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Electrical connections
Terminal row "X17"
Terminal row – measurement card
Page 52 of 96
Terminal Connection
1
3V3V_HMI
2
GND
3
HMI_RX
4
HMI_TX
Terminal Connection
1
SCL_H1
2
SDA_H1
3
3V3_H1
4
SCL_H2
5
SDA_H2
6
3V3_H2
7
GND
8
Diagnosis
01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx
The optionally available p operator panel can be
connected to the terminal row "X17".
Wire
Function
BK
Power supply
WH
Ground connection
RD
Data cable
YE
Data cable
The pressure sensor board belonging to the Ex p control
unit is connected to the terminal row (screw
connection).
Wire
Function
WH
Data cable
BN
Data cable
GN
Power supply channel 1
YE
Data cable
GY
Data cable
PK
Power supply channel 2
BU
GND
RD
Diagnostic cable
Ex p Control unit
APEX
py
Rev. 0
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