Omron EJ1 User Manual page 163

Modular temperature controllers
Hide thumbs Also See for EJ1:
Table of Contents

Advertisement

Programless Communications
138
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
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.
PLC processing
Sets the Request Bits
1.
to 0001.
Clears the Request
4.
Bits.
Type
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.
PLC processing
Sets the Request Bits
1.
to 0002.
Type
Operation
1. The PLC clears the Request Bits.
stopped
2. The EJ1 clears the Response Bits.
Order of action
EJ1 processing
2.
Single action
Single action
completed
Sets the Response
3.
Bits to 0001.
Clears the Response
5.
Bits.
Order of action
EJ1 processing
Checks the
Request Bits.
Sets the Response
2.
Bits to 0002.
3.
Multi action
Order of action
Section 5-1

Advertisement

Table of Contents
loading

Table of Contents