Rice Lake 920i Dual Channel Analog Input Card - Manual (Page 7)

7
Calibration
To calibrate the indicator using the front panel, use the following steps.
1. Place the indicator in setup mode (display reads Scale Configuration ).
2. With the Scales menu highlighted, press the down arrow key, then select the scale to be calibrated. Press
down again, then press left to highlight the CALIBR sub menu.
3. Use down arrow to go to zero calibration ( WZERO ).
4. Set input current or voltage to the desired value.
5. Use the down arrow key to view the previous calibration value.
6. With the input value set to the lowest desired level, press the Calibrate softkey.
7. Use the up and right arrow keys to go to WVAL .
8. Use the down arrow key to view the previous WVAL value.
9. Enter the display value proportional to the calibration input signal ( WSPAN ).
10.Press enter .
11. Use the up and right arrow keys to go to WSPAN .
12.Adjust the input to the desired input value.
13.Use the down arrow key to view the previous value.
14.Press the Calibrate softkey.
15.Use the up arrow key to return to SCALES .
16.Press Save and Exit to return to normal operating mode.
Parts Kit Contents
Table 4 lists the part kit contents for the analog input option.
Specifications
A/D Resolution 14 Bit Effective Resolution
Available Channels 2
PN Description
14626 Kep nuts, 8-32 NC (2)
14822 Machine screw, 4-40NC x 1/4 (2)
15133 Lock washers, NO 8 type (2)
15631 Cable tie (3-inch nylon) (4)
15885 4-position terminal block (1)
53075 Cable shield ground clamp (2)
73997 Multiple cable bushing (1)
76513 4-position screw terminal connector (2)
85357 Dual analog input card (1)
87702 Sealing plug, 3 x 9 mm (1)
Table 4 Parts Kit Contents
Range Sensitivity @ 60 Hz
+/– 10V +/– 1 mV
+/– 100 mV +/– .05 mV
4-20 mA / 0020 mA +/– .05 mA
Table 5 Analog Input Ranges