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1.3 Data communication/ Bus
The controller is equipped with a VBus
®
for data transfer
with and energy supply to external modules. The connec-
tion is carried out at the terminals marked “VBus” (either
polarity). One or more VBus
®
modules can be connected
via this data bus, such as
• GA3 large display, SD3 smart display
• DL2 datalogger
• VBus
®
/USB or VBus
®
/LAN interface adaptor
• VBus
®
/PWM interface adaptor
• AM1 alarm module
• WMZ calorimeter module
By means of a DL2 datalogger or an interface adaptor,
the controller can be connected to a PC or a computer
network. With the ServiceCenter Software (RSC) the
controller measurements can be read out, processed and
visualized. The software allows easy function control of the
system. For the remote parametrisation of the controller, a
special software tool will be available for download, soon.
1
2
S1
S2
S3
3
4
5
6
L
N
R1
N
R2
N
20
19
18
17
16
15
S4
7
8
14
13
12
T4A
VBus
9 10
CU 72091163 01
1 (1) A (
1
100 ... 240) V~
(1) A (100 ... 240) V~
R1
R2
100 ... 240 V~
50-60 Hz
Temp. Sensor Pt1000
IP 20
DE-45527 Hattingen
DeltaSol BS Plus V2
Made in Germany
VBus
®
connection terminals
Connecting the device to the power supply must always be
the last step of the installation!
The power supply to the controller must be carried out via
an external power switch (last step!). The supply voltage
must be 100 ... 240 V~ (50 ... 60 Hz). Flexible cables must
be attached to the housing with the enclosed strain relief
and the corresponding screws.
The controller is equipped with two semiconductor re-
lays, to which loads such as pumps, valves etc. can be
connected:
• Relay 1
18 = conductor R1
17 = neutral conductor N
13 = ground conductor
• Relay 2
16 = conductor R2
15 = neutral conductor N
14 = ground conductor
The power supply is to be carried out at the terminals:
19 = neutral conductor N
20 = conductor L
12 = ground terminal
The temperature sensors (S1 up to S4) are to be
connected to the following terminals with either polarity:
1 / 2 = Sensor 1 (e.g. Sensor collector 1)
3 / 4 = Sensor 2 (e.g. Sensor tank 1)
5 / 6 = Sensor 3 (e.g. Sensor tank top)
7 / 8 = Sensor 4 (e.g. Sensor return)
All Pt1000 temperature sensors are equipped with a
platinum measuring element in their tip. The electrical
resistance of the measuring element changes in relation
to the temperature (see table in chap. 5).
The difference between FKP and FRP type sensors only
lies in the cable insulation material. The insulation material
of FKP type sensor cables resists a higher temperature, so
that FKP type sensors should be used as collector sensors.
FRP type sensors are best used as reference sensors in
tanks or pipes.
L
N
R1
N
R2
N
20
19
18
17
16
15
14
13
12
1 (1) A (
1
100 ... 240) V~
(1) A (100 ... 240) V~
R1
R2
1
2
S1
S2
S3
3
4
5
6
Temp. Sensor
Pt1000
S4
7
8
Sensor terminals S1 ... S4
Grounding and load terminals
