W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Manuals:

Web-IO 4.0 Digital


Current manuals:

Startup and use
Date Comment Revision
April 6, 2017 Valid for firmware 1.14 and higher 1.14
PDF download
Programming and protocols
Date Comment Revision
July 12, 2017 Valid for firmware 1.10 and higher 1.15
PDF download

Older manuals:

Startup and use
Date Comment Revision
April 6, 2017 Valid for firmware 1.14 and higher 1.14
PDF download
Programming and protocols
Date Comment Revision
October 6, 2016 No older programming manual available 1.09
PDF download