Rockwell Automation 1394 SERCOS Interface Multi-Axis Motion Control System Installation Manual - Manual (Page 37)

Publication 1394-IN002B-EN-P — February 2004
1394 SERCOS Interface Connector Data 2-5
Discrete Input Connector Pin-out
The following table and figure below provides the signal descriptions
and pin-out for the Axis 0-3 (8-pin) discrete inputs connector. Refer to
Discrete Input Specifications on page 2-15 and Analog Output
Specifications on page 2-17 for I/O signal specifications.
Figure 2.3
Pin Orientation for 8-pin Discrete Inputs Connector
IMPORTANT
The 24V dc supplies for use with discrete inputs and
registration inputs are user-supplied. Connect the
24V dc common (pins 3 and 7, not internally
connected) as described in the table below.
Axis x
Pin
Description Signal
Axis x
Pin
Description Signal
1 Hardware Enable ENABLEx 5 Positive limit switch POS_OTRAVx
2 Home Switch Input HOMEx 6 Negative limit switch NEG_OTRAVx
3 Common for Registration REGx_COM 7
Common for HOME, ENABLE, and POS/
NEG_OTRAV Signals
I/O_COM
4 High Speed Registration 1 Input REGx_1 8 High Speed Registration 2 Input REGx_2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Pos_Otrav3
Neg_Otrav3
I/O_Com
Reg3_2
Pos_Otrav2
Neg_Otrav2
I/O_Com
Reg2_2
Pos_Otrav1
Neg_Otrav1
I/O_Com
Reg1_2
Pos_Otrav0
Neg_Otrav0
I/O_Com
Reg0_2
Enable3
Home3
Reg3_Com
Reg3_1
Enable2
Home2
Reg2_Com
Reg2_1
Enable1
Home1
Reg1_Com
Reg1_1
Enable0
Home0
Reg0_Com
Reg0_1
1394 SERCOS interface
Control Board
1394C-SJTxx-D
Axis 3
Axis 2
Axis 1
Axis 0