Inovance H3U-1616MR-XP - Installation of Expansion Modules

2 Installation
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3) Press the PLC in the direction B shown in the following 󶍾gure until
you hear the click sound. Check if the PLC is fully and vertically
clipped in on the DIN rail.
A
B
2.3.2 Mounting on Wall
Use M4 screws to 󶍾x the PLC on the installation surface in the control
cabinet through the mounting holes on four corners as shown in the
following 󶍾gure:
2.4 Installation of Expansion Modules
Pull the lock catch on the expansion module to the direction shown in
the following 󶍾gure. Push the expansion module to the PLC. Pull the
lock catch back to lock it.