Calibration Chapter 5
Lab-NB User Manual 5-2 © National Instruments Corporation
Calibration Trimpots
The Lab-NB has six trimpots for calibration. The location of these trimpots on the Lab-NB
board is shown in the partial diagram of the board in Figure 5-1.
1 2 3 4 5
1R6 2R7
3R8 4R9
5 R10 6 R1
Figure 5-1. Calibration Trimpot Location Diagram
The following trimpots are used to calibrate the analog input circuitry:
• R1 – Offset trim, analog input
• R10 – Gain trim, analog input
The following trimpots are used to calibrate the analog output circuitry:
• R6 – Gain trim, analog output channel 0
• R7– Offset trim, analog output channel 0
• R8 – Gain trim, analog output channel 1
• R9 – Offset trim, analog output channel 1