MP 277 - Service, Support Download

Transcript
Technical specifications
10.3 Bit assignment of the direct keys
Memory
MP 277 8" Key
Application memory
MP 277 10" Key
6 MB
Ports
MP 277 8" Key
1 x RS 422/RS 485
2 x USB
MP 277 10" Key
Max. 12 Mbps
USB host; conforms to USB standard 1.1 (supporting low-speed and
full-speed USB devices)
Maximum load 500 mA
1 x Ethernet
RJ45 10/100 Mbps
Supply voltage
MP 277 8" Key
Rated voltage
MP 277 10" Key
+24 V DC
Range, permissible
20.4 V to 28.8 V (–15 %, +20%)
Transients, maximum permissible
35 V (500 ms)
Time between two transients,
minimum
50 s
Current consumption
•
Typical
•
Approx. 700 mA
•
Approx. 800 mA
•
Constant current,
maximum
•
Approx. 1100 mA
•
Approx. 1200 mA
•
Power on
current surge I2t
•
Approx. 1 A2s
•
Approx. 1 A2s
Fuse, internal
10.3
Electronic
Bit assignment of the direct keys
The following figures show the assignment of the keys and LEDs to the bytes in the PLC
process image.
Further information may be available in your plant documentation.
Note
Do not use the LED bits "ACK", "A-Z l", "A-Z r" and "HELP" when a project is running on the
HMI device.
MP 277
Operating Instructions, 07/2014, A5E02479740-02
189