Adeunis RF sigfox MODBUS MASTER ARF8240CA User Manual

Also see for LoRaWAN MODBUS MASTER ARF8240AA: User guide User guide

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Adeunis RF sigfox MODBUS MASTER ARF8240CA User Manual Manual pdf 63 page image

ENsigfox MODBUS MASTER - Guide utilisateur / User guide version V1.0.163Page of 80FRIn the example in grey this gives:• Byte 2 : register 300, Keep Alive frame period = 72x10 = 720min ie 12h.• Bytes 3 and 4 : register 301, periodicity of transmission (periodic mode) = 180x20=3600s ie 1h• Byte 5 : register 306, product mode is PRODUCTION• Bytes 6 and 7 : register 320, data acquisition period for alarm = 180x20=3600s ie 1h• Byte 8 : register 321=0x44, Modbus link configuration is:• Bit 0 = 0 : RS485• Bit 1 = 0 : 1 stop bit• Bits 2 and 3 = 01 : the parity is even• Bits 4 to 7 = 0100 : the baudrate is of 19200• Byte 9 : register 322= 0xC8, configuration of supply time of the external load (slave) before the Modbus request is of 200x100=20 000ms ie 20 seconds4.1.3 Frame of information on the network configurationFollowing reception of a downlink frame with the code 0x02 or on switching to the operating mode (from the Park or Command Mode), thenext frame (0x20) representing the network configuration of the product is transmitted:0 1 2Code Status PAYLOAD0x20 Cf Status S2020x20 0xB1 0x02Its size is of 3 bytes.Description of the frame:• Byte 2 : Register S202 : Number of repetitions (in the case of a uplink frame associated with a downlink frame)In the example in grey this gives:• Byte 2=0x02 : the number of repetitions is 24.1.4 Keep Alive frameThis frame (0x30) is transmitted only in the event mode at the frequency defined by register 300.0 1Code Status0x30 Cf Status0x30 0xB1Its size is of 2 bytes.It contains only the code byte (0x30) and the status byte.4.1.5 Reply frame to a register VALUE request in a downlink frameFollowing reception of a downlink frame with the code 0x40, the frame 0x31 is transmitted.It contains all the VALUE s of the registers requested in the downlink frame 0x40.Example :• Frame (0x40) sent to the product (downlink):0 1 2 3 4 5 ... 7Code Status PAYLOAD0x40 CONF ID1 CONF ID2 CONF ID3 X X X CONF ID8The CONF IDX (8bits) fields represent the index of the registers to be sent. The corresponding register is 300 + CONF IDX VALUE .