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Cannot Reach Server/Slave
Can't reach server/slave! Check TCP/IP and firewall settings
By Lissy SR on 14 May, 2019 - 3:53 am

modpoll -m tcp -p 502 -t4 -r 4001 -c 5 -10
modpoll 3.6 - FieldTalk(tm) Modbus(R) Master Simulator
Copyright (c) 2002-2018 proconX Pty Ltd

Protocol configuration: MODBUS/TCP
Slave configuration...: address = 1, start reference = 4001 (PDU), count = 5
Communication.........:, port 502, t/o 1.00 s, poll rate 1000 ms
Data type.............: 16-bit register, output (holding) register table

Can't reach server/slave! Check TCP/IP and firewall settings.