Horner-apg QX351 OCS HEQX351C103 Instrukcja Użytkownika Pobierz pdf (Strona 26)

CH.5 MAN0892-03-EN

February 25, 2010 Page 26 of 109 # 1039

Figure 5.2: MJ Serial Port Connectors and DIP Switches for RS-485 Port Termination

Table 5.2 – – MJ2 Serial Port Pin Assignments

Pin Signal Signal Description Direction

1 RX+ RS-485 Receive Positive In

RX−

RS-485 Receive Negative

3 TX+ RS-485 Transmit Positive Out

TX−

RS-485 Transmit Negative Out

5 +5* +5 VDC 60mA max Out

6 0V Ground

−

7 TD

RS-232 Transmit Data In

8 RD

RS-232 Receive Data Out

Switch

Position

MJ2 Pinouts in Full and Half Duplex Modes

* +5Vdc 60mA Max

MJ2 Pins

Signal Direction

TXD OUT

RXD IN

0 V Ground

+5 60mA OUT

TX- OUT

TX+ OUT

RX- IN

RX+ IN

MJ2 Full Duplex Mode

MJ2 Half Duplex Mode

MJ2 Pins

Signal Direction

TXD OUT

RXD IN

0 V Ground

+5 60mA OUT

TX- OUT

TX+ OUT

TX-/RX- IN/OUT

TX+/RX+ IN/OUT

* +5Vdc 60mA Max

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 108 109

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