Models 2510 and 2510-AT User’s Manual Connections 2-3
4-wire connections
Figure 2-2 shows basic 4-wire signal connections. In this case, the OUTPUT F (force) and
S (Kelvin sense) terminals are connected to the thermoelectric cooler, while the INPUT F
and S terminals are connected to the temperature sensor. 4-wire sensor connections are
recommended for RTD and thermistor sensors with <1kΩ resistance. This type of connec-
tion will eliminate lead resistance errors. (See “Sensing considerations,” page 2-5.)
Figure 2-2
4-wire input/output connections
Model 2510
INPUT F -
INPUT F ++
-
OUTPUT S -
OUTPUT F +
+
TEC
RTD or Thermistor
Temperature Sensor
OUTPUT S +
S+
OUTPUT F -
-
INPUT S -
S-
INPUT S +
S+
S-
Mating Connector
F+ S+ S- F- F+ F- S+ S-
Output
Input
R
T
Note: These connections
assume positive
current heats TEC.
WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
120
LINE RATING
100-240VAC
50, 60 HZ
90VA MAX
LINE FUSE
SLOWBLOW
2.5A, 250V
!
!
CAT I
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
MADE IN
U.S.A.
ENABLE-DIG I/O
RS-232
TRIGGER
LINK
OUTPUT INPUT
F+ S+ S- F- F+ F- S+ S-
ISOLATION FROM EARTH: 30V MAX.
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