Siemens SINUMERIK 840Di - Interface Description

06.03
2.2 MCI board
2-48
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
2.2.2 Interface description
Interfaces of the MCI board module
Table 2-1 Interface overview: MCI board
Interface
Designation Type
PROFIBUS DP X101 Socket connector
MPI X111 Socket connector
MCI board extension X2 Plug connector
Backup battery X3 Plug connector
PCI bus X11 Direct connector
Interface description of the battery connection (X3):
S Connection: 2-pin plug connector
S Pin assignment.
Table 2-2 Pin assignment: Battery connection (X3)
Pin Designation Type
1)
Function
1 BATT– VI Minus pole of the battery
2 BATT+ VI Plus pole of the battery
1. VI Voltage Input
Interface description PROFIBUS DP interface (X101):
S Connection: 9-pin SUB-D socket connector
S Pin assignment.
Table 2-3 Pin assignment: PROFIBUS DP interface (X101)
Pin Designation Type
1)
Function
1 Not assigned – –
2 Not assigned – –
3 RS-DP B RS-485 differential signals
4 RTS O Request to Send
5 GNDext VO External ground
2)
6 P5ext VO Ext. 5V power supply
2)
7 Not assigned – –
8 XRS DP B RS-485 differential signals
9 Not assigned – –
1st VO Voltage Output
O Output
B Bidirectional
2) Pins 5 and 6 are only allowed to be used to supply power to the bus terminators
S Connection cable
see Subsection 3.3.1, Page 3-131.
Interface overview
Battery connection
(X3)
PROFIBUS DP
interface
(X101)
2 Hardware Descri
p
tions