REFU REFUsol 50K-3T Bedienungsanleitung Seite 21

IN2 IN4 IN6 DRM0 +5V
IN1 IN3 IN5 OUT GND
IN2 IN4 IN6 DRM0 +5V
IN1 IN3 IN5 OUT GND
9
Fig. 17: Communication board
1 LCD display connection
2 Control board connection
3 Fan connection
4 GPRS/WiFi connection
5 RS485 IN connection
REFUsol 50K-3T
982081 | 03 | 2021-03
6 RS485 OUT connection
7 microSD card slot
8 Digital inputs
9 Relay connection (CNT10)
Tab. 2: Communication ports, digital inputs
Terminal connection
Designa- IN1 IN2
tion
Function/ IN1 IN2
⇔ ⇔
circuit for
power re-
GND GND
duction
P = P =
N N
0 % 30 %
4
Fig. 18: RS485 and radio ripple control
Technical Description
Communication Interfaces
IN3 IN4 GND DRM0
IN3 IN4 Logic- –
⇔ ⇔
GND
GND GND
P = P =
N N
60 % 100 %
1
2
PC
3
21