Siemens SINAMICS G130 - Page 120

Electrical installation
4.10 Signal connections
Inverter chassis units
120 Operating Instructions, 07/2016, A5E00331449A
X521 / X531: Encoder connection 2 for HTL/TTL encoder with open-circuit monitoring
Table 4- 50 Encoder connection X521
Terminal
Signal name
Technical data
1
A
Incremental signal A
2 A* Inverse incremental signal A
3
B
Incremental signal B
4
B*
Inverse incremental signal B
5
R
Reference signal R
6
R*
Inverse reference signal R
7
CTRL
Control signal
8
M
Ground via inductivity
Max. connectable cross-section: 1.5 mm²
Note
Operation of unipolar HTL encoders
When unipolar HTL encoders are used, A*, B*, and R* on the terminal block must be
jumpered with M_Encoder (X531).
Table 4- 51 Encoder connection X531
Terminal
Signal name
Technical data
1
P encoder 5 V/24 V
Encoder supply
2
M encoder
Ground for encoder power supply
3 -Temp
1)
Temperature sensor KTY84-1C130 /
PT1000 / PTC
4 +Temp
1)
Temperature sensor KTY84-1C130 /
PT1000 / PTC
5 Reserved, do not use
6
Reserved, do not use
7
Reserved, do not use
8
Reserved, do not use
Max. connectable cross-section: 1.5 mm²
Measuring current via temperature sensor connection: 2 mA
1)
Accuracy of the temperature measurement:
- KTY: ±7 °C (including evaluation)
- PT1000: ±5 °C (PT1000 tolerance class B according to EN 60751 including evaluation)
- PTC: ±5 °C (including evaluation)