A&D Profibus Interface AD-4402 OP-22 Instruction Manual - page 13
AD-4402 OP-22
Page 11
5.2.
5.2.
5.2.
5.2.Command Bits
Command Bits
Command Bits
Command Bits
5.2.1.
5.2.1.
5.2.1.
5.2.1.How to Use Command Bit
How to Use Command Bit
How to Use Command Bit
How to Use Command Bitssss
Command bits can be stored in 3rd and 4th words
When executing the function assigned to a bit, turn on the bit.
The function has effect at the leading edge (rising edge) of the bit.
Keep the signal level at least 30 msec.
Function of Command Bit
bit 0
Zero
bit 1
Zero clear
bit 2
Tare
bit 3
Tare clear
bit 4
Batch start
bit 5
Recipe start
bit 6
Discharge start
bit 7
Mixing start
bit 8
Manual free fall compensation
bit 9
Total command
bit 10
Cancel the last result
bit 11
Emergency stop
bit 12
Pause
bit 13
Restart
bit 14
Clear total of active material codes
OUT DATA
3rd word
bit 15
Clear total of all material codes
bit 0
Clear total of active recipe codes
bit 1
Clear total of all recipe codes
bit 2
Forced batch finish
bit 3
Forced recipe finish
bit 4
Forced discharge finish
bit 5
Error reset
bit 6
Leading edge (Up)............Hold data
Trailing edge (Down) ........Release data
bit 7
Manual print command
OUT DATA
4th word
bit 8 to bit 15
Internal reservation. (Do not change bit.)
5.2.2.
5.2.2.
5.2.2.
5.2.2.Execution Procedure of Command Bit
Execution Procedure of Command Bit
Execution Procedure of Command Bit
Execution Procedure of Command Bitssss
Step 1 Turn off all bits of the "Command bits" in the PLC memory.
Step 2 Turn on the bit in the PLC memory, to execute the function.
Step 3 Then the AD-4402 executes the function.
Step 4 Turn off all bits of the "Command bits" in the PLC memory.