2.4.7 Connecting transistor outputs 76
2.4.7.1 Transistor output behavior in the event of a short cir-
cuit/overload 77
2.4.7.2 Connecting outputs in parallel 77
2.4.8 Connecting analog I/O expansion devices 78
2.4.9 Connecting analog inputs with temperature measuring on
expansion devices 80
2.4.10 Terminal configurations for individual devices 83
2.5 External connections on the base device 87
2.5.1 External connection layouts 87
2.5.2 Memory card 88
2.5.3 Ethernet 90
2.5.3.1 Connecting the Ethernet cable 91
2.5.3.2 Removing the Ethernet cable 92
2.6 Programming software license 93
2.6.1 Licensing 94
2.6.2 Adding a license key later on 96
2.6.3 Software updates and hardware changes 97
2.6.4 easyE4 root certificate 97
2.6.5 Installation instructions 98
3. Commissioning 105
3.1 Initial commissioning 105
3.2 Daily operation 106
3.3 Switch on 106
3.3.1 Startup behavior of easyE4 control relay with LED indicators 106
3.3.2 Startup behavior of control relay easyE4 with a display and
keypad 108
3.3.3 Startup behavior of base devices with connected expansion
devices 110
3.3.4 Status display on control relay easyE4 with display and
keypad 111
3.3.5 Commissioning the Ethernet network 113
3.3.6 Remote operation 114
3.4 Overview of switch-on behavior 115
easyE402/24 MN050009ENEaton.com
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