DESCRIPTION
The Digital Output Driver X1-NIS-DO-02 module is suitable for energizing safety related circuits, up to SIL 3 level, for high risk industries. It can drive solenoid valves, visual or audible alarms to alert a plant operator, or other process control devices from driving signals imposed by the system card. They can also be used as switchable supplies to power measuring or process control equipments. Up to five units can be paralleled together to drive high-current loads. On the system side, a wide compatibility towards different DCS/PLC is guaranteed: driving pulse testing is permitted by a dedicated internal circuit, which prevents spurious activations and LED flickering, while offering an acceptable resistance to the DO Card. Line and load short/open circuit detection are provided, both when the load is off and when the load is on. The fault in the field is directly mirrored to the PLC DO by artificially increasing the input impedance without changing the output state, and it is also reported to the cumulative fault. To ease maintenance operations, field devices can be disconnected through a two-position insertion/extraction mechanism. This product requires a dedicated Termination Board.
FEATURES
SIL 3 / SC 3
Installation in Zone 2 / Division 2
Loop disconnection to ease maintenance operations
Short-circuit proof
Compatible with DCS/PLC pulse testing
Selectable input impedance (software programmable)
Up to 500 mA (with 5 units in parallel)
Line & Load short/open circuit detection (programmable thresholds)
Field fault mirroring to the DCS/PLC DO Card
Three port isolation, Input/Output/Supply
CHANNELS
1
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D6016DK
D6016DS
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D6017SK-TB
D6017SS
D6017SS-TB
D6212Q
D6254S
X1-NIS-AI-01-S
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D6020D
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X1-NIS-AO-01-S
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D6030D
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D6031D
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D6032D
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D6034D
D6034S
D6036D
D6036S
D6037D
D6037S
D6038DA
D6038DB
D6038DC
D6038DD
D6038SA
D6038SB
D6038SC
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D6038XA
D6038XB
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D6038XD
D6231E
X1-NIS-DI-01-S
X1-NIS-DI-02-S
X1-NIS-DI-03-S
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X1-NIS-DO-01-S
X1-NIS-DO-02-S
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D6264S
X1-NIS-RLI-01-S
D6072D
D6072D-087
D6072D-096
D6072D-099
D6072D-109
D6072S
D6072S-087
D6072S-096
D6072S-099
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D6273S
X1-NIS-UNI-01-S
D6062S
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