Ending Calibration; Rs-232 Device Configuration Parameters; Two-Wire Calibration Connection - Fluke 2680A Service Manual

268XA
Service Manual

Ending Calibration

When you are using the manual method of calibration and have completed the calibration
of the desired functions (dc volts, ac volts, ohms, and frequency), send CAL_MODE
OFF to clear CAL from the primary display.

RS-232 Device Configuration Parameters

When CAL is shown in the 2680A/2686A display, it indicates that you are in the
calibration mode. The device configuration parameters are set as listed in Table 5-1.
Channel Configuration
Reading Rate
Trigger Type
Intervals
Drift Correction
External Trigger Output
Temperature Units
Queue Overflow Mode
Totalizer Debounce
Autodisable Scanning
Universal
Input
Module
Channel 11
Wires
5-6
Table 5-1. RS-232 Device Configuration for Calibration Procedures
Parameter
11 12 13 14 15 16 17 18 19 20
SOURCE
H L H L H L H L H L H L H L H L H L H L
(4-WIRE)
SENSE
H L H L H L H L H L H L H L H L H L H L
(4-WIRE)
1 2 3 4
Channel 1
Wires
Figure 5-3. Two-Wire Calibration Connection
Unique to calibration step
Slow
All disabled
All disabled
Enabled
Disabled
Celsius
Discard old
Disabled
On
5 6 7 8 9 10
Setting
5700A Calibrator
OUTPUT
SENSE
V A
V
WIDEBAND
HI
HI
LO
LO
HI
AUX GUARD GROUND
CURRENT
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