Vacuum Gauge Controller

Table of Contents:

Page Status

Date	Initials	Change
June 24, 2021	SG	Changed page name from Leybold GRAPHIX Two (to match convention used for other pages)
April 20, 2021	SG	First draft complete (for Will and Brad to get started with)

Description	Qty	Source	Part Number	Notes
Vacuum Gauge Controller	1	Leybold	GRAPHIX Two	Controls the gauges on the chamber
RS-232 to Ethernet Adapter	1	Lantronix	UDS 2100	This is the version with two serial ports

(This device at lower right)

	Action	Notes
1	Read Channel 1 Pressure Value	Value reported as telemetry (see below)
2	Read Channel 2 Pressure Value	Value reported as telemetry (see below)
3	Channel 1 Gauge Status	Value reported as telemetry (see below)
4	Channel 2 Gauge Status	Value reported as telemetry (see below)
5	Set Point 1 Status	Value reported as telemetry (see below)

Setting	When Needed			Notes
	Build	Observing	Maintenance
Telemetry Read Cadence	Yes	No	Maybe

	Parameter	Report Frequency	Purpose
1	Channel 1 Pressure Value	Once per minute [TBD]
2	Channel 2 Pressure Value	Once per minute [TBD]
3	Channel 1 Gauge Status	Once per minute [TBD]
4	Channel 2 Gauge Status	Once per minute [TBD]
5	Set Point 1 Status	Once per minute [TBD]	Check on gate valve position

	Parameter	Threshold	Notes
1	Chamber pressure too low	TBD
2

Description

File

Source

1

Leybold Manual

2

	Description	File	Source
1
2