06.03
2.13 ADI4 (analog drive interface for 4 axes) (SW 09.01 and higher)
2-110
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
Interface description of the encoder interfaces (X4-1/X4-2/X5-1/X5-2):
S
Connection:
15-pin SUB-D socket connector
S
Pin assignment of the encoder interfaces:
Table 2-29
Pin assignment: Encoder interface axes 1 – 4 (X4-1/X4-2/X5-1/X5-2) for
incremental encoder (TTL) and absolute encoder (SSI)
Pin
Designation
1)
Type
2)
Function
incremental
absolute (SSI)
yp
1
Not assigned
–
–
2
–
CLSx
O
SSI shift cycles
3
–
CLSx_N
O
SSI shift cycles negated
4
P5MS
VO
Power supply voltage 5VDC
5
P24SSI
VO
Power supply voltage 24VDC
6
P5MS
VO
Power supply voltage 5VDC
7
GNDEXT
VO
Reference for power supply
8
Not assigned
–
–
9
GNDEXT
VO
Reference for power supply
10
Rx_S
–
I
Zero mark signal
11
XRx_S
–
I
Zero mark signal negated
12
XBx_S
–
I
Encoder signal track B negated
13
Bx_S
–
I
Encoder signal track B
14
XAx_S
–
I
Encoder signal track A negated
–
DATAx_N
I
SSI data inverted
15
Ax_S
–
I
Encoder signal track A
–
DATAx
I
SSI data
1) X
Number of the encoder interface with X4-1=1, X4-2=2, X5-1=3, X5-2=4
2) VO
Voltage Output
I
Signal Input
O
Signal Output
S
Preassembled cables with use of:
–
Incremental encoder (TTL) with RS422 (5V or 24V) 6FX2 001–2...
Order No.:
6FX8 002-2CD01-1
jj
0
(5V)
Order No. (MLFB):
6FX5 002-2CD24-1
jj
0 (24V)
Cable length:
See below “Maximum cable lengths”.
–
Absolute value encoder with SSI 6FX2 001-5...
Order No. (MLFB):
6FX8 002-2CC11-
jjj
0
Cable length:
See below “Maximum cable lengths”.
–
1FT5 motor with installed ROD320 encoder
Order No. (MLFB):
6FX8 002-2CE02-1
jj
0
Cable length:
See below “Maximum cable lengths”.
Data about the length codes are to be found in:
References:
/Z/
Catalog NC Z.
Encoder interface
(X4-1/X4-2)
(X5-1/X5-2)
2 Hardware Descriptions
