Mitsubishi Electric MELSEC iQ-RJ71EIP91 - Page 157

APPX
Appendix 3 Buffer Memory
155
A
UCMM communication execution command
■UCMM communication execution command (Un\G393216 to Un\G393249)
This area requests and checks communication during UCMM communications.
The following table lists the assignments for each area.
The value of each bit indicates the request command number. (No.1 to No.32)
The following figure shows the timing chart for the execution of the UCMM communication execution request.
Address Item Description
Un\G393216 to Un\G393217 UCMM data link execution request Requests execution to send the request command over UCMM
communications.
• On: Request present
• Off: Request not present
Un\G393232 to Un\G393233 UCMM data link execution request
acceptance
Stores the acceptance status of the UCMM communication execution request.
• On: Accepted
• Off: Not accepted
Un\G393248 to Un\G393249 UCMM data link execution completion Stores the execution status of the UCMM communications.
• On: Completed
• Off: Not completed or unexecuted
Address Bit
UCMM data
link
execution
request
UCMM data
link
execution
request
acceptance
UCMM data
link
execution
completion
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Un\G393216Un\G393232Un\G39324816151413121110987654321
Un\G393217 Un\G393233 Un\G393249 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
(1) UCMM communication execution
ON
OFF OFF
ON
OFF OFF
ON
(1)
OFF OFF
Request command Response command
Data transmission and data
reception
'UCMM data link request
command and UCMM data link
receive command'
(Un\G393280 to Un\G442431)
'UCMM data link execution
request (Un\G393216 to
Un\G393217)
'UCMM data link execution
request acceptance'
(Un\G393232 to Un\G393233)
'UCMM data link execution
completion' (Un\G393248 to
Un\G393249)
Performed by the RJ71EIP91
Performed by the program