Siemens SINAMICS S150 Operating Instructions Manual page 104

Electrical installation
4.9 Other connections
X521 / X531: Encoder connection 2 for HTL/TTL/SSI encoder with open-circuit monitoring
Table 4-46 Encoder connection X521
Terminal
1
2
3
4
5
6
7
8
Max. connectable cross-section: 1.5 mm² (AWG 14)
Note
When unipolar HTL encoders are used, A*, B*, and R* on the terminal block must be
jumpered with M_Encoder (X531).
Table 4-47 Encoder connection X531
Terminal
1
2
3
4
5
6
7
8
Max. connectable cross-section: 1.5 mm² (AWG 14)
Note
Note that when the encoder is connected via terminals, the cable shield must be applied to
the module.
NOTICE
The KTY temperature sensor must be connected with the correct polarity.
104
Signal name
A
A*
B
B*
R
R*
CTRL
M
Signal name
P_Encoder 5 V / 24 V
M_Encoder
-Temp
+Temp
SSI_CLK
SSI_XCLK
SSI_DAT
SSI_XDAT
Technical specifications
Incremental signal A
Inverted incremental signal A
Incremental signal B
Inverted incremental signal B
Reference signal R
Inverted reference signal R
Control signal
Ground via inductivity
Technical specifications
Encoder power supply
Ground for encoder power supply
Temperature sensor connection KTY84-1C130/PTC
SSI clock
Inverted SSI clock
SSI data
Inverted SSI data
Operating Instructions, 07/07, A5E00288214A
Drive converter cabinet units