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Installation and connection
4.3 Connecting the HMI device
TP 270, OP 270, MP 270B (WinCC flexible)
4-6
Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
4.3.2 Interfaces
Interfaces
The figure below illustrates the arrangement of the interfaces on underside of the HMI
device, exemplified by the MP 270B 10" Keys.
Notice
In the case of the TP 270 and OP 270, the interfaces for the PC card and Ethernet interface
on-board are missing. To enable an Ethernet connection, the devices require a CF card.
Figure 4-1
Arrangement of the interfaces (example, MP 270B 10" Keys)
No. Description
Application
1
Ground connection
For connection to rack ground
2
Power supply
Connection to power 24 V DC)
3
Interface IF1B
RS 422/RS 485 (floating) for PLC, PC, PU
4
Interface IF1A
RS 232 for PLC
5
Interface IF2
RS 232 for PC, PU, printer
6
Switch
To configure interface IF1B
7
Battery connection
Connection for optional backup battery
8
USB interface
Connection for external keyboard, mouse, etc.
9
Slot B
For CF card
10 Ethernet
interface
(for MP 270B only)
Connection of an RJ45 Ethernet line
11 Slot A
(for MP 270B only)
For PC card