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NO response from Modbus device #1

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opened 2018-10-25 01:17:13 +00:00 by seesix · 0 comments
seesix commented 2018-10-25 01:17:13 +00:00 (Migrated from github.com)
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Hi there,

When i run all.py i get this error

=================================================

python /var/www/html/solar-log/charge-controller/all.py
#device
Got exception reading basic device information
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
Got exception reading regular device information
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
#ratings
Got exception reading 0x3000 - 0x3008
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
Got exception reading 0x300E
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
#data
Got exception reading 0x3100 - 0x3118
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
Got exception reading 0x311A - 0x311B
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x311D
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
#status
Got exception reading 0x3200 - 0x3202
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
#statistics
Got exception reading 0x3300 - 0x331E
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
#settings
Got exception reading 0x9000 - 0x9014
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
Got exception reading 0x9013 - 0x9021
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x903D - 0x903F
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x9042 - 0x904D
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x9063
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x9065
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x9067 - 0x906E
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading 0x9070
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
#coils
Manual control the load: On
Got exception reading coil 3
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
Got exception reading coil 5
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
Got exception reading coil 6
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response
#discrete input
Got exception reading 0x2000
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)
Got exception reading 0x200C
Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response

===================================================

I am running off a pi
Linux 4.14.71+ armv6l

My mppt is a epever 6415bnd connected to the pi via a usb/rs485 cable.
Thanks in advance for any help you maybe able to give me.

Hi there, When i run all.py i get this error ================================================= python /var/www/html/solar-log/charge-controller/all.py #device Got exception reading basic device information Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) Got exception reading regular device information Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response #ratings Got exception reading 0x3000 - 0x3008 Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) Got exception reading 0x300E Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response #data Got exception reading 0x3100 - 0x3118 Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) Got exception reading 0x311A - 0x311B Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x311D Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response #status Got exception reading 0x3200 - 0x3202 Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) #statistics Got exception reading 0x3300 - 0x331E Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) #settings Got exception reading 0x9000 - 0x9014 Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) Got exception reading 0x9013 - 0x9021 Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x903D - 0x903F Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x9042 - 0x904D Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x9063 Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x9065 Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x9067 - 0x906E Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading 0x9070 Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response #coils Manual control the load: On Got exception reading coil 3 Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) Got exception reading coil 5 Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response Got exception reading coil 6 Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response #discrete input Got exception reading 0x2000 Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received) Got exception reading 0x200C Modbus Error: [Input/Output] No Response received from the remote unit/Unable to decode response =================================================== I am running off a pi Linux 4.14.71+ armv6l My mppt is a epever 6415bnd connected to the pi via a usb/rs485 cable. Thanks in advance for any help you maybe able to give me.
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