NGPS – User’s Manual
20
Magnetic Relay Contact (
C-TAP, NO-TAP & NC-TAP) and
Solid State Relay Terminals (Terminal #1 & #2)
shall not float
more than ±60 VDC above/below chassis ground.
Interlocks input and return pins shall not float more than ±60
VDC above/below chassis ground.
Voltage between relay C-TAP and NC-TAP or NO-TAP pins
shall never exceed ± 48 V.
Maximum current rating for the Magnetic Relay is 1 A;
current trough pins #13 and #14 or pins #13 and #15 shall
never exceed 1 A.
Maximum current rating for the Solid State Relay is 400 mA;
current trough pins #7 and #8 shall never exceed 0.4 A.
Do not apply voltage between any input interlock and its
corresponding return.
The interlock pins are galvanically isolated from ground and outputs terminal;
nevertheless, the absolute maximum voltage (w.r.t. to ground) that pins can sustain is
48 V. The two interlocks inputs have their own return connection. The interlock is
hardware-activated when the input pin and its corresponding return pin are shorted.
The system is provided with four external interlock inputs that can be easily
configured using the VISUAL PS graphic software (provided with the power unit, see
the
Remote Control Manual
) or directly using the standard power supply commands. A
detailed description of the configuration of the external interlock using the power
supply commands is hereafter given.
Two output status signals provide the output status of the power module: when
the module is ON, the Normally Closed contact (NC-TAP) switch opens and vice-versa.
The Solid-state relay close the terminals when the module is ON. The behaviour of the
solid state relays (i.e. the status of
can be modified changing the
value of an internal cell memory (cell
#74
). Please refer to the
Remote Control Manual
for more information.
WARNING
CAUTION
