Interface Description - Siemens SINUMERIK 840DiE sl Manual

01/2007
2.3.3

Interface description

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