14. COMMUNICATION FUNCTION
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(3) Reading the status of input devices switched on with communication
The following shows how to read the on/off status of the input devices switched on with communication.
(a) Transmission
Transmit command [1] [2] and data No. [6] [0].
(b) Return
The slave station returns the status of the input devices.
b31 b1b0
1: On
0: Off
Command of each bit is transmitted to the master station as hexadecimal data.
(4) Reading external output pin status
The following shows how to read the on/off status of the external output pins.
(a) Transmission
Transmit command [1] [2] and data No. [C] [0].
(b) Return
The slave station returns the status of the output devices.
b31 b1b0
1: On
0: Off
Command of each bit is transmitted to the master station as hexadecimal data.