JUMO mTRON T Manual page 50

4 Serial transmission modes
Chronological sequence
The respective interface searches for all frames configured for it (setup program: CPU > S
> M
ONLY
them in sequence to frame 1, frame 2, and frame 3 as displayed below.
Frame 1
request + answer
actual time spent to transfer all frames
configured scanning cycle
NOTE!
The actual time it takes to transmit all frames can be read under the Modbus addresses
0x00EC and 0x010C (serial) and under the Modbus addresses 0x009D, 0x00B0, 0x00C3,
and 0x00D6 (Modbus/TCP).
If the configured scanning cycle is greater than the elapsed actual time required for scanning,
the central processing unit waits to process the next cycle and thus minimizes the bus load. If
the configured scanning cycle is too short, all configured frames are completely processed cy-
clically without a delay.
50
ODBUS FRAMES FOR READING
Frame 2
request + answer
/ > menu item I
WRITING
Frame 3
request + answer
) and cyclically transmits
NTERFACE
Frame 1
request + answer
ETUP
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