Manual LogoTronic Hub OTC
8
3.1 Electrical connections for the LogoTronic Hub OTC
Legend:
Pos. Identification
Connection
Comment
Pin assignments
4
3
2
1
A
L, N, PE, 230V
Power supply
Mains connection
device: AC 230V,
50Hz
-
PE
N
L
B
EXT. TEMP
Outside
temperature
sensor (AT)
NTC, 10K resistor,
for type see
Chapter 7.2.6
-
GND
Temp
in
C
RS 485 COM
Modbus
connection*
or for e.g.
adapters for
flashing and
configuring
GND
24V DC
RS485-B RS485-A
Note:
The connectors are labelled on the cover plate.
The connection cables for this must be assembled on site!
*for connecting the RS-485 interface: see also Chapter 7.2.1
4. Commissioning
The LogoTronic Hub OTC is tested during production. All settings are preset to ensure safe and
efficient operation.
If you want to change certain settings, then these changes will be made ex works.
The connections (see Chapter 3.1) to items (A), (B) and (C) must be made professionally by the
customer!
Example representations
