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