Counting Relay HHM1 Series

MOQ : 60

The HHM1-A Series Counting Relay is a professional-grade industrial preset counter engineered for high-precision batching and production line monitoring. This versatile 6-digit digital counter supports multiple working voltages (DC24V, AC220V, AC380V) and offers bi-directional forward/backward counting with a high-speed pulse response of up to 1000Hz. Designed for seamless integration, it accepts inputs from PNP sensors, meter wheels, or contact signals, featuring an adjustable scaling coefficient (0.001-9.999) that makes it an ideal digital length meter. With its robust 10-year power failure memory, diverse relay output modes (N, C, F, R, X), and standard 96×48mm panel mount design, the HHM1-A ensures maximum data security and reliable automation control in demanding manufacturing environments.

The HHM1 Series is a professional-grade 8-digit digital pulse counter engineered for high-precision automation and complex batching tasks. This high-speed industrial counter supports an exceptional frequency of 3000Hz (3000 times/second), making it ideal for rapid production lines requiring absolute accuracy. As a reversible electronic counter, it features both forward and backward counting modes and an ultra-precise scaling coefficient (0.0001-9.9999), allowing it to function as a high-resolution digital length meter when paired with PNP sensors or meter wheels. Designed for global industrial standards, it is compatible with DC24V, AC220V, and AC380V power supplies. With its robust 10-year power failure memory, multi-standard N/C/F/X/R relay outputs (3A), and a standard 96×48mm panel-mount design, the HHM1 series provides a reliable, long-term solution for sophisticated monitoring and control applications.

The HHM1-D Series is a professional-grade 8-digit digital counter engineered for high-precision industrial automation and production tracking. As a versatile reversible pulse counter, it supports both forward and backward counting with a high-speed response of up to 1000Hz (1000 times/second). This programmable preset counter is designed for global compatibility, supporting DC24V, AC220V, and AC380V power supplies and integrating seamlessly with PNP normally open sensors, photoelectric switches, or meter wheels. Featuring an adjustable scaling coefficient (0.001-9.999), it serves as an ideal digital length meter for precise measurement applications. With its robust 10-year power failure memory, multi-standard N/C/F/R/X relay outputs (3A), and a standard 72x72mm panel-mount design (68x68mm cutout), this unit ensures maximum reliability and data security in demanding manufacturing environments.

The Counting Relay HHM1-E Series is a professional-grade 72×72 digital counter engineered for high-precision batching and automated production monitoring. As a versatile reversible pulse counter, it supports both forward and backward counting with a high-speed response of 1000Hz (1000 times/second), ensuring accuracy in rapid industrial environments. This programmable preset counter is highly compatible, supporting DC24V, AC220V, and AC380V power supplies and integrating seamlessly with PNP proximity switches, photoelectric sensors, or meter wheels. Featuring an adjustable measurement coefficient (0.001-9.999), it functions as a reliable digital length meter for precise material tracking. With a robust 10-year power failure memory, multi-standard N/C/F relay outputs, and a standard 72x72mm panel-mount design (68x68mm cutout), the HHM1-E provides a secure and efficient solution for diverse automation control systems.

HHM1-A

Working power supply: DC24V; AC220V, AC380V
Working mode: forward counting, backward counting
Counting speed: high frequency 1000 times/second; low frequency 30 times/second
Counting range: 1-999999
Value coefficient: 0.001-9.999
Input signal: contact signal, meter wheel, PNP normally open photoelectric switch/proximity switch
Output mode: N, C, F, R, X multi-standard
Power failure memory: 10 years
Contact form: a group of normally open and normally closed contacts
Contact capacity: 3A AC250V (resistive)
Dimensions: 96×48×114mm
Opening size: 92×45mm
Installation method: panel type

Specification	HHM1-A
Operating power	DC24V；AC220V、AC380V
Operating Mode	Forward Count, Reverse Count
Counting speed	High frequency 1000 times/second; Low frequency 30 times/second
Counting Range	1-999999
Coefficient of measurement	0.001-9.999
Input signal	Contact signal, metre wheel, PNP normally open photoelectric switch/proximity switch
Blackout memory	10 years
Output mode	N、C、F、R、X
Contact form	One set of normally open and normally closed contacts
Contact capacity	3A AC250V (resistive)
Temperature range	-5°-40°C
Dimensions	96×48×114mm
Opening dimensions	92×45mm
Installation	panel mounted

HHM1-B

Working power supply: DC24V; AC220V, AC380V
Working mode: forward counting, backward counting
Counting speed: high frequency 3000 times/second; low frequency 30 times/second
Counting range: 1-99999999
Value coefficient: 0.0001-9.9999
Input signal: contact signal, meter wheel, PNP normally open photoelectric switch/proximity switch
Output mode: N, C, F, X, R multi-standard
Power failure memory: 10 years
Contact form: a group of normally open and normally closed contacts
Contact capacity: 3A AC250V (resistive)
Dimensions: 96×48×114mm
Opening size: 92×45mm
Installation method: panel type

Specification	HHM1-B
Operating power	DC24V；AC220V、AC380V
Operating Mode	Forward Count, Reverse Count
Counting speed	High frequency 3000 times/second; Low frequency 30 times/second
Counting Range	1-99999999
Coefficient of measurement	0.0001-9.9999
Input signal	Contact signal, metre wheel, PNP normally open photoelectric switch/proximity switch
Blackout memory	10 years
Output mode	N、C、F、R、X
Contact form	One set of normally open and normally closed contacts
Contact capacity	3A AC250V (resistive)
Temperature range	-5°-40°C
Dimensions	96×48×114mm
Opening dimensions	92×45mm
Installation	panel mounted

HHM1-D

Working power supply: DC24V; AC220V, AC380V
Working mode: forward counting, backward counting
Counting speed: high frequency 1000 times/second; low frequency 30 times/second
Counting range: 1-99999999
Value coefficient: 0.001-9.999
Input signal: contact signal, meter wheel, PNP normally open photoelectric switch/proximity switch
Output mode: N, C, F, R, X multi-standard
Power failure memory: 10 years
Contact form: a group of normally open and normally closed contacts
Contact capacity: 3A AC250V (resistive)
Dimensions: 72×72×81mm
Opening size: 68×68mm
Installation method: panel type

Specification	HHM1-D
Operating power	DC24V；AC220V、AC380V
Operating Mode	Forward Count, Reverse Count
Counting speed	High frequency 1000 times/second; Low frequency 30 times/second
Counting Range	1-99999999
Coefficient of measurement	0.001-9.999
Input signal	Contact signal, metre wheel, PNP normally open photoelectric switch/proximity switch
Blackout memory	10 years
Output mode	N、C、F、R、X
Contact form	One set of normally open and normally closed contacts
Contact capacity	3A AC250V (resistive)
Temperature range	-5°-40°C
Dimensions	72×72×81mm
Opening dimensions	68×68mm
Installation	panel mounted

HHM1-E

Working power supply: DC24V; AC220V, AC380V
Working mode: forward counting, backward counting
Counting speed: high frequency 1000 times/second; low frequency 30 times/second
Counting range: 1-999999
Value coefficient: 0.001-9.999
Input signal: contact signal, meter wheel, PNP normally open photoelectric switch/proximity switch
Output mode: N, C, F multi-standard
Power failure memory: 10 years
Contact form: a group of normally open and normally closed contacts
Dimensions: 72×72×81mm
Opening size: 68×68mm
Installation method: panel type

Specification	HHM1-E
Operating power	DC24V；AC220V、AC380V
Operating Mode	Forward Count, Reverse Count
Counting speed	High frequency 1000 times/second; Low frequency 30 times/second
Counting Range	1-999999
Coefficient of measurement	0.001-9.999
Input signal	Contact signal, metre wheel, PNP normally open photoelectric switch/proximity switch
Blackout memory	10 years
Output mode	N、C 、F
Contact form	One set of normally open and normally closed contacts
Contact capacity	3A AC250V (resistive)
Temperature range	-5°-40°C
Dimensions	72×72×81mm
Opening dimensions	68×68mm
Installation	panel mounted

FAQs

Q1. What is the Counting Relay HHM1 Series used for?
The HHM1 Series is a counter relay designed to count pulses, events, or operations and trigger output when a preset count value is reached.

Q2. What functions does the HHM1 counting relay support?
It supports preset counting, signal accumulation, output control, and manual or automatic reset for industrial automation tasks. Click here to know more.

Q3. What input devices can be used with the HHM1 counter relay?
It can work with photoelectric sensors, proximity sensors, limit switches, push buttons, and encoders to receive counting signals.

Q4. Where is the HHM1 Series commonly applied?
The HHM1 is widely used in packaging machines, conveyor systems, production lines, printing equipment, and automated assembly systems.