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Input / Output 4-27
MN1928
Backplane
card
connector
Pin
Name of
signal
Function
Connection on amplifier
(Note: connections may be
labeled differently)
X6
9
USR GND
User power supply GND
Enable signal ground
X8
9
REL NO
Switched relay contact
Enable signal input
10
REL COM
Common relay connection
(linked to USR V+)
X9
2
STEP0-
Step signal for axis 0
Step (pulse) input
3
STEP0+
Step signal for axis 0
Step (pulse) input
4
DIR0-
Direction signal for axis 0
Direction input
5
DIR0+
Direction signal for axis 0
Direction input
X12
1
DIN0
Digital input 0
Fault relay output
11
USR GND
User power supply GND
Fault relay GND
Table 4 - Connector details for minimum system wiring shown in Figure 21
Servo Systems Co. • 115 Main Road • P.O. Box 97 • Montville, NJ,
07045-0097 • (973) 335-1007 • Toll Free: (800) 922-1103
Fax: (973) 335-1661 • www.servosystems.com