Ecograph T
4
Hauser
Channel isolation
All analog inputs are galvanically isolated from one another. The testing voltage between the channels is 500
V (no safety isolation)
Scan rate
All channels are scanned within 100 ms.
Resolution
For all ranges:
≥
18 bit
Integration (option)
It is possible to calculate an intermediate, daily, monthly, yearly or total value (13-digit, 64 bit).
Digital inputs
Number
1 digital input
Input level
To IEC 61131-2:
Logical "0" (corresponds to -3 to +5 V), activation with logical "1" (corresponds to +12 to +30 V)
Input frequency
Max. 25 Hz
Pulse length
Min. 20 ms
Input current
Max. 2 mA
Input voltage
Max. 32 V (steady-state, without destroying input)
Selectable functions
Control input, ON/OFF message, pulse counter (13-digit, 64 bit), operating time, operating time.
Functions of the control input: start recording, background illumination OFF, operating lock, time
synchronization.
Output
Auxiliary voltage output
The auxiliary voltage is provided to activate the digital input (or sensors) with floating contacts and is
galvanically isolated from the system and the inputs (testing voltage 500 V). The ground of the auxiliary voltage
and the ground of the digital input are electrically interconnected.
Output voltage:
Approx. 24 V, max. 28 V
Output current:
Maximum 250 mA, short-circuit proof, not stabilised
Auxiliary voltage output
The auxiliary voltage is provided to activate the digital input (or the sensors) with floating contacts and is
galvanically isolated from the system and the inputs (testing voltage 500 V). The ground of the auxiliary voltage
and the ground of the digital input are electrically interconnected.
