Knick Stratos Evo A402, User Manual

Page: 9 / 196

9
I input
The analog (0) 4 ... 20 mA current input can be used
for external pressure or temperature compensation.
(TAN required.)
Control inputs
HOLD
(floating digital control input)
The HOLD input can be used for external activation of
the HOLD mode.
6
7
13
11
12
Current
input
HOLD
input
CONTROL
input
CONTROL
(floating digital control input)
The CONTROL input can be used either for parameter
set selection (A/B) or for flow monitoring.
The "Wash" contact can be used for indicating the
active parameter set.
Power supply
Current is provided through a universal power supply 80 ... 230 V AC,
45 ... 65 Hz / 24 ... 60 V DC.
Options
Additional functions can be activated by entering a TAN.
Introduction