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DC to DC Isolated Signal Conditioner
DMD4380 Series
PLACE ORDER - Standard DIN Rail Mounting
- Fast Setup - Over 100 I/O Ranges
- Removable Connectors
- Full 3-Way Isolation
- Output Test Button
- Built-In Loop Powers for Sink/Source and I/O
- 80 to 265 Vac or 9 to 30 Vdc Input Power Options
Description
Description
Applications
- Amplify , Convert, or Scale Process Signals
- Isolate Single-Ended (Common Ground) PLC Inputs
- Interface Process Signals with Panel Meters, PLCs, Recorders, Data Acquisition, DCS, and SCADA Systems
The DMD4380 accepts a dc voltage or current input and provides an optically isolated dc voltage or current output that is linear to the input. It provides filtering, amplifies, and converts the input signal to the selected dc voltage or current output that you select. The 3-way 1200V isolation eliminates ground loops, common mode voltages and greatly reduces noise pick-up. Standard features include a 15 Vdc loop power supply and a 20 Vdc loop supply for the output. The power supplies can also be wired to sink or source which allows the DMD4380 to be used with any combination of powered or unpowered mA inputs and powered or unpowered mA outputs including passive mA devices. Features such as red and green LEDs that vary in intensity to show input and output activity and an output test button help make set-up and troubleshooting fast and easy.
Input Ranges: Field selectable ranges via switch settings
Voltage: 0-10 mVdc to 0-50 Vdc
Bipolar Voltage: ±50 mVdc to ±10 Vdc
Current: 0-200 uAdc to 0-50 mAdc
Input Impedance (Voltage):
Voltage: 1 MΩ minimum
Current: 50Ω typical
Voltage Burden: 1 Vdc at 20 mA
Input Loop Power Supply: 15 Vdc ±10%, regulated, 25 mAdc; max ripple, less than 10 mV RMS may be selectively wired for sinking or sourcing
Output Ranges: Switch Selectable, Field Rangeable
Voltage (10 mA max): 0-1 to 0-10 Vdc
Bipolar Voltage (10 mA max): ±5 to ±10 Vdc
Current: 0-2 mA to 0-25 mA
Compliance, Drive @ 20 mA: 20V,1000 Ù drive
Output Offset: ±100% of span in 15% increments
Output Linearity: Better than ±0.1% of span
Output Zero and Span: Multi-turn potentiometers to compensate for load and lead variations, ±15% of span adjustment range typical
Output Loop Power Supply: 20 Vdc nominal, regulated, 25 mAdc; max ripple, less than 10 mV RMS; may be selectively wired for sinking or sourcing
Output Ripple: <10 mV rms
Function Test Button: Sets output to test level when pressed; adjustable 0 to 100% of span via potentiometer. Factory default is approx. 50% of span
Response Time: 70 ms typical
Common Mode Rejection: 120 db minimum
Isolation: 1200 Vrms minimum, 3-way isolation, power to input, power to output and input to output
Operating Temperature Range: -10 to 60°C (14 to 140°F)
Thermal Stability: Better than ±0.02% of span per °C
Std. Power: 80 to 265 Vac, 50/60 Hz or 85 to 300 Vdc, 2 W maximum
Low Voltage "DC" Option: 9 to 30 Vdc or 10 to 32 Vac
Mounting: Mounts to standard 35 mm DIN rail
Environmental Protection: IP40
Connections: Four 4-terminal removable connectors 14 AWG max wire size
Dimensions: 22.5 W x 117 H x 122 mm D (0.89 x 4.62 x 4.81") height includes connectors
Weight: 150 g (5.3 oz)
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