RDC6685U(-DFM) Control System manual
4.1 Interface of Main Power Source CN0
Pin
Symbols
Definitions
1
GND
24V power ground (input)
2
+24V
24V power positive (input)
Caution
The control system uses a single 24 V power supply, in order to leave
a certain margin, it is recommended to choose the 24V power supply
above 3A.
4.2 Panel Signal-Cable Interface HMI
The panel signal-cable is a pin-to-pin cable, which is included in the factory
shipper bill.
4.3 Udisk Interface
Udisk is a USB-AM interface. The controller may visit the u-disk by this interface.
4.4 PC-USB Interface
port.
PC-USB is a USB-BM interface. The controller may communicate with PC by this
4.5 Ethernet Interface
Using this interface, the mainboard can communicate with PC by 10/100MHZ
Ethernet.
Pin to Pin Ethernet parallel line is recommended.
Caution
4.6 Extended Communication Port CN1
Pin
1
Symbols
TX1
Definitions
The TX for the first RS232 port
SHENZHEN RUIDA TECHNOLOGY
19