DSWM Series at a Glance
| Series | I/O Configuration | Wireless | Communication | Primary Application |
|---|---|---|---|---|
| DSWM-8DI | 8 DI | LoRa | RS-485 | Remote signal acquisition |
| DSWM-8DO | 8 DO | LoRa | RS-485 | Remote actuator control |
| DSWM-8AI | 8 AI | LoRa | RS-485 | Analog monitoring |
| DSWM-8AO | 8 AO | LoRa | RS-485 | Analog control |
| DSWM-4AI4AO | 4 AI + 4 AO | LoRa | RS-485 | Process control |
| DSWM-4DI4AI4DO | 4 DI + 4 AI + 4 DO | LoRa | RS-485 | Mixed I/O applications |
| DSWM-8DI8DO | 8 DI + 8 DO | LoRa | RS-485 | General remote automation |
A Smarter Distributed Automation Architecture
Traditional Centralized I/O
Field Sensors / Actuators
↓
Long Multi-Core Control Cables
↓
Central Control Panel
↓
PLC
This can become expensive and difficult when field devices are located far from the main panel.
DSWM Distributed I/O
Sensors / Transmitters / Switches
↓
DSWM Remote I/O
↓
LoRa Wireless Communication
↓
DSWM / Wireless Host
↓
RS-485 / Modbus RTU
↓
PLC / HMI / SCADA
The result is a more flexible distributed architecture with I/O positioned closer to the field devices.
DSWM Product Family
DSWM-8DI
8-Channel Digital Input Wireless I/O
Designed for remote digital signal acquisition.
8 Digital Inputs
LoRa Wireless
RS-485
Modbus RTU
Typical Signals
- Proximity sensors
- Photoelectric sensors
- Limit switches
- Push buttons
- Machine status signals
- Alarm contacts
- Digital feedback signals
Ideal for:
Machine status monitoring, conveyor systems, remote machine signals and distributed sensor networks.
DSWM-8DO
8-Channel Digital Output Wireless I/O
Designed for remote machine and actuator control.
8 Digital Outputs
LoRa Wireless
RS-485
Modbus RTU
Typical Applications
- Solenoid valves
- Relay interfaces
- Indicator lights
- Pneumatic controls
- Machine enable signals
- Actuator control
Ideal for:
Remote equipment control and distributed machine automation.
DSWM-8AI
8-Channel Analog Input Wireless I/O
Designed for remote process and analog signal monitoring.
8 Analog Inputs
LoRa Wireless
RS-485
Modbus RTU
Typical Signals
- Pressure transmitters
- Temperature transmitters
- Flow transmitters
- Level transmitters
- Process sensors
- Industrial transducers
Ideal for:
Remote process monitoring and analog data acquisition.
DSWM-8AO
8-Channel Analog Output Wireless I/O
Designed for remote analog control applications.
8 Analog Outputs
LoRa Wireless
RS-485
Modbus RTU
Typical Applications
- VFD speed reference
- Proportional valves
- Control valves
- Analog controllers
- Process control equipment
Ideal for:
Distributed analog control systems.
DSWM-4AI4AO
4 Analog Inputs + 4 Analog Outputs
A balanced solution for applications requiring both remote measurement and analog control.
4 AI + 4 AO
LoRa Wireless
RS-485
Modbus RTU
Ideal Applications
- Process automation
- Temperature control
- Pressure control
- Flow control
- Valve control
- Distributed process systems
DSWM-4DI4AI4DO
Mixed Digital & Analog Wireless I/O
A versatile configuration combining:
4 Digital Inputs
4 Analog Inputs
4 Digital Outputs
This configuration is particularly useful where a machine requires both status monitoring, analog measurement and remote digital control.
Typical Applications
- Machine automation
- Furnace automation
- Pumping systems
- Process equipment
- Packaging machinery
- Material handling systems
The same 4DI + 4AI + 4DO architecture is also represented in the reference LoRa distributed-I/O family.
DSWM-8DI8DO
8 Digital Inputs + 8 Digital Outputs
A powerful general-purpose configuration for distributed machine automation.
8 DI + 8 DO
LoRa Wireless
RS-485
Modbus RTU
Applications
- Conveyor automation
- Machine monitoring
- Remote actuator control
- Assembly lines
- Packaging machines
- Material handling
- Automated production systems
LoRa Wireless Communication
The DSWM Series uses LoRa wireless technology to connect distributed I/O points.
Instead of routing long control cables between every machine and the main control cabinet, remote I/O modules can communicate wirelessly across the industrial installation.
Benefits of LoRa for Distributed I/O
- Long-range communication
- Low power wireless technology
- Strong wireless link for distributed applications
- Suitable for low-bandwidth industrial signals
- Reduced field cabling
- Flexible installation
- Suitable for remote equipment
Wireless frequency and maximum communication distance should be specified separately for each Denki Seigyo model/region.
RS-485 & Modbus RTU
The DSWM Series combines wireless field communication with a familiar industrial wired interface.
RS-485
RS-485 provides a robust serial interface commonly used for industrial automation equipment.
Modbus RTU
Modbus RTU enables the DSWM module to exchange I/O data with compatible automation controllers.
Typical Connection
PLC
↓
RS-485
↓
DSWM
↓
LoRa
↓
Remote DSWM
↓
Field I/O
The reference products similarly support Modbus RTU commands through serial communication and wireless LoRa networking.
Digital Input Applications
Connect Your Field Sensors Wirelessly
DSWM digital inputs can be used for remote acquisition of switching signals such as:
Proximity Sensors
Photoelectric Sensors
Limit Switches
Push Buttons
Pressure Switches
Level Switches
Machine Status Contacts
Alarm Signals
This makes DSWM particularly useful for applications where sensors are distributed over a large machine or production area.
Digital Output Applications
Control Remote Equipment
Digital outputs can be used to interface with suitable:
- Relays
- Solenoid valves
- Contactors
- Indicator lamps
- Pneumatic actuators
- Machine control inputs
- Alarm devices
Always select the appropriate interface/relay driver according to the actual load and the final DSWM output specification.
Analog Input Applications
Bring Remote Process Data to Your PLC
Analog DSWM models allow process variables to be acquired from remote locations.
Typical Measurements
Pressure
Temperature
Flow
Level
Speed
Process Variables
This is particularly useful in plants where process transmitters are located away from the main control panel.
Analog Output Applications
Wireless Process Control
The DSWM analog-output models can be positioned close to remote control equipment and receive their control values wirelessly.
Example
PLC
↓
Modbus
↓
LoRa
↓
DSWM-8AO
↓
Analog Control Signal
↓
VFD / Valve / Controller
This can significantly simplify distributed process-control architectures.
Mixed I/O for Complete Machine Control
The DSWM-4DI4AI4DO and DSWM-8DI8DO configurations are especially useful for machines requiring both monitoring and control.
Example
Sensors
→ 4 DI
Transmitters
→ 4 AI
Actuators
← 4 DO
All three signal groups can be handled by one distributed wireless I/O node.
Typical Application Architecture
Conveyor System
Photoelectric Sensors
→ DSWM
→ LoRa
→ PLC
→ DSWM
→ Motor/Actuator Interface
Process Plant
Pressure / Flow / Level Transmitters
→ DSWM-8AI
→ LoRa
→ PLC / SCADA
Machine Automation
Proximity Sensors
→ DSWM-8DI
→ LoRa
→ PLC
→ DSWM-8DO
→ Solenoid Valves
Applications
Factory Automation
Distributed machine I/O without extensive control wiring.
Conveyor & Material Handling
Remote sensor monitoring and actuator control.
Furnace & Heating Systems
Remote status, alarm and process-signal acquisition.
Packaging Machinery
Distributed sensors and actuator signals.
Process Automation
Analog process monitoring and control.
Water & Utility Systems
Remote monitoring and distributed equipment control.
Machine Retrofit
Add remote I/O to existing machinery while reducing new cable installation.
Large Production Lines
Connect machines and field devices separated by significant distances.
Designed for Distributed Automation
Where Conventional Wiring Becomes Difficult
The DSWM Series is particularly valuable when:
✓ Machines are physically separated
✓ Control panels are far from field devices
✓ Cable installation is expensive
✓ Existing equipment needs modernization
✓ Additional I/O needs to be added
✓ Remote process signals need to reach a PLC
✓ Multiple machines need to communicate wirelessly
Installation
The DSWM concept is intended for industrial control-panel and machine-side installation.
Installation Options
DIN Rail Mounting
For control cabinets and electrical panels.
Panel / Positioning Mounting
For direct installation inside machine enclosures.
The reference LoRa I/O products use both guide-rail and positioning-hole installation, with a compact industrial enclosure.
DSWM Series Selection Guide
| Requirement | Recommended Model |
|---|---|
| Only digital sensor monitoring | DSWM-8DI |
| Only remote digital control | DSWM-8DO |
| Remote analog measurement | DSWM-8AI |
| Remote analog control | DSWM-8AO |
| Analog measurement + control | DSWM-4AI4AO |
| Mixed sensor + analog + output control | DSWM-4DI4AI4DO |
| General machine DI/DO automation | DSWM-8DI8DO |
DSWM Series Advantages
| Feature | Advantage |
|---|---|
| LoRa Wireless | Distributed long-range communication |
| RS-485 | Industrial communication interface |
| Modbus RTU | Easy controller integration |
| Multiple I/O | Application-specific selection |
| Digital I/O | Machine monitoring & control |
| Analog I/O | Process measurement & control |
| Distributed Architecture | I/O closer to field devices |
| Reduced Cabling | Less long-distance control wiring |
| DIN Rail | Easy industrial installation |
| Scalable Family | One platform for multiple applications |
DSWM Series Technical Overview
| Parameter | DSWM Series |
|---|---|
| Product Type | Industrial Wireless Remote I/O |
| Wireless Technology | LoRa |
| Wired Communication | RS-485 |
| Protocol | Modbus RTU |
| Digital Inputs | Model dependent |
| Digital Outputs | Model dependent |
| Analog Inputs | Model dependent |
| Analog Outputs | Model dependent |
| Installation | DIN Rail / Panel |
| Application | Industrial Automation |
| Configuration | 7 I/O variants |
Ordering Information
DSWM Series Model Structure
DSWM – I/O Configuration
| Code | Description |
|---|---|
| DSWM | Denki Seigyo Wireless Module |
| 8DI | 8 Digital Inputs |
| 8DO | 8 Digital Outputs |
| 8AI | 8 Analog Inputs |
| 8AO | 8 Analog Outputs |
| 4AI4AO | 4 Analog Inputs + 4 Analog Outputs |
| 4DI4AI4DO | 4 Digital Inputs + 4 Analog Inputs + 4 Digital Outputs |
| 8DI8DO | 8 Digital Inputs + 8 Digital Outputs |
Available Models
DSWM-8DI
DSWM-8DO
DSWM-8AI
DSWM-8AO
DSWM-4AI4AO
DSWM-4DI4AI4DO
DSWM-8DI8DO
Why Denki Seigyo DSWM?
One Wireless Platform. Multiple I/O Solutions.
From simple remote digital monitoring to mixed analog and digital machine control, the DSWM Series provides a common wireless I/O platform for industrial automation.
Monitor remotely.
Control remotely.
Reduce wiring.
Simplify automation.
Frequently Asked Questions
What is a wireless remote I/O module?
A wireless remote I/O module collects digital and/or analog signals from field devices and transfers the information wirelessly to an automation controller.
What wireless technology does the DSWM Series use?
The DSWM Series uses LoRa wireless communication.
Does DSWM support RS-485?
Yes. The specified DSWM family uses RS-485 communication.
Does DSWM support Modbus RTU?
Yes. The DSWM architecture is intended for Modbus RTU-based industrial communication.
Can I connect sensors directly to DSWM?
Yes, where the sensor signal matches the electrical specifications of the selected DI/AI model.
Which DSWM model should I select?
For digital sensor monitoring choose DSWM-8DI; for digital control choose DSWM-8DO; for analog monitoring choose DSWM-8AI; for analog control choose DSWM-8AO; and for mixed applications choose DSWM-4AI4AO, DSWM-4DI4AI4DO or DSWM-8DI8DO.
Can DSWM be used with a PLC?
Yes. The RS-485/Modbus RTU interface is intended for integration with compatible PLCs and automation controllers.
Where is wireless remote I/O useful?
It is particularly useful where field devices are distributed away from the main control cabinet, where long cable runs are undesirable, or where existing machinery needs additional remote I/O.
