ALLEN BRADLEY 1738-OE2CM12 ArmorPoint 24V DC Analog Output Module

Model/Part Number

1738-OE2CM12

Description

ArmorPoint 24V DC Analog Output Module

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

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 (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

Isolation Voltage

50V rms (continuous)

Test Voltage

1250V AC rms for 60s

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)

Module Status

1 green/red LED (logic side)

Network Status

1 green/red LED (logic side)

Output Status

2 green/red LEDs (logic side)