Hitachi HIDIC EH-150 Applications Manual page 61

There are two ways for EH-ETH (specified as active) to open ASR connection.
1. To send a request to open automatically after initializing of EH-ETH completed.
2. To send a request to open by user program.
Caution
ASR information must be set correctly to open ASR connection.
Table 7.2.1.1 The way to open ASR connection (Active port)
Conditions to open ASR connection
Initializing (EH-ETH is initialized when ;)
1) At Power ON
2) Press the reset button
3) Software initializing (ladder program required)
Set 1 to "Request to open bit" (ladder program required)
Caution
- In case of initializing, you do not need user program.
- In case you need to open the connection manually, you must use status register (SR) and control register (CR) with
FUN201 command in your ladder program. Please refer to "chapter 8 register construction" in details about registers.
- In this manual, register and each bit are often described with abbreviation. For each abbreviation , please see "Chapter
8, table 8.2 register list (page 8 - 15)"
- In this manual, register and each bit are described as below format.
[register abbreviation].[bit abbreviation]
Ex. Connection control register (CNCR) connection 1 open request bit (OPN1)
CNCR.OPN1
If a connection is opened by another station specified as active, the passive station is only waiting. So you do
not need any program in the passive station.
Chapter 7 Automatic Sending/Receiving function (ASR)
Description
A Request to open connection will be sent
to specified station
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