Siemens SINUMERIK 840DE User Manual page 76

6 Terminal Block
6.1 NCU terminal block 6FC5211-0AA00-0AA0
S
Monitoring
S
S
S
S
Error
Undervoltage
(< 4.75 V)
Ambient temperature
Sign of life NCU
Watchdog
Hardware combination
The binary and analog outputs are switched to a safe state (0 V at the output)
with the XOUTDS signal in the event of disturbances or faults in the NCU, the
microcontroller, and power failure.
Power supply
DC 24 V (20.4 V DC to 28.8 V DC)
Connector designation: X9
Connector type:
Table 6-1
Note
Pins 1 and 2 or 3 and 4 are bridged in a group on the module.
Signal names
P24 ext
M24 ext
Signal type
VI
6-74
+5 V monitoring
Temperature monitoring 60° C"3°C
Configuration monitoring
Sign-of-life monitoring (watchdog) of the microcontroller
Sign-of-life monitoring of the NC
Acquisition
Limit monitor
Temperature sensor
Cyclic signaling
Timing
Hardware configura-
tion
4-pole terminal block, 2.5 mm
X9 pin assignments
Pin
1
2
3
4
+24 V power supply external
Power supply ground external
Voltage Input
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Effect
Disabling of the NC outputs, LED
(green) off
Status signal to NC,
screen display
Disabling of the NC outputs, LED
(red) on
Disabling of the NC outputs, LED
(red) on
Disabling of the NC outputs LED
(red, yellow) an,
status signal to NC
2
Terminal
X9
Name
P24 ext
P24 ext
M24 ext
M24 ext
© Siemens AG, 2006. All rights reserved
03.06
Type
VI
VI
VI
VI