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PIN #
J1-1
J1-2
J1-3
J1-4
ISOGND
J1-5
J1-6
J1-7
J1-8
PIN #
J2-1
GND_24V
J2-2
J2-3
GND_24V
J2-4
D_DRIVE_EN
J2-5
GND_24V
J2-6
D_ESTOP*
PIN #
J3-1
ISOGND
J3-2
+5V ISO
5-16
Theory of Operation: Processor Board (PCB) Theory
Table 10. J1 Host miniDIN Connector
NAME
TYPE
NC
NA
NC
NA
RXLO
RS422
COM
TXLO
RS422
RXHI
RS422
NC
NA
TXHI
RS422
Table 11. J2 Drive Signals Connector
NAME
TYPE
COM
+24V
PWR
COM
LOGIC
COM
LOGIC
Table 12. J3 Host DB-9 COnnector
NAME
TYPE
COM
PWR
GE T2100 Treadmill
IN/OUT
NA
NA
IN
OUT
OUT
IN
NA
OUT
IN/OUT
IN
IN
OUT
OUT
OUT
OUT
IN/OUT
OUT
OUT
2021403-031
FREQ
COMMENT
NA
NA
NA
NA
9600bps
Host RS422 Serial
Comm
DC
ISO Gnd Supply
9600bps
Host RS422 Serial
Comm
9600bps
Host RS422 Serial
Comm
NA
NA
9600bps
Host RS422 Serial
Comm
FREQ
COMMENT
DC
+24V Digital Gnd
Supply
DC
+24V Digital Power
Supply
DC
+24V Digital Gnd
Supply
PULSE
Drive Enable Signal
DC
+24V Digital Gnd
Supply
PULSE
Deceleration eStop
Signal
FREQ
COMMENT
DC
ISO Gnd Supply
DC
ISO Power Supply
Revision A
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Troubleshooting
