Product Overview
The JDM1-48 Counting Relay is designed for counting and control in automation systems, ideal for equipment requiring precise count or pulse control such as conveyors, packaging machines, and batch processes. It supports both low-speed and high-speed counting applications.
Main Features
- Dual Speed Options: Low-speed (30 counts/sec) and high-speed (200 counts/sec) versions
- Power-Off Memory: “M” version retains count data for over 10 years
- Multiple Input Types: Supports contact inputs, NPN sensors, and optocoupler signals
- 4-Digit LED Display: Clear visual count indication
- Wide Voltage Range: AC/DC 24V-48V operation
- Flexible Control: Count up, count down, and preset functions
- Relay Output: 1CO contact for control applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Counting Speed | 30 cps (Low-speed) / 200 cps (High-speed) |
| Display | 4-digit LED, 0.36 inch |
| Input Signal | Contact, NPN, Optocoupler |
| Power Supply | AC/DC 24V-48V |
| Output | 1CO Relay (5A 250VAC) |
| Memory | Non-volatile (10+ years for M version) |
| Standard | IEC 60947-5-1 |
Technical and Application Notes
The JDM1-48 counting relay is designed for reliable operation in industrial automation environments. Its wide input compatibility allows connection to various sensor types, while the dual-speed options accommodate both mechanical and electronic pulse sources.
The power-off memory function in the “M” version ensures that count values are preserved during power interruptions, critical for applications where accurate cumulative counting is essential.
Typical Applications
- Conveyor belt counting
- Packaging machine batch control
- Production line piece counting
- Automatic batching systems
- Machine cycle counting
- Event and pulse monitoring
- Position counting applications
Ordering Support
When ordering JDM1-48 counting relays, please specify:
- Counting speed (30 cps or 200 cps)
- With or without memory function (M version)
- Power supply voltage (AC/DC 24V-48V)
- Input signal type requirements
- Mounting preference (panel or DIN rail)
Product Catalog
For detailed specifications and technical data, please refer to the product catalog below.
