Specifications
11.2 Specifications
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
143
11.2
Specifications
11.2.1
Specifications of the OP 73micro
Housing
Weight without packing
Approx. 250 g
Display
Type
LCD STN
Display area, active
79.98 mm x 23.98 mm (3")
Resolution
160 x 48 pixels
Colors, displayable
2
Contrast control
yes
Back-lighting
Half Brightness Life, typical
LED green
100 000 h
Input unit
Type
Membrane keyboard
System keys with dedicated functions
8
Soft keys
Of those freely configurable
4
4
Memory
Working memory
128 KB
Power supply
Nominal voltage
Range, permissible
+24 V DC
20.4 V to 28.8 V (–15%, +20%)
Transients, maximum permissible
35 V (500 msec)
Time between two transients, minimum
50 s
Current consumption at nominal power
•
Typical
•
Constant current, maximum
•
Power on current surge I
2
t
•
Approx. 80 mA
•
Approx. 210 mA
•
Approx. 0.5 A
2
s
Fuse, internal
Electronic