Panasonic Minas A4 Series - Page 291

289
[Supplement]
Supplement
Timing of Data Communication
• In case of RS485 (RS232 to follow)
T3
0 – 2ms
0 – 2ms 0 – 2ms0 – 2ms 0 – 2ms
0 – 2ms0 – 2ms 0 – 2ms
T3T4
Enquiry for transmission
Permission for 
transmission
ACK/
NAK
Data block
Enquiry for 
transmission
Permission for 
transmission
ACK/NAK
Data block
T5 T4
T3 T3T5 T4 T5
Host to driver
Driver to host
RS485 bus 
occupation
Host to driver
Driver to host
RS485 bus 
occupation
Symbol
T3
T4
T5
Title
Continuous inter-character time
Response time of driver
Response time of host
Minimum
Stop bit length
4ms
2ms
Maximum
Protocol parameter T1
Protocol parameter T2
Protocol parameter T2
<Caution>
Above time represents a period from the rising edge of the stop bit.