TAC 2112 - Manual Control; Test Functions

TAC 2112, Manual Functional Description
TAC AB, 1999-08-01 0-004-7459-3 (GB), 7:21(
22
)
7.9 Manual control
The controller can be set to the “manual control” operating mode
from the operator’s panel.
All relay outputs except for
Open heating valve
and
Close heating
valve
are activated (the contacts are closed). The analogue outputs
maintain their levels. The outputs can be controlled manually from the
operator’s panel by pressing
or .
Manual control, heating valve:
increases the signal to the valve,
i.e. causes the valve to open, and
causes the valve to close. To
stop the valve from moving, press
and simultaneously.
Parameters
P No. Parameter Min. Max. Step Default Comments
P 89 Manual control, output sensor
signal (Y2)
0 V 10 V 0,1 V -
P 90 Manual control of pump (K1) 0 1 1 - 0=off, 1=on
P 91 Manual control, output (K2) 0 1 1 - 0=off, 1=on
P 92 Manual control, buzzer alarm
(K3)
0 1 1 - 0=off, 1=on
P 93 Manual control, weekly
program 2 (K4)
0 1 1 - 0=off, 1=on
P 94 Manual ctrl, heating (K5/K6) 0 1 1 - –1=close, 1=open, 0=off
7.10 Test functions
The parameters P 95 and P 96 show the serial number of the
controller. This serial number can also be found on the controller’s
type label.
The parameter P 99 is used to test the display window and display
system information. It is possible to step through a sequence
comprising the following steps by pressing either
or :
•
(P 99) Display program version
•
(P 99) Display type designation (2112)
•
(P 99) Testing of the display window:
turns all the symbols
in the display window on,
turns all the symbols off
•
(P --) The controller may be reset by pressing
; all parameters
are then set to default values.