Nilfisk-ALTO DPA6000 - Manual (Page 13)

12
RS232
RS232 (9Pin-F)
PIN 5 PIN 3 PIN 2
(RXD) PIN3
(GND) PIN5
(TXD) PIN2 PIN 3(RXD)
PIN 2(TXD)
PIN 5(GND)
The wire must be changed between 2,3 pin.
9 PIN 9 PIN
Special attentions for R 232 interface: S
1. Be careful not to use the pin-to-pin cable in the system, it may damage the communication part of this unit.
2. Be sure to use the female connector on both sides of the cable.
3. The length of this cable must not exceed 30 meters, or there would be some unexpected communication errors.
4. If you want to use a long distance remote control, it would be better to use shielding wire for this cable.
8. CONNECTIONS
The following diagrams show the schemes of the recommended cables and some connection examples referred to
various system configurations.
Inputs A & B, RS485 IN
3
1
2
GROUND
HOT (+)
COLD ( )
Inputs A & B
GROUND
HOT (+)
COLD ( )
RING
SLEEVE
TIP
BALANCED XLR-M
BALANCED JACK
Parsllel Output Connectors, RS485 OUT
GROUND
HOT (+)
COLD ( )
3
2
1
BALANCED XLR-F