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1
rev A
RS4+
RS485 + IoT card
Страница 1: ...www energiya pl info energiya pl 1 rev A RS4 RS485 IoT card...
Страница 2: ...EN 2 1 addON socket 2 addON mounting hole 3 RXD and TXD LEDs 4 Line termination switch 5 Pluggable terminal block 1 3 5 4 fig 1 2 4...
Страница 3: ...d FX30 FX30S Mounting the card in the host It is recommended to install the IoT card when the power is off to avoid accidental short circuits If the card is installed with the power on it is necessary...
Страница 4: ...erences that can lead to communication errors or make communication completely impossible Important Terminating resistors are used to avoid signal reflections They are connected in parallel between te...
Страница 5: ...ssion quality However badly connected or not connected shields of cables can only worsen the situation Connect the shields of bus cables to the ground only at one point fig 5 Important Using high qual...
Страница 6: ...sing yes Grounding lug yes Reverse polarity protection yes ESD protection yes addON socket yes Latching cover for FX30 yes Troubleshooting Lack of communication check the bus according to the instruct...
