Signal assignment of the interfaces
Connector/pin Signal
X1.3 L
X1.4 Not assigned
X1.5 N
X1.6 Not assigned
X1.7 PE
X2.4 Undervoltage REL_A
X2.5 Undervoltage REL_B
X2.6 Presence of output voltage REL_A
X2.7 Presence of output voltage REL_B
X6.1 / X7.1 / X8.1 / X9.1 PE
X6.2 / X7.2 / X8.2 / X9.2 P-GRD
X6.3 / X7.3 / X8.3 / X9.3 ± 55 V
3.5.12 DM10 diagnostics module
3.5.12.1 Functions
The DM10 diagnosis module performs the following functions:
● Monitoring the auxiliary voltages of the internal 1P24 and 1N24 power supply.
● Monitoring the external voltage 2P24_1 and the optional external voltage 2P24_2 for
undervoltage.
● Monitoring the auxiliary contacts of the 24 V DC miniature circuit-breakers.
● Output of eight binary control signals. The logic state of the signal in each case is indicated
by an LED.
● Output of eight analog signals to the following signal receivers:
– PADU8
– Indicating instruments
– Control station/I&C
● Supply of the digital and analog signals to measuring sockets for simplified diagnosis with
an oscilloscope.
Description
3.5 Description of the components
SINAMICS SM150 6SL3845-7NN46-7AA0
42 Operating Instructions 04/2017
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