Omron H7EC Manual page 112

I Operating Procedures (Tachometer Function)
Switching from Counter to Tachometer
The H7CX is factory-set to the 2-stage
counter (1-stage counter for H7CX-AU@
models) configuration. To switch to the
tachometer configuration, use the
procedure shown on the right. For details,
refer to page 39.
Settings for Basic Operations
Settings for basic functions can be performed with just the DIP switch.
Item
1 DIP switch set- Disabled
tings enable/
disable
2 Counting speed 30 Hz
3 Tachometer out- Refer to the table on the right.
put mode
4
5 Average pro- Refer to the table on the right.
cessing
6
7 --- ---
8 NPN/PNP input NPN
mode
Easy Confirmation of Switch Settings Using Indicators
The ON/OFF status of the DIP switch pins can be
confirmed using the front display. For details, refer to page 124.
Note: 1. Be sure to set pin 1 of the DIP switch to ON. If it is set to OFF, the DIP switch settings will not be enabled.
2. Changes to DIP switch settings are enabled when the power is turned ON.
Advanced-Function Settings
After making DIP switch settings for basic operations, advanced-functions (see note) can be added using the operation keys.
For details, refer to page 34.
Note: Advanced functions consist of decimal point position, prescale value, auto-zero time, startup time, display color, output allo-
cation, and key protect level.
C-118
Multifunction Preset Counter
Configuration selection mode
Switch to 2cnt to taco (tachometer operation) using the
Be sure to set pin 1 to ON.
1 2 3 4 5
ON
OFF
Note: All of the pins are factory-set to OFF.
OFF ON
Enabled
10 kHz
---
PNP
H7CX (Tachometer Function)
Hold down for
MODE +
1
1 s min. (See note.)
Note: The key must be pressed before the
MODE
6 7 8
Pin 3
OFF OFF
ON OFF
OFF ON
ON ON
Pin 5
OFF
ON
OFF
ON
Power ON
Run mode
key.
key.
1
Pin 4 Tachometer output mode
Upper and lower limit
Area
Upper limit
Lower limit
Pin 6 Average processing
OFF OFF (no average processing)
OFF 2 times
ON 4 times
ON 8 times