Commissioning
16
—
English
Variomat Basic
—
22.07.2020 - Rev.
A
Terminal
number
Signal
Function
Wiring
16
Not assigned
External make-up request.
•
To be used only upon
consultation with the
Reflex Customer Service.
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17
Make-up (230
V)
18
Make-up (230
V)
19
PE shield
Level analogue input.
•
Display at the controller.
•
Activation of the make-
up.
•
To protect the pump
from running dry.
Factory
prepared,
sensor plug
must be
inserted on
site
20
- Level (signal)
21
+ Level
(+ 18 V)
22
PE (shield)
Pressure analogue input.
•
Display at the controller.
•
Control of pressurisation.
Pre-wired
23
- Pressure
(signal)
24
+ Pressure
(+ 18 V)
25
0
–
10 V
(correcting
variable)
Motor ball valve in the
overflow line to control the
pressurisation.
Pre-wired
26
0
–
10 V
(feedback)
27
GND
28
+ 24 V
(supply)
29
A
RS-485 interface.
User,
optional
30
B
31
GND
32
+ 24 V
(supply) E1
Supply for E1 and E2.
Pre-wired
33
E1
Contact water meter (in
Fillset, for example)
•
Evaluation of the make-
up.
•
If contact 32/33 is closed
= meter pulse.
User,
optional
34
E2
Insufficient water switch.
•
Not used in this device.
•
If contact 32/34 is closed
= OK.
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7.5.2
RS-485 interface
Use the S1 and S2 RS-485 interfaces to retrieve all controller data and to
enable the communication with control centres or other devices.
•
S1 interface
–
A maximum 10 devices can be used in a master-slave linked
circuit via the this interface.
•
S2 interface
–
"PIS" pressure and "LIS" level.
–
Operating modes of the "PU" pumps.
–
Operating states of the motorised ball valve/solenoid valve.
–
Values of the "FQIRA +" contact water meter.
–
All messages.
–
All entries in the fault memory.
The following bus modules form part of the optional accessories
available for interface communication.
Note!
If required, please contact the Reflex Customer Service for the
protocol of the RS-485 interface, details of the connections and
information about the accessories offered.
7.5.2.1
Connecting the RS-485 interface
Circuit board of the Control Basic controller.
1
DIP switch 1
2
Connection terminals for
RS-485 connection
Proceed as follows:
1.
Open the housing cover of the Control Basic controller.
2.
Use a screened cable to connect the RS-485 interface to the main
circuit board.
•
Terminal 29 (A+)
•
Terminal 30(B-)
•
Terminal 31(GND)
3.
Connect the cable screen at one side.
•
Terminal 22
4.
Activate the terminators on the main circuit board.
•
Dip switch 1
Note!
Activate the terminator when the device is at the beginning or
the end of an RS-485 network.
7.6
Installation and commissioning certificate
Note!
The installation and commissioning certificate can be found at
the end of the operating manual.
8
Commissioning
Note!
Confirm that installation and start-up have been carried out
correctly using the installation and commissioning certificate.
This action is a prerequisite for the making of warranty claims.
–
Have the Reflex Customer Service carry out commissioning
and the annual maintenance.
8.1
Checking the requirements for commissioning
The device will be ready for commissioning when the tasks described in
the "Installation" chapter have been completed. The system designer or
an assigned expert is responsible for carrying out the commissioning.
Commission the storage tank according to the information in the
corresponding installation manual. Note the following information on
commissioning:
