Siemens SIMATIC HMI TP27 User Manual

A-5
TP27, TP37 Equipment Manual
Release 01/00
A.1 Direct Key Module and Control Panel Interface
Direct key module (DKM)
Voltage supply for outputs, load voltage supply and internal logic circuitry
Voltage supply
S rated value
S permissible range
S value at t < 0.5 sec
+ 24 V DC
+18.0 to +30.0 V
35 V
Power consumption of logic circuitry 50 mA
Short-circuit protection upon polarity rever-
sal of load voltage
4
Outputs
3)
No. of outputs 8 per module
Output voltage
S with signal “0”
S with signal “1”
Max. 2 V (idling)
Min. (voltage supply –3 V)
Output current
S with signal “0”
S with signal “1”
Max. 1 mA
Max. 300 mA per output
Switch rate at
S resistive load
S inductive load
S lamp load
Max. 100 Hz
Max. 0.5 Hz
Max. 8 Hz
Short-circuit current Max. 500 mA per output
Note:
With inductive loads, an external free-wheeling diode must be used directly on the load.
3)
Outputs are isolated by means of optocouplers.
Technical Data

Siemens SIMATIC HMI TP27 Specifications

General

Brand	Siemens
Model	SIMATIC HMI TP27
Category	Touch Panel
Language	English