Technical Data - Siemens NCU 7x0.3 PN Series Manual

Note
The "alive and well" counter is a 3 bit modulo counter at the PP application level. The PP
application can be monitored using this counter. Failure of the application software does not
generally result in a communication failure, as this is developed in a hardware-supported
manner. The watch dog switches off the digital outputs, while the inputs remain at their last
set values.
Table 9- 30
"alive and
well" counter
0
1
2
3 ... 7
9.2.5

Technical data

Table 9- 31
Safety
Degree of protection
Protection class
Approvals
Power consumption at rated load (without digital outputs)
PP 72/48D PN
PP 72/48D 2/2A PN
Mechanical data
Dimensions WxHxD
Weight, approx.
NCU 7x0.3 PN
Manual, 09/2011, 6FC5397-1EP40-0BA0
Messages in byte 1, depending on the "alive and well" counter
Value Message
byte 1
0 Reserved
Temperature value
5 Internal error, system error
Effect: The "PNFault" LED is activated. The outputs are disabled. The
value 0x80 is stored in status byte 1.
Remedy: Switch the module off and on again.
0 Reserved
Technical data of the I/O module
IP 00 according to EN 60529
III; DVC A, (PELV) acc. to EN 61800-5-1
cULus, CE
17 W
19 W
150 x 300 x 35 mm
0.9 kg
Connectable components
9.2 PP 72/48D PN
113