Download Model 6400EH - Teledyne Analytical Instruments

Operating Instructions
Model 6400EH
Table 6-6: Control Input Signals
INPUT #
STATUS DEFINITION
ON CONDITION
A
REMOTE ZERO CAL
The analyzer is placed in Zero Calibration mode. The mode field of the
display will read ZERO CAL R.
B
C
D, E & F
REMOTE
HIGH SPAN CAL
The analyzer is placed in low span calibration mode as part of
performing a low span (midpoint) calibration. The mode field of the
display will read LO CAL R.
REMOTE
LO SPAN CAL
SPARE
The ground level from the analyzer’s internal DC power supplies
(same as chassis ground)
Digital Ground
U
+
If the instrument is set for DUAL or AUTO reporting rang mode,
activating this input causes the analyzer to enter high range span
calibration mode. The mode field of the display will read SPAN CAL R.
External Power input
5 VDC output
Input pin for +5 VDC required to activate pins A – F.
Internally generated 5V DC power. To activate inputs A – F, place a
jumper between this pin and the “U” pin. The maximum amperage
through this port is 300 mA (combined with the analog output supply, if
used).
Teledyne Analytical Instruments
30