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Electronic Devices
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User Manual
Modbus Master / MQTT
Document code: MN67933_ENG Revision 1.101 Page 15 of 45
RS232:
The connection from RS232 socket to a serial port (example one from a personal computer) must be made with a NULL MODEM cable (a
serial cable where the pins 2 and 3 are crossed).
It is recommended that the RS232 cable not exceed 15 meters.
