AHT KINLEY XL Manuel D'utilisation page 9

en | AHT Cooling Systems GmbH
Displays (nr./
symbol)
flashes
flashes
Operating element
flashes
1.1.1 Switch the cooling function on and off
Switch off the cooling function for cleaning purposes
only.
Press
Switch off cooling
„OFF" and the current
function (start
temperature are shown on the
manual defrost):
display.
Press
Switch on cooling
The current temperature and
function (normal
the symbols
operation):
shown on the display.
1.1.2 Setpoint
Display setpoint
Show set setpoint
Press
(temperature):
Leave setup menu:
Press
Change setpoint
Show set setpoint
Press
(temperature):
Increase setpoint:
Press
Decrease setpoint:
Press
Assume new
Press
setpoint:
1.1.3 Assign bus address
Before assigning the bus addresses, the devices (1,
2,...n) must be networked with an appropriate bus
cable.
The first device (1) must be connected to market mon-
itoring (M) via the bus cable.
The bus cable must be terminated with a terminating
resistor (R) on the last device (n).
M
1
Fig. 4: Bus system diagram
Bus cable Patch cable CAT 5-S/FTP
PROTOCOL MODBUS RTU
Bus system RS-485 2-WIRE
(optional) Connection via RJ45 socket/
RJ45 plug
Baudrate 9600 oder 19200 Bit/s
Data Lenght 8 Bit
398205_4_0119
Meaning displays
Alarm real time clock
Alarm
Alarm
for at least 3 s.
for at least 3 s.
are
1 s.
again.
1 s.
.
.
.
R
2 n
Switch the cooling function on and off | 1.1.1
Parity none
Stop bit 1
Minimum TimeOut 60ms
Pin 5 Pin 4
Pin 8
Fig. 5: RJ45 connector bus cable, RJ45 sockets device and
terminating resistor (R)
Pin
4
5
8
The controller are delivered with the bus address
„1" (corresponds to a „stand-alone"- unit). For identific-
ation of several units in the bus system, the bus ad-
dresses must be assigned starting with „1".
Bus addresses must not be assigned twice. After-
wards, we recommend entering the addresses accord-
ing to the actual wiring sequence.
A maximum of 207 addresses are possible.
Access programming level
– Press for at least 3 s .
1.
„PS" and afterwards „0" are shown on the
display.
2.a Variant with password
– Press or until „22" appears.
Then press .
„/2" is shown on the display.
2.b Variant without password
– Press .
„St" or „H0" are shown on the display.
– Press or
3.
Then press .
Assign bus address
– Increase bus address: Press
4.
– Decrease bus address: Press
5.
– Accept new entry: Press
Leave programming level
6.
– Press 5 s.
The current temperature is shown on the display
again.
Assign bus address for subsequent units:
– Repeat point 1 to 6 on each unit and set next free
bus address.
Data Colour
B / + Blue
A / - Blue/White
Ground Brown
until „H0" appears.
.
.
once.
9 / 20