Honeywell UDC 3300 사용자 설명서
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UDC 3300 Process Controller Product Manual
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7.3 Preliminary Information
Calibration steps
Use the following steps when calibrating an input.
Step
Action
1
Find the minimum and maximum range values for your PV input range from
Table 7-1.
Table 7-1.
2
Disconnect the field wiring and find out what equipment you will need to
calibrate. DO NOT remove external resistor assemblies (if present).
calibrate. DO NOT remove external resistor assemblies (if present).
3
Wire the calibrating device to your controller according to the Set Up wiring
instructions for your particular input.
instructions for your particular input.
4
Follow the calibration procedure given for Input #1, Input #2, or Input #3,
after the controller has warmed up for a minimum of 15 minutes.
after the controller has warmed up for a minimum of 15 minutes.
Disconnect the field
wiring
wiring
Depending on which input (#1, #2, or #3) you are going to calibrate, tag
and disconnect any field wiring connected to the input terminals on the
rear of the controller.
and disconnect any field wiring connected to the input terminals on the
rear of the controller.
Figure 7-1 shows the wiring terminal designations for Input #1, Input #2,
and Input #3.
and Input #3.
Figure 7-1
Inputs #1, #2, and #3 Wiring Terminals
24173
L1
L2/N
22
23
24
25
26
27
R
+
–
+
–
–
Input 1
connections
R
Input 2
connections
Input 3
connections
+
–