Dewetron EPAD2 Series User Manual

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EPAD2/CPAD2/CPAD3 series modules • Technical Reference Manual • Printing version 1.0.2 • October 04, 2016
Push button
Use the ID button to dene the module address via software. Detailed information how to use the button is
available in chapter: "Installing EPAD2/CPAD2 modules in DEWESoft, Module reset".
Connection
1
2
3
4
1 8x thermocouple connector
2 State LED
3 ID button
4 2x xPAD2 interface connector
Thermocouple connectors
The xPAD2-TH8-x module supports up to 8 thermocouples. Connect only thermocouple types which match
with the connector types. If the module is equipped with type K connectors, you are allowed to connect type
K thermocouples only. The white universal connector supports all types of thermocouple connectors.
+
-
Thermocouple types
Type IEC color code ANSI color code Temperature range
°C [°F]
Alloy combination
+ -
Comments
K green yellow -270 to 1372 [-454 to 2501] Ni CrNi Wide temperature range, most popular calibration
J black black -210 to 1200 [-346 to 2193] Fe CuNi Used in vacuum, reduced and inert atmosphere
T brown blue -270 to 400 [-454 to 752] Cu CuNi Low temperature & cryogenic applications
R orange green -50 to 1760 [-58 to 3214] Pt13Rh Pt High temperature
S orange green -50 to 1760 [-58 to 3214] Pt10Rh Pt High temperature
U orange green -200 to 600 [-328 to 1112] Cu CuNi Also known as RX & SX extension wire.
N rose orange -270 to 1300 [-450 to 2372] NiCrSi NiSi Alternative to type K. More stable at high temp.
E purple purple -270 to 1000 [-454 to 1832] NiCr CuNi Highest EMF change per degree
B grey grey 0 to 1820 [32 to 3308] Pt30Rh Pt6Rh High temperature. Common use in glass industry
C* no standard IEC color red* 0 to 2300 [32 to 4172] W5Re W26Re Highest temperature range
*) no of cial symbol or standard designation
xPAD2 interface connector
This connector can be used to connect the module to the EPAD2-BASE module or other xPAD2 series
modules.
1
2
4
3
Pin assignment EPAD2:
1 RS-485 (A)
2 RS-485 (B)
3 Power supply (+)
4 GND
Pin assignment CPAD2:
1 CAN high
2 CAN low
3 Power supply (+)
4 GND
Schematic
4 pin LEMO series
connector
EPAD2/CPAD2-TH8-x Module

Dewetron EPAD2 Series Specifications

General

Brand	Dewetron
Model	EPAD2 Series
Category	Control Unit
Language	English