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R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK
3 EN1B-0203GE51 R0507C
CONFIGURATION AND CONTROL PARAMETERS
The controllers R7426A,B,C include two groups of settings
*)
(I and II) for control and configuration parameters that are
automatically selected during programming. For parameter Ctrltyp = Lo, setting I is selected, and for parameter Ctrltyp =
Hi1/Hi2, setting II is selected.
config. par. R7426
no. name
description
default
setting
A B C
actual
value
C.01 DIR/REVY1 Selects the output action of Y1 to adapt the valve or damper direction Dir x
C.02 DIR/REVY3 Selects the output action of Y3 to adapt the valve or damper direction Dir x
C.03 DIR/REVY2 Selects the output action of Y2 to adapt the valve or damper direction Dir x
Dir
Rev
Direct acting output signal
Reverse acting output signal
C.04 Ctrltyp
1)
Control type selects the setpoint operating range and default parameter
setting I or II.
Lo
for I
x x x
set-
pt.
operating range setting
*)
Lo
Hi1
Hi2
0...50°C for ventilation systems (factory preset)
0...130°C for heating systems
0...130°C with pump ON/OFF operation
I
II
II
C.05 CPATYP Selects the Control Point /SetPoint Adjustment type. 0 x x x
CPA
TYP
potentio-
meter range
CPA/SPA
range
sensor / remote setpoint unit type
numbers
0 internal CPA: ±5K internal
1 953...1053Ω CPA: ±5K T7412B1016 (Pt 1000)
2 100kΩ...0Ω CPA: ±5K
T7412B1057 / T7412C1030 (Pt 1000)
T7412B1008 / T7412C1006 (NTC 20kΩ)
43193982-001
3 10...20kΩ
SPA:
15 ... 30°C
T7412B1024 (BALCO 500)
T7412B1040 (Pt 1000)
4 0...10kΩ CPA: ±5K
HCW 23 (setpt wheel printed with +/- 5 K)
5 0...100kΩ SPA: 15...30°C 43193982-001
6 0...100kΩ
SPA: 0...50°C
or 0...130°C
43193982-001
C.06 YRange Selects the output control range for all outputs (Y1, Y2, and Y3) 1 x
0
1
2 ... 10 Vdc
0 ... 10 Vdc
C.07 Startup Enables the start-up routine OFF x x
OFF
ON
Disabled
Enabled
C.08 Y1Mode Y1 output mode selects an individual output function for Y1 4 x x
C.09 Y3Mode Y3 output mode selects an individual output function for Y3 4 x
C.10 Y2Mode Y2 output mode selects an individual output function for Y2 4 x
0
1
2
3
4
Synchronous / floating
2 stage ON/OFF
3 stage binary coded ON/OFF
Pulse-width modulation
Unconfigured
C.11 YMode Selects the output mode for sequence operation or multistage ON/OFF func. 0
0 Damper, cooling and heating (Y1,Y2, Y3) x x
1
Sequence control for heating or cooling (Y1,Y2, Y3);
or 6-stage ON/OFF
x
x
x
2
Sequence control for heating (Y1, Y3) and cooling (Y2);
or 4-stage ON/OFF for heating (Y1, Y3), and cooling (Y2)
x
x
x
3
Sequence control for cooling (Y1, Y3) and heating (Y2);
or 4-stage ON/OFF for cooling (Y1, Y3), and heating (Y2)
x
x
x
4 Two-position damper control (Y1), heating (Y3) and cooling (Y2) x x
5 15-stage binary coded ON/OFF for heating (Y1, Y3), and cooling (Y2) x
Table 4. Configuration parameters R7426A,B,C