4.5.2 Digital I/O Module (DIO) 6DR4004-6A / -8A
Function
The Digital I/O Module (DIO) triggers fault messages and alarms via three digital outputs. The
message function is based on the change in the signal status:
● With the "HIGH" state, there is no alarm message and the digital outputs are conductive.
● With the "LOW" state, the module reports an alarm with high-resistance shutdown of the
digital outputs.
● Operational faults are signaled at a high-resistance digital output. Set the following
parameters to activate and configure the output of alarms and fault messages:
– "AFCT" - Alarm function
– "A1" - Response threshold, alarm 1
– "A2" - Response threshold, alarm 2
– "FCT" - Function for fault message output
– "TIM" - Monitoring time
– "LIM" - Response threshold
The Digital I/O Module (DIO) also has a digital input DI2 in addition to the digital outputs.
Depending on the selected parameters, this digital input is used, for example, to block the
actuator or to move it to its end position. Configure the suitable settings on parameter "BIN2".
Device features
Figure 4-15 Digital I/O Module (DIO), schematic representation
Installing/mounting
4.5 Installing option modules
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 59
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