National Instruments RMX-4120 User Manual page 83

Chapter 3 External Control
Pin Signal
1 CV STATUS
2 CC STATUS
3 ALM STATUS
4 PWR ON STATUS
5 OUT ON STATUS
6 to 9 STATUS COM
The above signal output circuit is protected with reinforced insulation from the MAINS.
1 Open collector output: Maximum voltage of 30 V and maximum current of 8 mA.
2 That status common is floating (isolation voltage of 60 V or less), it is isolated from the control circuit.
3-6 | ni.com
Figure 3-7. J2 Connector Pinout
Table 3-2. J2 Connector Signals
On when the RMX programmable power supply is in
CV mode. (open-collector output from a photocoupler)
On when the RMX programmable power supply is in
CC mode. (open-collector output from a photocoupler)
On when a protection function (OVP/OVP2/ OCP/ OHP/
OHP2/ FAN/ SEN/ACAC-FAIL) is activated.
(output through an open-collector photocoupler)
Outputs a low level signal when power is turned on
(output through an open-collector photocoupler)
On when output is on (output through an open-collector
photocoupler)
Status signal common for pins 1 to 5
Description
1
1
1
1
1
2 .