Kit CM44x Wiring
Endress+Hauser 21
6.2 Connection via M12 connector
When using the M12 Y-section, the maximum data transfer rate is limited to 1.5 MBit/s.
For direct wiring, the maximum data transfer rate is 12 MBit/s.
DIP switches on front of module
DIP Factory setting Assignment
1-128 ON Bus address (--> "Commissioning/Communication")
OFF Write protection: "ON" = configuration not possible via the bus, only via local operation
Service OFF When the switch is set to "ON", the user settings for Ethernet addressing are saved and
connection settings programmed at the factory are activated:
IP address=192.168.1.212, subnet mask=255.255.255.0, gateway=0.0.0.0, DHCP=off
When the switch is set to "OFF", the saved user settings are active again.
PROFIBUS DP, Modbus RS485 (module 485 only)
M12 Y-section Wiring in Y-section Pin assignment in connector and socket
a0016310
Fig. 18: M12 connection
a0016311
Fig. 19: Wiring
a0016312
Fig. 20: Connector (left) and socket (right)
1 P5V, 5 V power supply for external
terminating resistor
2 A (GN), signal RxD/TxD-N
3 P0V, reference potential for P5V
4 B (RD), signal RxD/TxD-P
5 n.c., not connected
*Shield
*=Thread
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