Datasheet

56 Tachometer H7CX-R
■ Self-diagnostic Function
The following displays will appear if an error occurs.
Note: 1. Includes the case where the EEPROM has reached its overwrite lifetime.
2. Occurs when the measurement value reaches 999,999.
3. Display flashes (1-second cycles).
■ Operation in DIP Switch Monitor Mode
The H7CX-R is also equipped with a DIP switch monitor function, a convenient function that enables the settings of the DIP switch pins to be con-
firmed using the front display.
Note: When the mode is changed to DIP switch monitor, the measurement value is reset, outputs turns OFF, and measuring stops.
Main display Sub-display Error Output status Correction method Set value after
reset
ffffff
(See note 3.)
No change Measurement value overflow
(See note 2.)
No change Measurement value
≤ 999999 No change
e1 Not lit CPU OFF Either press the hold key or reset the
power supply.
No change
e2 Not lit Memory error (RAM) OFF Reset the power supply. No change
e2 sum Memory error (EEP)
(See note 1.)
OFF Reset to the factory settings using the
hold key.
0
1
+
12345678
Indicates that DIP switch pin 8 is ON.
Indicates that DIP switch pin 7 is OFF.
Indicates that DIP switch pin 6 is ON.
Indicates that DIP switch pin 5 is OFF.
Indicates that DIP switch pin 4 is ON.
Indicates that DIP switch pin 3 is OFF.
Indicates that DIP switch pin 2 is ON.
Indicates that DIP switch pin 1 is OFF.
Example
Run Mode
DIP Switch Monitor Mode
Measurement stopped
Measurement possible
Power ON
1 s min.
(See note.)
1
1
To change the mode to DIP switch monitor mode, press the
Key for 1 s min. with the key held down. The mode will not
change if the key is pressed first.
DIP switch
monitor
The status of the DIP switch pins (1 to 8) can be confirmed using the
keys.
ON
OFF
1
HLD
HLD
TACHOMETER