Installation and start-up Connecting peripheral equipment
EN 3925-0060 V207-00 MANUAL R03.doc
HeMaTech
Prüftechnik
After connecting the hose to the specimen connection, tighten the spigot nut of the fit-
ting and check for tight fit.
After connecting the hose, tighten the spigot nut of the fitting and check for tight fit.
If necessary plug the hose to the reference volume connection, tighten the spigot nut
of the fitting and check for tight fit.
Connecting the machine control
There are several possibilities for communication between tester and machine control:
1. Parallel interface
− the 37-pin Sub-D socket, digital OUT,
X20 (position number 11, on back), for output signals
− the 37-pin Sub-D socket, digital IN,
X21 (position number 12, on back), for input signals
Wire the plugs first according to the
plug assignment diagram
in the
appendix
.
Provide a suppressor circuit
(g.g. varistor or diode) for all output signals, in order to avoid interferences.
The tester requires a pulse of at least 0.5 second. The outputs need approx. 5 mA, the
outputs can be loaded with max. 0.5 A (max. 30 VDC).
Once all preparations have been made:
Connect all plugs and ensure tight fit.
The modes of input and output signals can be found in the enclosed flow chart.
2. Serial interface.
2.1 Serial interface with register programming format
(see menu 3. SETUP PARAMETER command reference - remote control
via serial interface).
2.2 Serial interface with Profibus format
(see menu 3. SETUP PARAMETER command reference - Profibus output
format).
NOTE!
If you do not connect a reference volume, you must close the refer-
ence volume connection with the blind cap provided for this purpose.
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