![background image](http://html1.mh-extra.com/html/omron/ej1-ethercat/ej1-ethercat_user-manual_742375163.webp)
138
Programless Communications
Section 5-1
3.
Then change the Request Bits to the multi action setting of 0002.
• Each set of Request Bits has a corresponding set of Response Bits. Once
the Request Bits have been set, the Response Bits operate in the order
shown in the following table.
Type
Order of action
Single
1. The PLC sets the Request Bits.
2. The EJ1 performs a single action.
3. The EJ1 sets the Response Bits to the same value as the Request Bits.
4. The PLC clears the Request Bits.
5. The EJ1 clears the Response Bits.
Type
Order of action
Multi
1. The PLC sets the Request Bits.
2. The EJ1 sets the Response Bits to the same value as the Request Bits.
3. The EJ1 performs a multi action.
Type
Order of action
Operation
stopped
1. The PLC clears the Request Bits.
2. The EJ1 clears the Response Bits.
1.
Sets the Request Bits
to 0001.
PLC processing
Single action
Single action
completed
EJ1 processing
4.
Clears the Request
Bits.
3.
2.
Sets the Response
Bits to 0001.
5.
Clears the Response
Bits.
Sets the Request Bits
to 0002.
1.
PLC processing
Sets the Response
Bits to 0002.
Checks the
Request Bits.
Multi action
EJ1 processing
2.
3.
Summary of Contents for EJ1 EtherCAT
Page 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Page 3: ...iv ...
Page 19: ...xx ...
Page 213: ...188 Detailed Description of Services Section 6 4 ...
Page 227: ...202 Detailed Description of Services Section 7 5 ...
Page 303: ...278 Index ...
Page 305: ......