Installation manual
Publication 1394-IN002B-EN-P — February 2004
2-2 1394 SERCOS Interface Connector Data
Locating System Module 
Connectors and Indicators
Use the figure below to locate the 1394C-SJT05-D and -SJT10-D 
System Module connectors and indicators.
Figure 2.1
1394 System Modules (1394C-SJT05-D and -SJT10-D)
Note: Switch and LED locations are shown, however for switch and 
LED configuration, refer to the 1394 SERCOS Interface 
Integration Manual (publication 1394-IN024x-EN-P).
Enable0
Home0
Reg0_Com
Reg0_1
Pos_Otrav0
Neg_Otrav0
I/O_Com
Reg0_2
AXIS 0
Enable3
Home3
Reg3_Com
Reg3_1
Pos_Otrav3
Neg_Otrav3
I/O_Com
Reg3_2
AXIS 3
Enable2
Home2
Reg2_Com
Reg2_1
Pos_Otrav2
Neg_Otrav2
I/O_Com
Reg2_2
AXIS 2
Enable1
Home1
Reg1_Com
Reg1_1
Pos_Otrav1
Neg_Otrav1
I/O_Com
Reg1_2
AXIS 1
15
84
1
5
8
4
15
84
15
84
OUTPUT 0
OUTPUT 1
OUTPUT 2
OUTPUT 3
DRIVE SYSTEM OK
RELAY OUTPUTS
1
DANGER
!
RISK OF ELECTRICAL SHOCK.
 MORE THAN ONE
 DISCONNECT SWITCH
 MAY BE REQUIRED TO
 DE-ENERGIZE THE
 EQUIPMENT BEFORE
 SERVICE.
ELECTRICAL SHOCK HAZARD 
FROM ENERGY STROAGE 
CAPACITORS.
 VERIFY LOW VOLTAGE
 DISCHARGE BEFORE
 SERVICING.
SEE INSTRUCTIONAL MANUAL.
DANGER
!
1394 Digital Servo Controller
System Module
SERCOS interface
TM
10
 - Analog_Out_1
 - Analog_Out_2
 - Analog_Out_3
 - Analog_Out_4
 - Common
 - N/C
 - N/C
 - N/C
 - N/C
AXIS 0 AXIS 1 AXIS 2 AXIS 3 RELAY OUTPUTS
- SERCOS
 Receive
- SERCOS
 Transmit
OFF ON
0
1
2
3
4
5
6
7
8
9
1 2 3
Status
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
SERCOS System Module
Analog Outputs 
Connector
Relay Outputs 
Connector
Discrete Input 
Connectors (4)
SERCOS Base Node 
Address Switch
Network Status LED
SERCOS Baud Rate 
and Optical Power Switches
SERCOS Transmit (Tx) Connector
SERCOS Receive (Rx) Connector
DPI/SCANport Connector 
System Module, front view
(1394C-SJT05-D and -SJT10-D is shown)
System Module, bottom view
(1394C-SJT05-D and -SJT10-D is shown)
Single Point 
Bond Bar
Axis 0 Auxiliary Feedback
Axis 1 Motor Feedback
Tie Down Anchor
Tie Down Anchor
System Module 
Status LED
1394 System Module 
Front Cover
Shunt Power Connector
Axis 1 Auxiliary Feedback
Axis 0 Motor Feedback
Cable Clamp Grounding Bracket 
(one clamp installed)
Axis 3 Motor Feedback 
(in four axis system) or 
Axis 2 Auxiliary Feedback 
(in three axis system)
Axis 2 Motor Feedback 
(in four axis system) or 
Axis 3 Auxiliary Feedback 
(in two axis system)
Logic Power Connector
Input Power Connector










