RTS WM300 Dokumentacja Pobierz pdf (Strona 33)

Chapter 2 Specification of Communication port for CPU module

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Sample program

[Sample 1]

Network consists of two EHV-CPUs as follows, and the Control Editor sets the ASR communication. The setting

information for two EHV-CPUs is as follows.

EHV-CPU2

(Passive, Receive)

EHV-CPU1

(Active, Send)

Data sending

Figure 2.20 Connection diagram of Sample 1

Table 2.10 Setting information of Sample 1

Setting EHV-CPU1 EHV-CPU2

1 IP address 192.168.0.1 192.168.0.2

2 Port No. 4000 4000

3 Protocol TCP/IP-Active, Specified TCP/IP-Passive, Specified

4 Send / Receive Send Receive

5 Access Point – IP address 192.168.0.2 192.168.0.1

6 Access Point – Port No. 4000 4000

7 Send Timing Cyclic sending: 1 second －

8 Transmission area WR0 to WRF －

9 Receiving area － WN0 to WNF

[Description of Sample program]

The connection is opened and the transmitting starts when R0 of EHV-CPU1 is turned ON.

[Sample program of EHV-CPU1]

WRF601 = H0001

While the connection of ASR port a is no

established, ASR port a is opened at the

rising edge of user turns on R0. After the

connection is established, AS

communication is started according to the

setting and data is transmitted at one

second interval.

DIF

WRF600.0

WRF601 = H0000

DFN

When the connection of ASR port 1 is cu

y other station and the cable is cut, the

ASR port open request flag falls when the

connection is closed.

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RTS WM300 Dokumentacja Strona 33