Edwards SCU-1600

SCU-1600 Control Unit for Turbomolecular Pump
March 10 90 Issue 1-a
5
SERIAL COMMUNICATION PROTOCOL
Remote mode Value
I/O Remote 1
COM1 2
COM2 5
STP-Link 6
[System reservation] 3, 4
Table 27 - Remote mode
Example:
Remote mode setting : 01
hex
= I/O Remote
TMS function setting : 00
hex
= ENABLE
INHIBIT setting : FF
hex
= DISABLE
Emergency vent valve setting : FF
hex
= DISABLE
Parameter 1 2 3 4
ASCII 0 1 0 0 F F F F
HEX 30 31 30 30 46 46 46 46
5.4.11 ReadEvents
Function: Reads the "Error Record". It has the most recent 10 errors that have been detected.
Transmission frame:
PC->SIM Stx 0 0 1 ? g Etx LRC
SIM->PC Ack
PC->SIM Ack
SIM->PC Stx 0 0 1 Bsp g Parameter 1 to 11 Etx LRC