Instruction manual

Instruction Manual Smart-Trak
®
50 Series
IM-50 Rev. A.2 12
Installing Your Instrument—Mechanical Mounting
Mounting Your Instrument
The base plate or bottom of the instrument has four mounting holes. Two are SAE thread
and two are metric thread. For location and dimensions, please see Appendix B.
Installing Your Instrument—Electrical Connections
All electrical connections for your Smart-Trak
®
50 Series instrument can be made on
either side panel. See Figure 2-2 for the pinout
50 Series
DB9 Description
Wire Color in Cable
1 4-20 mA / 0-5 VDC Output
White
2 4-20 mA / 0-5 VDC Output Return
Brown
3 4-20 mA / 0-5 VDC Setpoint in
Blue
4 4-20 mA / 0-5 VDC Setpoint Return
Orange
5 +24 VDC in/Power Input (+)
Red
6 Power Return (-)/RS 232 Ground
Green
7 N/C (RS-485 Bus Isolated Ground)
Yellow
8 RS-232 Tx (RS-485 Bus B, +, D1)
Purple
9 RS-232 Rx (RS-485 Bus A, -, D0)
Gray
Shield/Case Earth Ground
Shield/Drain Wire
DB9 Pin-out locations on instrument. There are two DB9 connectors, one on each side of the enclosure.
Assure block off plate covers unused DB9...
Figure 2-2: Smart-Trak
®
50 Series Connections