Omron E5EK User Manual

7.4 Calibrating Current Input
E5EK
7--9
7.4 Calibrating Current Input
F Preparation
10
9
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6
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4
3
2
1
20
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18
17
16
15
14
13
12
11
21 22
23
DMM
STV
+
--
SOURCE
AC100-240V
(AC/DC24V )
~
• In the above figure, STV refers to a standard DC current/voltage
source, and DMM refers to a precision digital multimeter. However,
note that the DMM is required only when the transfer output func-
tion is supported.
This example describes how to calibrate a current input when the
transfer output function is supported. If the transfer output function is
not supported, skips steps (4) to (7).
(1) When [
] is displayed, the 30 -minute timer is displayed on the
No.2 display and counts down. This timer serves as a guide for the
aging time when agin g is required.
(2) Pr ess the
key. The display changes to [ ] (20mA calibra-
tion display). Set the STV output to 20mA. When the value on the
No.2 display has stabilized (changes of several digits max.), press
the
key to temporarily store the calibration data.
(3) Pr ess the
key. The display changes to [ ] (0mA calibration
display). Set the STV output to 0 mA. When the value on the No.2
display has stabilized (changes of several digits max.), press the
key to temporarily store the calibration data.
(4) Next, calibrate the transfer output function. If the transfer output
function is not supported, skip to step (8). Press the
key. The
display changes to [
] (20mA calibration display).
(5) Set the o utput to 20mA by the
or keys while monitoring
the voltage on the digital multimeter. In the example on the left,
the display indicates that the value two digits smaller than before
calibration is “20mA”.
(6) Pr ess the
key. The display changes to [ ] (4mA calibration
display).
(7) Set the output to 4mA by the
or keys while monitoring the
voltage on the digital multimeter. In the example on the left, the
display indicates that the value two digits smaller than before cal-
ibration is “4mA”.
(8) Pr ess the
key until the display changes to the data save dis-
play. Press the key. The No.2 display changes to [ ], and
two seconds later the calibration data is saved to internal memory.
If you press the
key when the No.2 display reads [ ], the
calibration data is invalidated.
(9) This completes calibration of current input. Press the
key to
return the display to [
].
F Calibration

Omron E5EK Specifications

General

Brand	Omron
Model	E5EK
Category	Controller
Language	English