Edwards STP-iS2207C

STP-iS2207 Series Turbomolecular Pump
MT-89E-001-C
Page 89
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 47 - Example of communication cycle process