Siemens SINUMERIK 828D - Page 1645

Z1: NC/PLC interface signals
19.1 Various interface signals and functions (A2)
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
1645
Application
example(s)
As soon as "Motor temperature prewarning" has been signaled, the PLC can, for example, initiate
controlled shutdown of the drives.
Corresponding to ... DB31, ... DBX93.5 (drive ready)
MD1602 $MD_MOTOR_TEMP_WARN_LIMIT
MD1603 $MD_MOTOR_TEMP_ALARM_TIME
MD1607 $MD_MOTOR_TEMP_SHUTDOWN_LIMIT
Additional
references
/DAsl/ Diagnostics Guide
/IDsl/ Commissioning Manual IBN CNC: NCK, PLC, Drive
DB31, ...
DBX94.1 Heat sink temperature pre-warning
Edge evaluation: no Signal(s) updated: Cyclic
Signal state 1 The drive module sends the warning "heatsink temperature prewarning" to the PLC.
This triggers the following:
• Terminal 5 on the infeed/regenerative feedback module is simultaneously activated.
• The drive module is switched off after 20 seconds. The drives are stopped when the impulse
enable is removed. Then alarm 300515 is triggered.
Signal state 0 The drive module heatsink temperature pre-warning has not responded.
DB31, ...
DBX94.0 Motor temperature prewarning






 
7LPH
0'0'B02725B7(03
B$/$50B7,0(
0'0'B02725
B7(03B:$51B/,0,7
0'0'B02725B7(03
B6+87'2:1B/,0,7
$ODUP
$ODUP
,6'ULYH
UHDG\
:DUQLQJ
:DUQLQJ




,60RWRU
WHPSHUDWXUH
SUHZDUQLQJ
:DUQLQJWKUHVKROG
6KXWGRZQOLPLW
7LPH
'80'
7LPH
:DUQLQJ
$ODUP
:DUQLQJ
$ODUP
0RWRUWHPSHUDWXUH