Jetter JC-120MC, User Manual

Page: 448 / 634

448 Jetter AG
10 Programming
10.15 Modbus/TCP
This chapter describes the functions of the Modbus/TCP server and client
integrated into JC-120MC.
On the controller JC-120MC, the feature Modbus/TCP is always enabled.
That is, bits 4 and 5 in Web Status register 202930 are always set.
To be able to use the functions described in this chapter, the user must be
familiar with the following:

Modbus/TCP and supported commands
 IP networks
Topic Page
Modbus/TCP server .................................................................................... 449
Modbus/TCP client ...................................................................................... 455
Modbus/TCP client with STX variables ....................................................... 457
Introduction
Enabling the
Modbus/TCP feature
Required programmer's
skills
Contents