ABB i-bus KNX, Product Manual, Page: 119 / 264

ABB i-bus
®
KNX
Commissioning
FCA/S 1.x.x.1 | 2CDC508134D0202 117
3.2.3.5.1 Parameter window Security
The function Security is identical for Valve drive, thermoelectric (PWM); Valve drive, motor-driven (3-point)
and Valve drive, analog (0...10 V) . The parameter window is enabled if the parameter Enable function
"Priority and safety operation" has been selected with the option Yes in the Parameter window Function ,
p. 113.
Safety priority 1
Safety priority 2
Safety priority 3
Options: Inactive
Block
Forced operation
For each of the three priority stages (1 = highest; 3 = lowest priority), the output can be forcibly operated or
disabled with activated function
Security .

Forced operation: The communication object Priority*, Forced operation is enabled. Using forced
operation, the operation of the output is blocked and the output assumes a defined state. An operation
is not possible until after forced operation is rescinded.

Block: The communication object Priority*, Block is enabled. During blocking, the output remains in its
present state and is blocked. A higher priority interrupts the block. When the higher priority is
rescinded, the value of the higher priority is retained on the output. An operation is not possible until
after the block is rescinded.
* Priority = Priority 1, 2 or 3.
Dependent parameters: