FAST-Bi-1K5 – User’s Manual
33
The maximum safe current sourced by the PCS output for load resistors smaller
than 1 Ω is 150 mA. For load resistor larger than 25 Ω the maximum PCS output current
is
roughly
obtained by Ohm’s law on the load resistor (24V divided by the load resistor
value).
3.4
Optional Unit FB1K5OPT0001
The additional option FB1K5OPT0001 for the FAST-Bi-1K5 includes input
connectors (SDA jack) for an external Trigger signal (TRG. IN), for an Analog control
(AN. IN) and for an additional conversion (ADC) auxiliary channel (AUX. IN), see
. An input connector for K-type thermocouple is also present.
Figure 20:
SDA jack input connectors and K-type for thermocouple.
A brief description of these features and their functionalities is presented
hereafter.
Trigger Input (TRG. IN)
The Trigger Input (TRG. IN) accepts TTL (5V) and LVTTL (3.3V) compatible
signals and should be driven by a low-impedance source.
The logic levels are subject to a hysteresis that allows for these recognized
values that guarantee correct operation of the trigger as listed in
CAUTION
The SMA connectors are not floating but they are referred to the
Chassis Earth.
