NF HVA4321, Instruction Manual

Page: 43 / 152

3.3 Monitor and control signal system
HVA4321
3-11
3.3 Monitor and control signal system
3.3.1 Monitor
MONITOR VOLTAGE
It is the BNC connector for the monitor signal of output voltage.
・ Gain: 1V/1kV
・
Output impedance: 50
Ω±
10%
MONITOR CURRENT
It is the BNC connector for the monitor signal of output current. In constant current mode, current
selected by TOTAL/LOAD is monitored.
・
Gain: 1V/10 mA
・
Output impedance: 50
Ω±
10%
Figure3-15. Monitor output
SIGNAL ON/OFF STSTUS
It is the total level signal output that indicates SIGNAL ON/OFF status. When the signal is ON, the
level is low (approx. 0.1V or less). When the signal is OFF, the level is high (approx. 4.5V or more).
1/ Signal switch
Figure3-16. Status signal output
SI GNAL ON/ OFF STATUS
OUTPUT
MONI TOR
VOLTAGE CURRENT
TTL(Lo: ON)
Zout 10k
Ω
1V/ 1kV
Zout 50 Ω
1V/ 10mA
Zout 50 Ω
SI GNAL ス イ ッ チ
SI GNAL ON/OFF
STATUS
ON OFF
LOW HI GH HI GH
OFF
SIGNAL SWITCH
SIGNAL ON/OFF
STATUS