Block Diagram - Omron K3MA-F Datasheet

Connections
■ Terminal Arrangement
Power
supply
External power supply
Terminal No.
A1 - A2
E4 , E6 - E5
E1 , E2 - E3
B5 - B6

■ Block Diagram

4
Frequency/Rate Meter
Output
terminals
Input
terminals
Operation power
Pulse input
Outputs
External power supply
Input circuit
Input
Micro-
computer
EEPROM
5 V
Constant voltage circuit
Power supply circuit
Note: Relay output models only.
K3MA-F
A1
A2
100- to 240-VAC type or
24-VAC/VDC type
(No polarity for 24-VDC
connection.)
Note: Refer to Input Circuits on page 5.
Name
Key
Display
Output
X
circuit
12 V
Models with
comparative
output
OUT1
OUT2
+
B5
12 V
40 mA
B6
−
Description
Connects the operation power supply.
No-voltage contact/open collector input
Outputs the relay outputs.
Use as the power supply for sensors.
Contact output
(See note.)
E1
E2
E3
E4
E5
E6