Fb Function
WE
Anl
Comments
Function block parameters
/ Range of values (default setting)
09 Pulse input for flow
rate or capacity
limitation
OFF
Not
6, 9
Co5 -> Fb09 = ON: Type of limitation
Option:
U: Flow rate limitation P: Capacity limitation
CONST
Limitation constant
4-Pt:
Limitation acc. to 4-point characteristic
Function block parameter:
Pulse weighting / 0.1 to 10 (10)
Note:
Can only be changed after entering key number
10 Locking manual
levels
OFF
All
Co5 -> Fb10 = ON: Manual intervention not possible and
parameters cannot be changed
Note:
Can only be changed after entering key number
11 Limit monitoring of
a selected sensor
input x
OFF
All
Co5 -> Fb11 = ON:
Function block parameters:
Terminal number
Upper/lower limit
Signal edge, binary output
FSr-A/FSr-E: Status alarm to error status register OFF/ON
BA ON/BA OFF: Setting/not setting the binary input
FALL/steig: Negative signal edge/increasing signal edge
12 Limit monitoring of
a selected sensor
input y
OFF
All
Co5 -> Fb12 = ON:
Function block parameters:
Terminal number
Upper/lower limit
Signal edge, binary output
FSr-A/FSr-E: Status alarm to error status register OFF/ON
BA ON/BA OFF: Setting/not setting the binary input
FALL/steig: Negative signal edge/increasing signal edge
13 External demand
OFF
Not
3, 5,
8
Co5 -> Fb13 = ON: The highest set point is passed on;
(only with Fb00 = ON possible, in systems Anl 6 and 9
Fb00 = OFF)
Function block parameter:
Boost / 0 to 30 °C (0 °C)
In systems Anl 6 and 9 the demand can only be sent
102
EB 5179 EN
Appendix