2
0
1
8
-0
7
16
VBA-2A-KE5-IL/UL, VBA-4A-KE5-IJL/UJL
Commissioning
Parameter P2: Peripheral Fault
Default value P2=1, active
Parameter P2 is used to switch peripheral fault messages on or off in the event of a wire break
or if a value is outside the permissible value range. If messages are activated, the PWR and
FAULT LEDs flash in the event of a peripheral fault, and a notification is sent to the master. A
peripheral fault is reported if:
■
A wire break is detected at a current output.
■
The value range is above or below the relevant threshold, see chapter 7.1.
A peripheral fault is
always
issued independently of the parameter P2 if:
■
The actuator power supply is overloaded. In this case, the outputs are also set to "0."
■
The external auxiliary voltage is not available when the INT/AUX switch = AUX. This only
applies to VBA-4A-KE5-IJL/UJL.
■
The auxiliary voltage U
AUX
is not connected. This only applies to VBA-2A-KE5-IL/UL.
Parameter P3: Output Mode O2 or Automatic Mode
Default value P3=1
Parameter P3 is used to select the output mode for the analog outputs.
VBA-2A-KE5-IL/UL
: Parameter P3 selects current mode or voltage mode for output O2.
VBA-4A-KE5-IJL/UJL
: Parameter P3 activates automatic load detection (automatic mode) for
outputs O1 ... O4.
Note!
Wire Break Detection
At a current output, a wire break is reliably detected if the set current > 10
µ
A.
From 1
µ
A to 10
µ
A, wire break detection cannot be guaranteed.
If power = 0, wire break detection is deactivated.
Note!
Jumpers on CON1 or CON2 override parameter bits P1 and P3.
If you configure the function of the outputs via the parameter bits, ensure that no jumpers are
installed on CON1 or CON2. See chapter 3.4 and see chapter 3.5.
Tip
Mixed Operation
When automatic load detection is activated, VBA-4A-KE5-IJL/UJL is able to operate the
current and voltage outputs simultaneously.
