Paul thermos 300 DC, Operating Instructions Manual

Page: 38 / 72

Status 14.07.09
We reserve the right to make
changes favouring technical
progress.
Technical Description
Automatic Control
thermos 200 / 300 DC
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2
So it is possible to disable or enable any function or module via the programmer.
A distinction is made between user and system settings and validations.
Power pack ST_UB pin assignments
Pins:
1
12 P from power pack (PP)
2 GND
3
12 P from PP
4 GND
5
12 P from PP
6 GND
7
NPN open collector output from HCE for GHX valve / frost protection brine pump on PP
8 GND
9
NPN open collector output PP power / standby from HCE
10 GND
11 PWM-Out fan2 (extract air)
12 GND
13
PWM-Out fan1 (supply air)
14 GND
15
24P from PP
16 GND
17
24P from PP
18 GND
19
24P from PP
20 Open collector signal from PP to Controller overtemperature step 1
Controller ST_BUS pin assignments
Pins:
1
DB0 (data bit input/output)
2 DB1
3 DB2
4 DB3
5 DB4
6 DB5
7 DB6
8 DB7
9/10 GND
11/12 5P
13/14 GND
15
AD0 (address bit output)
16 AD1
17 AD2
18 AD3
19 AD4
20 AD5
21 AD6
22 AD7
23/24 GND
25/26 24
P
27/28 12 P
29/30 GND
31 Bus
select0
32 Bus select1
33 Bus select2
34 enable
The bus select signals refer to the different modules (e. g. module 0..7). So up to 8 additional modules can be
connected. The address bits select e. g. single components (relays, LED drivers, AD converters etc.) on the modules.
The data bits write or read the information of said items.