Siemens simatic hmi op27 User Manual

18-10
OP27, OP37 Equipment Manual
Release 05/99
18.3 Control Panel Interface
A Control Panel Interface (CPI) is available as an option for operator panels
OP27 and OP37 connected to SIMA TIC S7 PLCs. The following versions are
possible:
Operating
it
Contr ol Panel Interface with
unit
16 inputs/outputs 16 inputs/outputs 32 inputs/outputs
OP27
– –
OP37
–
The control panel interface extends the 24 DP direct keys on the OP27 and the
36 DP direct keys on the OP37 by 16 and 32 digital inputs/outputs, respec -
tively.
The Control Panel Interface must be implemented where fast key operation is
required without any communication–related delays (jog operation < 100 ms).
It communicates via the PROFIBUS-DP bus and can only be used in conjunc -
tion with the SIMA TIC S7 PLC.
Each module provides 16 digital inputs/outputs. An external keypad with con -
trols and light indicators can be connected for each module board. The assign -
ment of the digital inputs/outputs to the control and light indicators of the
external keypads is configured in the PLC (also refer to
User’ s Manual
Communication).
The cable between the OP and the external keypad with control and light indi -
cators must not be more than 1 m long.
The Control Panel Interface requires its own power supply . Note, however, that
the digital inputs/outputs are not isolated from the OP .
Function of the
control panel
interface
Cable lengths
External power
supply
Options
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Siemens simatic hmi op27 Specifications

General

Brand	Siemens
Model	simatic hmi op27
Category	Control Panel
Language	English