INFICON HLD6000 Refrigerant Leak Detector Interface Description - Manual (Page 5)

Interface Protocols 5
Now: Last 3 digits are error number, no message type
1.2.2 Normal Protocol
Command ‘T’
Command ‘T’ not supported
Reason: Totally different display / menu at the HLD6000
Display IDs
03: Program menu
Reason: Totally different menu access control at the HLD6000
Parameter IDs
2: Function of the probe button
‘3 = SEARCH’ omitted; no search-mode in HLD6000, use the second set
point
20: Baud Rate
Reason: Fixed baud rate in HLD6000
35: PIN-Code
Reason: Totally different menu access control at the HLD6000
55: Contrast
Reason: No Contrast setting for HLD6000 display
56: Language
Reason: Different language setting, no influence on device behavior via
serial interface
Remote IDs
00: Enable program menu
Reason: Totally different menu access control at the HLD6000
01: Lock program menu
Reason: Totally different menu access control at the HLD6000
11…18: Simulates a pressed Softkey
Reason: No Softkeys at HLD6000 front panel
Status IDs
67: Last error in error list
Changed: ‘T’ and ‘NN’ are used for the 3-digit error number
79: Current status of the LED display
Reason: No LED display in HLD6000
81: Menu status
Reason: Totally different menu at the HLD6000