Omron E5CN-FR, Manual

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8
Limit Controller
E5CN-FR
Operating Method
■
Outline of Operation Procedures
The following diagram illustrates the entire setting level. A password is required to enter the advance function setting level and the calibration level.
Some parameters may not be displayed depending on the protection settings and operation conditions.
The control operation will stop when switching from operation level to initial setting level.
Note: 1. Operation level entered for software reset.
2. You cannot move to other levels by operating the keys on the front panel from the calibration level. You must turn OFF the power supply.
3. The time taken to move to the protect level can be adjusted by changing the “Move to protect level time” setting.
Troubleshooting
When an error has occurred, the No. 1 display shows the error code. Take necessary measure according to the error code, referring the table
bellow.
Note: 1. Refer to “E5CN-FR Limit Controller User’s Manual” for details of the control range.
2. These errors are displayed only when the PV/Limit SP is displayed.
3. If the display is restored to normal after cycling the power supply, the error may have been caused by noise. Check for noise being generated nearby.
No. 1 display Meaning Action Status at error
Limit outputs Alarm
s.err
Input error (See note 2.)
(broken line, A/D converter
error) Check the wiring of inputs, disconnections, shorts and input type.
(See note 3.) OFF Operates as
above the upper
limit.
-lo-
Over lower-limit indication
range (See note 2.) Input value is smaller than control range.
Check the control range. Upper limiter Normal operation Operates as
above the lower
limit.
Lower limiter OFF
-hi-
Over upper-limit indication
range (See note 2.) Input value is larger than control range.
Check the control range. Upper limiter OFF Operates as
above the upper
limit.
Lower limiter Normal operation
e111
Memory error Turn the power OFF then back ON again. If the display remains the
same, the controller must be repaired. (See note 3.) OFF OFF
[[[[
Over display range (lower-
limit display range)
(See note 2.) This is not an error. This is displayed when the input value exceeds
the display limit but is within the control range. Normal operation Normal operation
Input password.
Input password.
Set value 1201
Control in progress
Control stopped
Not displayed for some models
Level change
Power ON
Press the
Level Key
less than 1 s.
Press the Level
Key for at least 1 s.
Press the
Level + Mode
Keys.
for at least 1 s
Press the
Level + Mode Keys;
display will flash.
(See
note 1.)
(See
note 2.)
Set value
−
169
Press the
Level Key for
at least 1 s.
Press the Level Key
for at least 1 s;
display will flash.
Press the Level
Key for at least
3 s.
Press the Level +
Mode Keys for at least
3 s. (See note 3.)
Press the Level Key
for less than 1 s.
l.adj F
25
100
F
Operation Level
Adjustment Level
Control stops.
Protect Level
Initial Setting Level
Communications
Setting Level
Advanced Function
Setting Level
Calibration Level