Edwards STP-iX457 Series - Example of Communication Cycle Process

STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page 90
5
SERIAL COMMUNICATION PROTOCOL
C
ommunication cycle
s
tart
Succeeded?
Decode process
Error process
Address selection:
First TMP
RS485 multipoint
connection?
Address selection:
Next TMP
C
ommunication cycle
end
Command sending process
Succeeded?
Answer receiving process
Yes
This procedure is not necessary
if TMP connection number = 1.
No
Yes
Yes
Yes
Yes
No
No
No
No
RS485 multipoint
connection?
Address check:
Last TMP?
Figure 59 - Example of communication cycle process