
Mounting Base Screw Torque |
- #8 Screw - Aluminum: 0.85 Nm (7.5 lb-in) - Steel: 1.8 Nm (16 lb-in) |
Indicators & Diagnostics
|
Indicator |
Description |
|---|---|
|
Module Status |
1 green/red LED (logic side) |
|
Network Status |
1 green/red LED (logic side) |
|
Output Status |
2 green/red LEDs (logic side) |
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