Hitachi HIDIC EH-150 Applications Manual page 110

(3) Send/ receive test
- In case of using 2 times of EH-ETH modules.
[Outline]
UDP message is communicated between the one EH-ETH for test and the other EH-ETH in normal operation.
[UDP massage format]
The UDP message format which EH-ETH sends network is below.
0 1
Message transmission
Command
number
H01 H0000
[Dip switch setting]
[Test procedure]
(a) Set communication parameter according to the Figure 10.2.2 as below.
(b) Press the reset button of EH-ETH-2.
(c) Download the sample program in the next page to the CPU module with EH-ETH-2. (In this sample, both
EH-ETH are used with the same CPU)
(d) Switch to RUN mode.
(e) Press the rest button of EH-ETH-1. The test will start.
*1: Right I/O assignment is set to CPU module.
[Test time] Approximate 70 seconds
EH-ETH1 (test object)
（ （ （ （ Setting except Dip switch is factory setting.） ） ） ）
・Dip switch setting
Bit 7, 8 ON, Others OFF
・Own IP address
192.168.0.1
・Send/receive test other station IP address
192.168.0.254
・Send/receive test logical port number(Own station, other station)
4000
(Dec)
Figure 10.2.2 System configuration of communication test (1)
2 3 4
Message
H00 H01 H02
Bit7 & Bit8 ON
1 2 3 4 5 6 7 8
ON
10-10
Chapter 10 Troubleshooting
........
Byte
5 1023
........
HFC
EH-ETH-2 (in normal operation)
・Dip switch setting
All OFF
・Own station IP address
192.168.0.254
・ASR connection 1 information
Own Station
Usage :Send/Receive
Protocol :UDP/IP
Open Type :Passive
Port No. :4000
Other Station
Other Station :Specified
IP address
IP Address :192.168.0.1
Port No. :4000
Send Information
Type :Event Send
Cyclic Time :
・ASR connection 1 I/O area
Receive Area Information
No. I/O Top
1 WR 000000
Send Area Information
No. I/O Top
1 WR 000000
HUB
Size
727
Size
513