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5-18 Backplanes
MN1928
5.3.1.1 Error relay connections
The double-pole relay on the opto-isolator card is controlled directly by the Error Out signal
(section 4.4.3), as shown in Figure 29.
Relay
NextMove ES
REL COM
REL NC
REL NO
96
pin
connector
Backplane
7
9
‘X8’
8
Mint
GLOBALERROROUTPUT
or
DRIVEENABLEOUTPUT
+5 V
Control
circuitry
Error Out
Figure 29 - Relay connections
The error output can be controlled by the
RELAY
keyword, and can be configured as the global
error output by setting
GLOBALERROROUTPUT
to 1000 (
_RELAY0
). See the Mint help file.
While there is no error, the relay is energized, and REL COM is connected to REL NO.
When an error occurs, the relay is de-energized, and REL COM is connected to REL NC.
It is important that the NextMove ES jumper settings are correct to allow it to
control the backplane relay. JP4 and JP5 must be fitted. Jumper JP3 must be
removed. See section 4.4.3 for jumper locations.
CAUTION
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