deankopp Member D Join Date Feb 2005 Posts 1 Feb 23, 2005 #1 Does anyone have the pinout for the cable I would need to connect an HMI screen built with National Instruments Lookout software to a Modicon Quantum PLC modbus port? Thanks. Dean
Does anyone have the pinout for the cable I would need to connect an HMI screen built with National Instruments Lookout software to a Modicon Quantum PLC modbus port? Thanks. Dean
Jim Dungar Member J Join Date Apr 2002 Location WI Posts 1,152 Feb 23, 2005 #2 The Quantum controller RS232 port is: sub-D 9 pin socket 1 shield 2 RX 3 TX 4 DTR 5 ground 6 DSR 7 RTS 8 CTS 9 no connection Most HMI applications require jumpers between pins 4-6 and 7-8.
The Quantum controller RS232 port is: sub-D 9 pin socket 1 shield 2 RX 3 TX 4 DTR 5 ground 6 DSR 7 RTS 8 CTS 9 no connection Most HMI applications require jumpers between pins 4-6 and 7-8.