QUANTUM
™
HD COMPRESSOR CONTROL PANEL
MAINTENANCE
090.040-M (NOV 2016)
Page 31
The following table is to be used to set the digital board addresses. If there is only one board installed, it should be set as board
#1, if there are two boards they each need to be set according to the wiring diagrams.
DIGITAL BOARD SETTINGS
The following table is to be used when conguring the Quantum™ HD for external communications.
J5
in 120 ohm long communications line termination.
out* No termination.
J7
in RS-422/485 transmit pull-up for long communications lines.
out* No pull-up.
J8
in RS-422 transmit pull-up for long communications lines.
out* No pull-up.
J9
in RS-422/485 receive pull-down for long communications lines.
out* No pull-down.
J10
in RS-422 receive pull-down for long communications lines.
out* No pull-down.
* = standard setting
090.040-TB0008.indd
Table 8. Communication Settings
Table 9. Dipswitch Settings
SW1 SW2 SW3 SW4 SW5 SW6
Board #1 on on on on off on
Board #2 off on on on off on
090.040-TB0009.indd
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