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Foundation Fieldbus Remote I/O DC302
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DC302
Foundation Fieldbus Remote I/O
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 SYSTEM 302 but also integrates into other systems supporting Foundation Fieldbus.
Some Characteristics:
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Communication |
FOUNDATION Fieldbus on 31.25 kbit/s voltage mode according to IEC 61158-2 |
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Power Consumption |
Quiescent 12 mA |
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Output Impedance |
Non-intrinsic safety from 7.8 kHz - 39 kHz should be greater or equal to 3 k. Intrinsic safety output impedance (assuming an IS barrier in the powersupply) from 7.8 kHz 39 kHz should be greater or equal to 400 |
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Function Blocks |
Up to 20 Dynamically Instantiable 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.
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Temperature Limits |
Operation: -40 to 85?C (-40 to 185 ?F)
Storage: -40 to 110?C (-40 to 230 ?F) |
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Housing |
Housing Shell and Base: Polycarbonate, 10% Glass Filled
Terminals: Pressure Plate /Terminal Screws: Zinc Plated, Yellow Chromated Steel
Temperature rating: 110?C (230 ?F) 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 |
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Power Supply |
Bus powered: 9-32 Vdc |
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Mounting |
Using DIN rail (TS35-DIN EN 50022 or TS32-DIN EN50035 or TS15-DIN EN50045 |
Inputs
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Architecture |
Number of Inputs: 16 |
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Isolation |
Optical Isolation up to: 5000 Vac |
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External Power |
Voltage Source for Inputs: 18 - 30 Vdc
Typical Consumption per group 120 mA (all inputs ON)
Power indicator: Green LED |
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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 |
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Switching Information |
Time from "0" to "1": 30 us
Time from "1" to "0": 50 us |
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Wiring |
One wire: 14 AWG (2 mm 2 )
Two wires: 20 AWG (0.5 mm 2 ) |
Outputs
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Architecture |
Number of Outputs: 8 |
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Isolation |
Optical Isolation up to: 5000 Vac |
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External Power |
Voltage Source for Outputs: 20 - 30 Vdc
Maximum Consumption 35 mA
Power indicator: Green LED |
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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 |
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Independent
Protection per Output |
Thermal Shutdown: 165 o C
Thermal Hysteresis: 15 o C
Over-Current Protection: 1.3 A @ 25 Vdc maximum
Clamp Diode |
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Switching Information |
Time from "0" to "1": 250 us
Time from "1" to "0": 3 us |
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Wiring |
One wire: 14 AWG (2 mm 2 )
Two wires: 20 AWG (0.5 mm 2 ) |
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