Diagnostics Via Input Image - Siemens SINUMERIK 840D sl Manual

Connectable components
9.3 PP 72/48D 2/2A PN
Table 9-64 Measured values and responses in the temperature measurement operating mode
Address
Operating mode QB72
Format QB73
Value QW76
Value QW78
Operating mode IB72
Format IB73
Value IW76
Value IW78
Diagnostics IB50
IB51
PNFault LED
Troubleshooting
9.3.5.5

Diagnostics via input image

Table 9-65 Diagnostics input image
Byte Bit7
d+0 count_2
d+1
Table 9-66
Bit
7
6
5
4
3
2
1
0
142
Incorrect operating mode
16#AA
16#1
-
-
16#AA
16#81
-
-
16#2
16#3
on
Deactivating/activating
Bit6 Bit5
count_1 count_0
Messages in byte 0
Signal name Message
count_2 alive and well 2
count_1 alive and well 1
count_0 alive and well 0
T_Alarm_2 Temperature not within the operating temperature range defined for the
module
T_Alarm_1 Critical temperature exceeded
Diag_2 Overload DO byte 5/4
Diag_1 Overload DO byte 3/2
Diag_0 Overload DO byte 1/0
Pt100
Bit4 Bit3
T_Alarm_2 T_Alarm_1
Status_1
Resistor is not connected
16#0F
16#1
-
-
16#0F
16#81
-
-
16#2
16#6
on
Deactivating/activating
Bit3 Bit1
Diag_2 Diag_1
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1
Bit0
Diag_0