Technical data

Operation

4-38

P/N 7135049A

E 2007 Nordson Corporation

VBC_Siemens

Melter (contd.)

Field Bus Setup

The melters on the field bus each require a node address for

communication; each address may be assigned only once in the entire field

bus.

NOTE: The node address may be changed with the software SIMATIC

STEP7 only by personnel with PLC training.

Switching Between Field Bus Mode and Local Mode

Field bus mode:

S Control access only from host

S Parameter input only via host

S On the control panel, all parameters can be displayed but not changed.

Actual values are shown on the control panel.

Local:

S Control access only from control panel and by control signals from the

external interfaces

S Parameter input only via control panel

S On the host, all parameters can be displayed but not changed. The host

can read actual values.

Local

Selecting Communication Mode

This menu is used to select the type of communication between the

customer’s PLC and the melter.

Also refer to Communication Data List.

Fig. 4-46 V18