X540 Auxiliary Voltage For The Digital Inputs; X521 Analog Inputs - Siemens SINAMICS DCM Operating Instructions Manual

Additional system components
7.4 Terminal Module TM31
7.4.3.6

X540 auxiliary voltage for the digital inputs

Table 7- 28 Screw terminal X540
Terminal
8
7
6
5
4
3
2
1
Note
This power supply is only used for powering the digital inputs.
7.4.3.7

X521 analog inputs

Table 7- 29 X521 terminal strip
Terminal
1
2
3
4
5
6
7
8
AI: Analog inputs; P10/N10: Auxiliary voltage; M: Ground reference
1)
CAUTION
If more than ±35 mA flows through the analog current input, then the component could be
destroyed.
Permissible input voltage ±30 V (destruction limit).
Permissible common-mode voltage ±10 V, increased faults if exceeded.
Permissible back-EMF at the auxiliary voltage outputs ±15 V.
184
Designation
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
Designation
1)
AI 0+
AI 0-
AI 1+
AI 1-
P10
M
N10
M
Technical data
Voltage: +24 VDC
Max. total load current of +24 V auxiliary voltage for
terminals X540 and X541 combined: 150 mA
Technical data
The analog inputs can be toggled between current and
voltage input using switches S5.0 and S5.1.
Voltage: -10 to 10 V; R = 100 kΩ
i
Resolution: 11 bits + sign
Current: R = 250 Ω
i
Resolution: 10 bits + sign
Auxiliary voltage:
P10 = 10 V
N10 = -10 V
Continuous short-circuit proof
Operating Instructions, 06.2010, C98130-A7067-A1-02-7619
SINAMICS DCM Control Module