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12
GA 09.035/6.02 - 07/2011 - © Oerlikon Leybold Vacuum
Technical data
Note:
The measurements of the ITR/CTR 100/CTR 101 are transferred digitally.
2.4
Switching functions
2.4.1
Switching function relay
Unit of measurement
mbar, Pa, Torr, Micron
Possible adjustments
Linear transmitters (CTR):
Zero-adjust
Logarithmic transmitters (TTR, PTR, ITR):
Fixed correction factors for N
2
, Ar, H
2
, or a
variable correction factor in the range
0.10…9.99
A/D converter
Resolution > 16 bit
Number of switching functions CENTER TWO: 4
CENTER THREE: 6
Assignment
Can be configured any way
Delay time
Filter time constant dependent
Adjustment range
Transmitter dependent
Hysteresis
Linear transmitters (CTR):
≥
1 % FS
Logarithmic transmitters (TTR, PTR, ITR):
≥
10 % of measurement
Contact type
Change-over contact, floating
Load (ohmic)
Max. 60 VDC, 0.5 A
Max. 30 VAC, 1 A
Lifetime
Mechanical:
10
7
cycles
Electrical:
10
5
cycles at maximum load
Connection
D-Sub, 25 pins, female.
See Fig. 3-8,