Proface LT3300 - 5.7 All-in-One HMI" Uživatelský manuál stáhnout pdf (Strana 49)

LT3000 Series Hardware Manual

2-22

Serial Interfaces (COM1)

This interface is used to connect an RS232C/RS422/RS485 *

cable. D-sub 9-pin plug connector is used.

In the case of RS232C

In the case of RS422C/RS485

*1 Communication method is switched via software.

*2 The RI/VCC selection for Pin #9 is switched via software. The VCC output is not protected against

overcurrent. To prevent damage or a unit malfunction, use only the rated current.

LT Connector XM2C-0942-502LX <OMRON Co.>

Interfit Bracket #4-40 (UNC)

Recommended Cable Connector XM2D-0901 <OMRON Co.>

Recommended Cable Cover XM2S-0913 <OMRON Co.>

Recommended Jack Screw

(#4-40 UNC)

XM2Z-0073 <OMRON Co.>

Arrangement

Pin No.

RS232C

Signal Name Direction Meaning

1 CD Input Carrier Detect

2 RD(RXD) Input Receive Data

3 SD(TXD) Output Send Data

4 ER(DTR) Output Data Terminal Ready

5 SG - Signal Ground

6 DR(DSR) Input Data Set Ready

7 RS(RTS) Output Request to Send

8 CS(CTS) Input Send Possible

9 CI(RI)/VCC Input/-

Called status display

+5V

±5% Output 0.25A

Shell FG -

Frame Ground

(Common with SG)

Arrangement

Pin No.

RS422/RS485

Signal Name Direction Meaning

1 RDA Input Receive Data A(+)

2 RDB Input Receive Data B(-)

3 SDA Output Send Data A(+)

4 ERA Output Data Terminal Ready A(+)

5 SG - Signal Ground

6 CSB Input Send Possible B(-)

7 SDB Output Send Data B(-)

8 CSA Input Send Possible A(+)

9 ERB Output Data Terminal Ready B(-)

Shell FG -

Frame Ground

(Common with SG)

(LT unit side)

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 92 93

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Proface LT3300 - 5.7 All-in-One HMI" Uživatelský manuál Strana 49

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