Panasonic minas a4 series Instruction Manual page 291

Timing of Data Communication
• In case of RS485 (RS232 to follow)
Host to driver
Enquiry for transmission
Driver to host
RS485 bus
occupation
Host to driver
Driver to host
0 – 2ms
RS485 bus
occupation
Symbol
T3 Continuous inter-character time
T4 Response time of driver
T5 Response time of host
<Caution>
Above time represents a period from the rising edge of the stop bit.
T3 T4
Permission for
0 – 2ms
transmission
T3 T5
Permission for
Enquiry for
0 – 2ms
transmission
Title
Stop bit length
T3 T5
0 – 2ms
T3 T4
transmission
0 – 2ms
Minimum
4ms
2ms
[Supplement]
T4
Data block
ACK/
NAK
0 – 2ms
T5
ACK/NAK
Data block
0 – 2ms
Maximum
Protocol parameter T1
Protocol parameter T2
Protocol parameter T2
0 – 2ms
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