Siemens Sinumerik 840DiE sl - Interface Description

01/2007
2.3 MCI board extension slot variant
2-57
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
2.3.3 Interface description
Interfaces of the MCI board extension slot variant
Table 2-5 Interfaces of the MCI board extension slot variation
interface
Designation Type
Cable distributor X121 Connector
MCI board extension X4 Plug connector
Interface description of the cable distributor interface (X121):
S Connector: 37–pinSub D connector
(see cable distributor Section 2.4, Page2-61)
S Pin assignment:
Table 2-6 Pin assignment: Interface X121
Pin
Designation Type
1)
Function
1 M24EXT VI/VO
24 V ground, 24 V output ground
2 M24EXT VI/VO
24 V ground, 24 V output ground
3 DOUT_CON(1) O
2nd output 24 V
4 DOUT_CON(0) O
1st output 24 V
5 DIN_CON(3) I
4th input 24 V
6 DIN_CON(2) I
3rd output 24 V
7 DIN_CON(1) I
2nd input 24 V
8 DIN_CON(0) I
1st input 24 V
9 MEPU0_S I
1st probe input (signal: 24 V)
10 MEPU0_C I
1st probe input (reference: 0 V)
11 MPG1_XA I
Input 2nd handwheel, track A inverted
12 P5 VO
Optional 5 V handwheel power supply
13 P5 VO
Optional 5 V handwheel power supply
14 MPG1_XB I
Input 2nd handwheel, track B inverted
15 MPG0_XA I
Input 1st handwheel, track A inverted
16 P5 VO
Optional 5 V handwheel power supply
17 P5 VO
Optional 5 V handwheel power supply
18 MPG0_XB I
Input 1st handwheel, track B inverted
19 Not assigned – –
20 P24EXT VI
24 V output load power supply
21 P24EXT VI
24 V output load power supply
22 DOUT_CON(3) O
4th output 24 V
23 DOUT_CON(2) O
3rd output 24 V
24 MEXT VO
24 V input ground
25 MEXT VO
24 V input ground
26 MEXT VO
24 V input ground
27 MEXT VO
24 V input ground
28 MEPU1_S I
2nd probe input (signal)
29 MEPU1_C I
2nd probe input (0 V)
30 MPG1_A I
Input 2nd handwheel, track A
31 M VO
Handwheel PS ground, TTL handwh. ground
Interface overview
Cable distributor
(X121)
2 Hardware Descri
p
tions