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ICS TRIPLEX T8431 Analog Input Module ICS TRUSTED
ICS TRIPLEX T8431 Analog Input Module ICS TRUSTED 100% Brand New. 365 days warranty.
item no.:
T9451lead time:
2-3 work daysproduct orgin:
USAshipping port:
Xiamen Chinapayment:
T/Tmarket price:
$999price range:
1-9999/1$color:
Depends on the materialT9451 Digital Output Module, 24Vdc, 8 channel
The T9451 digital output module has 8 channels for a maximum of 8 field elements and can switch 1 A at 32 Vdc for each device.
It features voltage and load current monitoring on each channel, reverse current protection and short and open circuit line monitoring.
It is designed to always be able to switch off an output when demanded.
No single failure in the module can cause a stuckon failure.
The module supports dual redundant power feeds for field devices without the need for external diodes.
The output module isolates the processor module from the output channel control and data management circuits, thus protecting the processor module from possible faults in the output control circuits and field connections.
An output channel protection activates when the channel load exceeds a safe limit.
And, a reverse voltage protection circuit in each output channel verifies that externally applied voltages do not supply current flow into the module outputs.
The module has self-checking functionality. Short circuit and open circuit line monitoring is supplied on all outputs (see article 605753 on the Rockwell Automation Knowledgebase website).
Internal diagnostics do ongoing functionality checks ensuring that the output channel command data is correctly transferred to the output. The processor module initiates a test sequence on each output channel, checking for 'stuck-on' and 'stuck-off' conditions on the output switch pairs.
Front panel LEDs give module, channel and field connection status indications.
These status indications can also be connected to application variables and viewed at the Workbench.
When a controller uses a pair of digital output modules in a dual configuration, the two fail-safe output switches on each channel are combined in a parallel arrangement so that they automatically form a fault-tolerant output configuration.
The AADvance Workbench has settings for individual digital output channels:
• You can specify a shutdown state for an output channel that defines how the output will behave when the module is in a shutdown mode.
• You can disable the line test feature for an output that disables detection of a no-load condition (e.g. for used output channels).
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