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Appendix
13
Appendix
13.1 Function block list
Co1: Boiler K1
Fb Function
00 Release of boiler K1
01 Operational alarm
K1
02 Operating hours
counter K1
03 Boiler sensor KF1
04 Return flow sensor
RüF1
05 RüL-RK1
82
EB 5474 EN
WE
Anl
Function block parameter / Range of values (default setting)
OFF 1 to 7 Co1 -> Fb00 = ON: Release K1 depending on position of
mode selector switch and state of BE17 (Frg_K1)
Co1 -> Fb00 = OFF: Release K1 only depending on position
of mode selector switch
ON 1 to 7 Co1 -> Fb01 = ON: Operational alarm over BE2 BM_K1
Co1 -> Fb01 = OFF: Operational alarm after start-up
Function block parameter:
Start-up time for boiler K1 / 0 to 5400 s (0 s)
OFF 1 to 7 Co1 -> Fb02 = ON: Operating hours counter active
Function block parameter: Initial value / 0 to 99999 (0 h)
Option: count: Counting the operating hours
Note: Can only be changed after entering the key number.
ON 1 to 6 Co1 -> Fb03 = ON: Monitoring with sensor
Co1 -> Fb03 = OFF: Monitoring with thermostat (BE7),
Option: StEiG: Thermostat closes
Note: Cannot be deactivated in system Anl 7.
ON 1 to 7 Co1 -> Fb04 = ON: Monitoring with sensor
Co1 -> Fb04 = OFF: Monitoring with thermostat (BE9),
Option: StEiG: Thermostat closes
ON
3, 6, 7
Co1 -> Fb05 = ON: Return flow boost continuous control,
OFF
1, 2,
Co1 -> Fb05 = OFF: Return flow boost three-step control
4, 5
Function block parameters:
K
(proportional gain) / 0.1 to 99.9 (6)
P
T
(reset time) / 0 to 999 s (120 s)
N
T
(derivative-action time) / 0 to 999 s (0 s)
V
With Co1 -> Fb05 = OFF additionally:
T
(valve transit time) / 5 to 240 s (120 s)
Y
rESEt: Reset operating hours to initial value
FALL: Thermostat opens
FALL: Thermostat opens
Modulation three-step control
Modulation continuous control,
systems Anl 3, 6 and 7 only
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