should install the USB driver provided by Control Solutions. Complete instructions
including step by step screen shots are provided in Appendix A.
The necessary driver was already included in Windows XP, but anything newer
requires an explicitly installed driver. A properly signed and verified USB driver is
provided for the MTX002.
2.3 Connecting the ValuPoint
Connecting Power: C24VDC or 24VAC to the terminal marked POWER.
Connect common to the terminal marked GND.
Connecting BACnet MS/TP: Connect RS-485 (EIA-485) data lines to NET+ and NET-
next to POWER. Observe polarity of the data lines. Reverse polarity will be tolerated
(i.e., not damage the unit) but will not function either. Connect RS-485 common
and/or cable shield to one of the terminals marked GND as applicable.
Connecting I/O: Refer to section 13 for physical I/O connections.
2.4 Connecting the USB Adapter
Connect the NET+ and NET- terminals to the corresponding MS/TP terminals on the
gateway (or to +/- on the MS/TP network). Connect GND to network common.
DO NOT connect power to the terminal block on the adapter. The adapter gets its
power from the USB port of your PC. The adapter only draws a very small amount of
power, well below the limit provided by standard USB ports.
2.5 Indicators on the VP4-0630 Programmable I/O
2. Installation and Connections
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