INFICON BCG450 ATM to Ultra-High Vacuum Triple Gauge - Manual (Page 37)

tina40e1-b (2011-04)
37
For commands to the gauge, six defined strings are used:
Byte No.
Command: 0 1 2 3 4 2)
Set the unit mbar on the display 1) 3 0x10 0x8E 0 0x9E
Set the unit Torr on the display 1) 3 0x10 0x8E 1 0x9F
Set the unit Pa on the display 1) 3 0x10 0x8E 2 0xA0
Storage of current unit 3) 3 0x20 0x07 - 0x27
Switch degas on (switches itself off after 3 min.) 3 0x10 0xC4 1 0xD5
Switch degas off (before 3 min.) 3 0x10 0xC4 0 0xD4
Read software version 4) 3 0x00 0xD1 - 0xD1
Reset 3 0x40 0 0 0x40
Switch emission on 5) 3 0x40 0x10 1 0x51
Switch emission off 5) 3 0x40 0x10 0 0x50
Emission Control Mode automatic (AUTO) 6) 3 0x10 0x8A 1 0x8B
Emission Control Mode manual (MAN) 6) 3 0x10 0x8A 0 0x8A
1) Only required for gauges with display (353-552 and 353-553). Transmitted data
is not affected by this setting.
2) Only low order byte of sum (high order byte is ignored).
3) Current unit is stored in power-failure-safe NV RAM.
4) Response value in byte no. 6 of transmitted string.
5) On/off switching requirements → 29.
6) Defines the Emission Control Mode ( → 29)
AUTO = emission on/off automatically controlled by the gauge
MAN = emission on/off controlled via interfaces
Admissible input strings