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Troubleshooting
Ndrive HL User’s Manual
6-4 www.aerotech.com
Table 6-3.
Ndrive HL Control Board Jumper Selections
Jumpers
Position
Function
1-2
Signal Common isolated from Frame Ground (Chassis)
JP1
2-3 *
Signal Common connected to Frame Ground (Chassis)
All in *
Auxiliary Encoder Channel 2 is an input
JP2
JP3
JP4
All out
Auxiliary Encoder Channel 2 is an output
In *
100 Ohm Terminator present for RS-485 port on J301
JP5
Out
100 Ohm Terminator not present for RS-485 port on J301
JP6A
1-2 *
In for 100 Terminator on RS-422 Port 2 (J301, J302, J303)
JP6B
3-4 *
In for 100 Terminator on RS-422 Port 1 (J301, J302, J303)
JP6C
5-6 *
In for 100 Terminator on RS-422 Port 3 (J302, J303)
JP6D
7-8 *
In for 100 Terminator on RS-422 Port 4 (J302, J303)
1-2
Watch Dog Timer Enabled
JP7
2-3 *
Watch Dog Timer Disabled
* indicates factory default setting
Switch S1 is for factory use only and should not be
changed by the user.
The Ndrive HL control board has no user-replaceable fuses.
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