X22 Serial Interface (Rs232); X23 Htl/Ttl/Ssi Encoder Interface - Siemens SINAMICS S120 Equipment Manual

8.4.2.4

X22 serial interface (RS232)

Table 8- 25 X22 serial interface (RS232)
Connector type
Features
The maximum data rate is:
● 120 kBaud at a load capacity of 1.0 nF
● 20 kBaud at a load capacity of 2.5 nF
8.4.2.5

X23 HTL/TTL/SSI encoder interface

Table 8- 26 X23 HTL/TTL/SSI encoder interface
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Connector type 15-pin Sub-D socket
Measuring current via temperature sensor connection: 2 mA
AC Drive
Manual, 06/2019, 6SL3097-5AL00-0BP1
Pin Signal name
1 Reserved, do not use
2 XRXD_RS232
3 XTXD_RS232
4 Reserved, do not use
5 M
6 Reserved, do not use
7 Reserved, do not use
8 Reserved, do not use
9 Reserved, do not use
9-pin SUB D connector
Signal name
+Temp
SSI_CLK
SSI_XCLK
P encoder 5 V / 24 V
P encoder 5 V / 24 V
P_Sense
M
M (-Temp)
M_Sense
RP
RN
BN
BP
AN_SSI_XDAT
AP_SSI_DAT
Control Units, Control Unit Adapters and operating components
8.4 Control Unit CU310-2 DP (PROFIBUS)
Technical data
KTY, Pt1000 or PTC input
SSI clock, positive
SSI clock, negative
Encoder power supply
Sense input encoder power supply
Ground, encoder power supply
Ground for KTY, Pt1000 or PTC
Ground sense input
R track positive
R track negative
B track negative
B track positive
A track negative / SSI data negative
A track positive / SSI data positive
Technical data
-
Receive data
Transmit data
-
Ground
-
-
-
-
255