Installation
2.4 Installing on the S7-300 standard rail
SCALANCE M874, M876
26 Operating Instructions, 06/2015, C79000-G8976-C331-05
Installing on the S7-300 standard rail
Requirement
There is a SIM card for the device.
1. Insert the SIM card, see section "SIM card (Page 33)".
2. Place the second housing guide of the device on the top edge of the standard rail
①.
3. Press the device down against the standard rail until the spring catch locks in place
②.
4. Connect the power supply, refer to the section "Power supply (Page 34)".
5. Fit the connectors for the digital input and digital output, refer to the section "Digital
input/output (Page 37)".
6. Connect the antenna, refer to the section "Antennas (Page 39)".
7. Connect the device to the local network, refer to the section "Ethernet port (Page 42)".
8. Connect the terminal with as short a cable as possible ≤ 150 mm and a large cross-
sectional area ≥ 2.5 mm² to the ground of the system, see section "Grounding (Page 36)"
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