14-2
TP27, TP37 Equipment Manual
Release 01/00
14.2 Operating elements
The TP27-6 touch screen is used to operate and monitor processes. Operation
is effected by means of contact–sensitive buttons and input fields which are
defined in the configuration for a specific application. No additional keyboard
is necessary.
14.3 Connection elements
Figure 14-1Arrangement of connections
No. Name/Purpose Description
Serial interfaces
1)
: Level Usage
1
S IF1A RS232/TTY (active/passive) PLC
2
S IF2 RS232/TTY (active/passive) PC, PU, printer
3
S IF1B RS422/RS485 (floating) PLC
4
DIL switch
2)
for configuring the IF1B interface.
5
Grounding connection –
6
Power supply
3)
Voltage supply (+ 24 V DC).
7
Relay output
3)
Relay contact for a buzzer or light, for example.
8
DKM/CPI interface
4)
(covered) For connecting a direct key module with 16 digital outputs or a control
panel interface with max. 32 digital inputs/outputs.
9
Battery compartment (covered) –
PCMCIA Slot For JEIDA/PCMCIA cards
1)
Connection plug pin assignment, see Appendix B.
2)
For details of permissible switch settings, see Section 12.2.3
3)
For details of pin assignments, see Section 12.2.1
4)
For details of DKM connector pin assignments, see Section 17.1.2 ; and details of CPI connector pin assignments, see Section 17.2.2.
Touch screen
Unit Description
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