
TC-3 Temperature Controller User’s Manual · Page 19
Rear Panel
In addition to the input power connector described above, there are
three connectors on the rear panel of the TC-3: Output connector, USB
connector, and RS232 connector.
TC-3 Rear Panel
TEC Output Connector
The Output connection is a female DB-15, and has the following pin-
out:
DB-15
Pin
Description
1, 2, & 9 TE (+)
3, 4, & 10 TE (-)
5 & 6 Earth Ground
7 Sensor+
8 Sensor-
11 Fan+
12 Fan – (Analog
Ground)
13 ID
14 Remote Sensor+
15 Remote Sensor-
Output Connector (DB-15 Female)
Using the ID Pin
For operation above 5A, the ID pin (pin 13) must be connected analog
ground (pin 12), and make sure all three TE+ and all three TE– pins are
connected.
Using Remote Sensor
The remote sensor pins (pins 14 & 15) are used in RTD 4-wire mode,
and provide a remote measurement of the RTD voltage to eliminate
voltage measurement errors. See Working With RTDs below for more
information.
USB Connector
The USB connector is a standard Type B female connector, and can be
plugged into any USB 1.1 or USB 2.0 port. For more information on
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