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6. FACTORY HARDWARE OPTIONS
Power Supply Options
This table shows the three different power supply configurations that may be ordered with
TCG 01-G.
Designator
L (Low)
M (Medium)
H (High)
High Voltage (MOSFET) Output Option
TCG 01-G may be ordered with either or both of the P2 and P3 outputs configured with a high
voltage FET switching transistor instead of the standard 5 V logic output. When fitted in this
manner, each output can switch a 300 V DC, 1 A external load.
External wiring should be arranged so that the external high voltage supply line (up to 300 V DC
max) is connected, via a fuse, to the load (Figure 11). The return connection from the load is then
wired to one terminal of the P2 (P3) output, and the other terminal of the P2 (P3) output is then
wired to complete the circuit back to the other side of the power supply. Do not connect the high
voltage supply to P2 or P3 unless the high voltage option is fitted
the TCG 01-G unit.
Output isolation (from chassis and other I/O) is still maintained when the HV option is fitted. This
simplifies the external load/supply arrangements, particularly when operating with positive-earth
systems as in many utility facilities.
of an external fuse to protect the external power supply, the TCG 01-G output switch
and the load. Note: At all times, the polarity of the P2 (P3) connections should be
i.e.
result in the output being permanently on, regardless of the state of the output.
Positive earth system
TEK-TCG 01-G-Manual-v5-092016
© 2016 by Tekron International Limited. All Rights Reserved. All trademarks are the property of their respective holders. The
information in this document is provided for informational use only and is subject to change. For further information or support, go to
www.tekron.com.
DC Input Range
14 - 36 Vdc
20 - 75 Vdc
90 - 300 Vdc
FUSE
+ P2
0
TCG 01-G with
HV MOSFET
P a g e
| 22
check the label on the base of
. Failure to observe the polarity will
LOAD
300Vdc max
+
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