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Delta Electronics DOP-A/AE/AS Guía De Conexión

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Delta DOP Series HMI Connection Manual|DOP-A/AE/AS Series 
Revision January, 2008, Doc. Name: 2007PDD23000007 
 
 
1-37 
NOTE
  
1) Communication 
Settings: 
y
 
In Hitachi EH series PLC, only port 1 can be used for communication through procedure 2. The 
user can select procedure type via DIP switch and specific Special Internal Input (WR). 
y
 
In Hitachi EH-150 series PLC, only EH-CPU***A/448/516/548 can use procedure 2. 
y
 
It needs to set the external I/O (WX, WY, X, Y) of EH series PLC first or HMI cannot read and write 
their addresses. 
y
 
Hitachi EH series PLC and PC can be connected only by procedure 1 (@19200bps) 
2)  CPU Relevant Notice: 
EH-150 
y
 
DIP5 should be set to ON. 
y
 
If DIP5 is set to ON, PLC will determine the proper procedure (1 or 2) by the value of WRf037. 
When setting the address, the highest bit of write value must be 1 and then PLC can write the value 
into other seven bits. The data will not lost even when the power of PLC is cut off. Therefore, 
i) 
Write the value 0x8000 into the address. After restart PLC, the address value will become 
0x0000 and perform communication by procedure 1. 
ii) 
Write the value 0xC000 into the address. After restart PLC, the address value will become 
0x4000 and perform communication by procedure 2. 
y
 
Use DIP3 and DIP4 to set the communication speed of port 1. 
i) 
When DIP3 is ON and DIP4 is OFF, the communication speed is 19200bps. 
y
 
Use DIP6, PHL to set the communication speed of port 2. 
i) 
When DIP6 is ON and PHL is OFF, the communication speed is 19200bps. 
ii) 
The EH-150 PLC is a “Base Unit” which has a built-in CPU module. This unit allows easy 
connection of extension module, such as “External I/O”. 
MicroEH 
y
 
DIP5 is used to set communication speed. 
i) 
When SW1 is ON, the communication speed is 19200bps. 
y
 
MicroEH PLC will determine the proper procedure (1 or 2) by the value of WRf01a. Different than 
EH-150, when setting the address, the highest bit of write value does not need to be 1. But the data 
will lost even the power of PLC is cut off. However, if set the value of R7f6 to 1, the data of WRf01a 
will be saved into Flash memory. 
i) 
0x0000 for procedure 1. 
ii) 
0x8000 for procedure 2. 
iii) 
If the PLC uses procedure 2 and saves the data into Flash memory, it cannot connect to 
the peripheral devices and programs (Ladder Editor) that only support procedure 1. 
iv) 
Standard External I/O built in MicroEH PLC are listed as below: 
„
 
Digital Type