meteocontrol Power Control Operating Manual page 75

The following example shows the connection of the PCU to WEB`log PRO in
the event that WR are connected to the RS485 with a proprietary protocol.
For the connection of the PCU to the WEB`log PRO (see Fig. below), the
connection cable (No. 4) must be configured in accordance with section
6.3.6.1.
+
24V
3
Fig. 48: Connection PCU <> WEB`log Pro
(1)
(2)
Notice
If voltages of more than 24 V DC are applied to the digital inputs, this can
destroy the respective measuring inputs.
–
Ensure that only voltages of up to 24 V DC are applied.
Further information about this topic:
Operating manual
WEB`log PRO installer
meteocontrol Power Control 03082012 - en
+ +
+
RS232 RS485
Protect
A B
4
110 V
N L AC
230 V
3
PCU
WEB`log Pro
1
RS485 Term Modbus Ethernet
A B
high low
- + - + - + - +
AI4 AI3 AI2 AI1
+ -
Phone Ethernet
24 V
(3) DC 24V power supply
(4) Modbus RTU
Installation, mounting
- + - + - + - +
DI1 DI1 DI1 DI1
2
RS232/ + -
RS485
DO1
RS422
4
75/78