CPS-i2000(R2) MANUAL
Signal Inhibit (INH) Interlock
INH is high as soon as the connection between the contacts of the control input INH is interrupted.
Output Open Collector I
MAX
=10mA, V
LOW
≤
0,6V, V
MAX
=30V.
Auxiliary V12V (AUX)
The power supply offers an auxiliary voltage 12V/500mA. The accuracy is ±500mV. Ripple & Noise 30mVpp.
The auxiliary voltage is not affected by the control signals Standby (SB), Shutdown (SD) and Inhibit (INH) and
remains always active. Between auxiliary voltage and power output is a reinforced isolation of max. 400Vdc and
a basic isolation of max. 600Vdc working voltage.
DC-OK Relay (DC Power Good)
The signal DC OK has potential-free relay contacts (changeover). The contacts of CON1 Pin2 and CON1 Pin4
are closed (relay coil is energized) when the power output is active. The contacts CON1 Pin2 and CON1 Pin4
are open when the power output is inhibited by SB, SD, INH, ACF, OT, FF, OVP or a defective PFC. Contact
load (resistive load): 30Vdc/1A, 60Vdc/0.3A, 30Vac/0.5A. Between the relay contacts and power output is a
reinforced isolation of max. 400Vdc and a basic isolation of max. 600Vdc working voltage.
DC Fail Signal (DCF)
DCF is high when the power output is disabled by SB, SD, INH, ACF, OT, FF or OVP. Output Open Collector
I
MAX
=10mA, V
LOW
≤
0,6V, V
MAX
=30V.
AC-OK Relay (AC Power Good)
The Power Good relay reports whether the input voltage is too low or missing. The notification signal AC OK is
generated with potential-free relay contacts (changeover).
The contacts of CON1 Pin1 and CON1 Pin3 are closed (relay coil is energized) when the input voltage is higher
than typ. 175Vac or 210Vdc (switch-on). The contacts of CON1 Pin5 and CON1 Pin3 are closed (relay coil is
not energized) when the input voltage is lower than typical 165Vac or 145Vdc (turn-off). Contact load (resistive
load): 30Vdc/1A, 60Vdc/0.3A, 30Vac/0.5A.
Between the relay contacts and power output is a reinforced isolation of max. 400Vdc and a basic isolation of
max. 600Vdc working voltage.
AC Fail Signal (ACF)
The alarm signal ACF is high when the input voltage is lower than typ. 165Vac or 145Vdc.
The alarm signal ACF is low when the input voltage is higher than typ. 175Vac or 210Vdc.
Output Open Collector I
MAX
=10mA, V
LOW
≤
0,6V, V
MAX
=30V.
Over Voltage Protection Signal (OVP)
If an over-voltage occurs to the output (for example, defective components, external feed voltage), it is followed
by the shutdown of the power output. A periodic restart attempts (ticker operation period 1s) and a message is
triggered: The alarm signal OVP is high.
Output Open Collector I
MAX
=10mA, V
LOW
≤
0,6V, V
MAX
=30V.
Constant Voltage Mode (CV)
The signal CV is high when the power supply operates as a constant current source. Output Open Collector
I
MAX
=10mA, V
LOW
≤
0,6V, V
MAX
=30V. When OVP, INH, SB, SD, FF, OCP, OT or a defective PFC occur the mes-
sage signal CV is low because the power output is switched off. The change between the CV and the CC mode
is automatic. Please pay attention to the DIP switch setting of the Fuse Mode to avoid provoking malfunction.
Constant Current Mode (CC)
The signal CC is high when the power supply operates as a constant voltage source. Output Open Collector
I
MAX
=10mA, V
LOW
≤
0,6V, V
MAX
=30V. When OVP, INH, SB, SD, FF, OCP, OT or defective PFC occur the mes-
sage signal CC is low because the power output is switched off. The change between the CV and the CC mode
is automatic. Please pay attention to the DIP switch setting of the Fuse Mode to avoid provoking malfunction.
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