Omron K3HB Datasheet

18 Up/Down Counting Pulse Indicator K3HB-C
Operation
■ Functions (Operating Modes)
F1 to F3
Note: 1. Meaning of H and L in Display
2. Requires at least half the minimum signal width. If there is less than half, a ±1 count error may occur.
Input Type Setting
Function name Function No.
Individual inputs f1
Phase differential inputs f2
Pulse counting input f3
Function Operation Operation image (application)
F1
Individual
inputs
Counts input A as incremental pulses and input B as
decremental pulses. The count is incremented on the
rising edge of input A and decremented on the rising
edge of input B. If both inputs rise at the same time, the
count is not changed. The count is incremented when
input B is later than input A and decremented when input
B is earlier than input A.
Counting the number of people entering an area
F2
Phase dif-
ferential in-
puts
This function is normally used when connected to an
incremental rotary encoder. The count is incremented on
the falling edge of input B when input A is OFF. The count
is decremented on the rising edge of input B when input
A is OFF.
Detecting position and speed on a semiconductor wafer conveyor line
F3
Pulse
counting
input
Counted on the rising edge of input A Counting the number of workpieces
Symbol Input method No-voltage input
H Short-circuit
L Open
Input A
Input B
HOLD input
L
H
L
H
L
H
Count
0
1
2
3
2
11
2
3
BCD output
Photoelectric
sensor
To
Programmable
Controller
Increment
Decrement
Input A
Input B
Count
0
1
2
3
2
11
HOLD
input
0
L
H
L
H
L
H
(See note 2.)
Wafer
E6L
Input A
HOLD
input
L
H
L
H
Count
0
1
2
3
4
5
6
BCD output
To
Programmable
Controller
NO: Voltage pulse high NC: Voltage pulse low
No-contact or voltage pulse input 00 01
Contact 10 11

Omron K3HB Specifications

General

Input Type	Thermocouple, RTD, Voltage, Current
Control Output	Relay, Voltage, Current
Communication	RS-485
Mounting	Panel
Humidity	25% to 85%
Supply Voltage	100-240 VAC, 24 VDC