Mitsubishi Electric QJ71E71-100 User Manual page 306

(7) Predefined protocol support function execution status check area (address:
54C0 to 55FF
H
The following table lists the details of the predefined protocol support function execution status check area.
The buffer memory addresses are those of Connection No.1. For the addresses of the Connection No.2 and later,
refer to the list of buffer memory addresses. (
Buffer memory name
Protocol execution status
Received data verification
result (receive packet
No.1)
Received data verification
result (receive packet No.2
to 16)
Number of protocol
executions
Protocol cancellation
specification
(a) Received data verification result
The following information is stored in Received data verification result.
• Element No. where the verification result did not match (b0 to b7)
0
1 to 32
FF
H
304
)
H
Address
The status of protocols being executed in Connection No.1 is stored.
0: Unexecuted
1: Waiting for transmission
54C0
2: Sending
H
3: Waiting for data reception
4: Receiving
5: Completed
Verification result of receive packet No.1 is stored. (
54C2
• b0 to b7: Element No. where the verification result did not match
H
• b8 to b15: The cause of mismatch (verification result code)
54C3 to
H
The bit configuration is the same as receive packet No.1.
54D1
H
The number of protocol executions in Connection No.1 is stored.
• 0: No protocol execution
54D2
H
• 1 to 65535: Number of executions (When the number exceeds 65535, the value remains
65535.)
Cancels the protocol executed in Connection No.1.
• 0: No cancellation specification
54D3
H
• 1: Cancellation request (set by user)
• 2: Cancel completed (set by the system)
Stored value
Page 37, Section 3.5.2)
Description
Verification matched
Element No. where the verification result did not match
Verification not performed
Page 304, Section 16.6 (7) (a))
Description