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DC302

Foundation Fieldbus Remote I/O

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The DC302 Fieldbus Remote I/O makes the integration of Fieldbus and conventional I/O easy. It is a single integrated easy to use piece of equipment including power, control, networking and I/O under one compact device requiring less panel space than other solutions. The DC302 is an integral part of SYSTEM302 but also integrates into other systems supporting Foundation Fieldbus.

 

 

Some Characteristics:
 

Communication
FOUNDATION Fieldbus on 31.25 kbit/s voltage mode according to IEC 61158-2.
Power Consumption
Quiescent 12 mA.
Output Impedance
Non-intrinsic safety from 7.8 kHz - 39 kHz should be greater or equal to 3 kΩ. Intrinsic safety output impedance (assuming an IS barrier in the powersupply) from 7.8 kHz – 39 kHz should be greater or equal to 400 Ω.
Function Blocks
Up to 20 Dynamically Instantiable Function Blocks.
Click here for the list of available Function Blocks. 
The Function Blocks available allow simple and complex control strategies to be placed inside the field device, making the field device and integral part of the control system. In order to fully benefit from the Function Blocks in the device a True Foundation Fieldbus system is recommended. For more information about SYSTEM302, click here.
Temperature Limits
Operation: -40 to 85ºC (-40 to 185 ºF).
Storage: -40 to 110ºC (-40 to 230 ºF).
Housing
Housing Shell and Base: Polycarbonate, 10% Glass Filled.
Terminals: Pressure Plate /Terminal Screws: Zinc Plated, Yellow Chromated Steel.
Temperature rating: 110ºC (230 ºF) UL94VO.
Protection: it has IP20 rating (finger protected) and meets VBG4 and other European accident prevention requirements. It can optionally be supplied preinstalled in an enclosure ready for field mounting.
Power Supply
150 mA (External Power).
Mounting
Using DIN rail (TS35-DIN EN 50022 or TS32-DIN EN50035 or TS15-DIN EN50045.

 

Inputs
 

Architecture
Number of Inputs: 16.
Isolation
Optical Isolation up to: 5000 Vac.
External Power
Voltage Source for Inputs: 18 - 30 Vdc.
Typical Consumption per group 120 mA (all inputs ON).
Power indicator: Green LED.
Inputs
ON State Level (True Logic): 15 - 30 Vdc.
OFF State Level (False Logic): 0 - 5 Vdc.
Typical Impedance: 3k9 W.
Status display: Red LED.
Switching Information
Time from "0" to "1": 30 us.
Time from "1" to "0": 50 us.
Wiring
One wire: 14 AWG (2 mm²).
Two wires: 20 AWG (0.5 mm²).

 

Outputs
 

Architecture
Number of Outputs: 8.
Isolation
Optical Isolation up to: 5000 Vac.
External Power
Voltage Source for Outputs: 20 - 30 Vdc.
Maximum Consumption  35 mA.
Power indicator: Green LED.
Outputs
Maximum Switched Voltage: 30 Vdc.
Maximum Saturation Voltage: 0.55 V @ 0.5 A.
Maximum Current per Output: 0.5 A.
Status Display: Red LED.
Indicator Logic: ON when the transistor is on.
Maximum Leakage Current: 100 uA @ 35 Vdc.
Maximum Power Consumption for Bulbs: 15 W.
Independent 
Protection per Output
Thermal Shutdown: 165°C
Thermal Hysteresis: 15°C
Over-Current Protection: 1.3 A @ 25 Vdc maximum.
Clamp Diode.
Switching Information
Time from "0" to "1": 250 us.
Time from "1" to "0": 3 us.
Wiring
One wire: 14 AWG (2 mm²).
Two wires: 20 AWG (0.5 mm²).

 

 

Library Lists:

Foundation FieldBus
- DD Foundation FieldBus

For download DD, DTM and GSD files of SMAR products, click here.

 

 

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