- **14 Isolated Digital Inputs:** Each channel is optically isolated to 3750 Vrms, ensuring electrical protection and noise immunity. - **RS‑485 Communication Interface:** Two‑wire half‑duplex interface supporting up to 256 modules on a single network segment. - **Modbus RTU Protocol Support:** Fully compliant with Modbus RTU for easy integration with PLCs, SCADA, and HMI systems. - **LED Indicators:** Each input channel has a dedicated LED for visual status indication. - **Wide Input Voltage Range:** Accepts digital input levels from +4 V to +30 V for logic “1” and below +1 V for logic “0”. - **High Isolation Voltage:** 3750 Vrms isolation between input and system logic. - **Low Power Consumption:** Typical power usage of only 0.9 W. - **Wide Operating Temperature Range:** Designed for harsh environments, operating from −25 °C to +75 °C. - **Dual Watchdog System:** Hardware and software watchdogs ensure continuous operation and system reliability. - **EEPROM Configuration Storage:** Retains configuration parameters such as address, baud rate, and protocol settings. - **Manual or Software Configuration:** Can be configured via serial commands or supplied configuration software. - **DIN‑Rail Mountable:** Compact form factor suitable for control cabinets and distributed I/O installations. - **Long‑Distance Communication:** RS‑485 network supports up to 1200 m cable length without repeaters. - **High Scalability:** Up to 256 modules can be connected in a single RS‑485 network. - **Latch and Counter Functions:** Supports digital input latching and counting for pulse or event detection. - **Extended Environmental Durability:** Designed for industrial temperature and humidity conditions.

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **13 Isolated Digital Output Channels:** Each channel is an open-collector NPN transistor output capable of sinking up to 100 mA at voltages up to 30 VDC. All outputs share a common power reference but are isolated from the communication interface. - **RS-485 Communication Interface:** Two-wire half-duplex RS-485 interface supporting baud rates from **1200 to 115200 bps**. Up to **256 modules** can be connected on a single RS-485 network with a maximum cable length of **1200 meters** (without repeater). - **Modbus RTU Protocol Support:** The EX9042D-M supports Modbus RTU for seamless integration with PLCs, SCADA systems, and industrial controllers. It can also operate in ASCII command mode for direct serial control. - **High Isolation Voltage:** Channel-to-system isolation rated at **3750 Vrms**, ensuring electrical protection and noise immunity in industrial environments. - **Wide Power Supply Range:** Operates from **+10 VDC to +30 VDC**, allowing flexible deployment in various control cabinets and field installations. - **Low Power Consumption:** Typical power consumption is **1.6 W**, making it suitable for energy-efficient systems. - **LED Indicators:** 13 status LEDs provide real-time indication of each output channel’s state, simplifying diagnostics and monitoring. - **Extended Temperature Range:** Designed for operation between **-25°C and +75°C**, with storage capability from **-30°C to +75°C**. - **Dual Watchdog System:** Incorporates both hardware (module) and software (host) watchdogs to ensure continuous operation and fail-safe behavior in case of communication loss or system fault. - **EEPROM Configuration Storage:** All configuration parameters (address, baud rate, protocol mode, etc.) are stored in non-volatile memory, retained after power cycling. - **INIT* Mode for Configuration Recovery:** A dedicated INIT* switch or pin allows resetting communication parameters to default values for troubleshooting or reconfiguration.

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **16 Digital Output Channels:** Provides 16 open-collector transistor outputs for controlling external devices such as relays, lamps, or actuators. - **Open Collector (NPN) Outputs:** Each channel can sink up to 100 mA at voltages up to 30 VDC, suitable for driving low-power loads. - **RS-485 Communication Interface:** Two-wire half-duplex communication supporting up to 256 modules on a single network segment. - **Modbus RTU Protocol Support:** Fully compatible with Modbus RTU, enabling integration with PLCs, SCADA systems, and industrial controllers. - **LED Indicators:** Each output channel has a dedicated LED for real-time status monitoring. - **Extended Temperature Range:** Operates reliably from -25°C to +75°C, suitable for industrial and outdoor environments. - **Dual Watchdog System:** Incorporates both hardware (module) and software (host) watchdogs to ensure continuous operation and fail-safe behavior. - **Configurable Power-On and Safe Values:** Allows predefined output states during startup or communication failure. - **Manual or Software Configuration:** Supports configuration via ASCII commands or supplied ExpertDAQ configuration utility. - **Compact and Rugged Design:** Built for industrial environments with high electrical noise immunity and robust isolation. - **Power Supply Flexibility:** Operates from a wide DC input range of +10 to +30 VDC. - **High Isolation Voltage:** 3750 Vrms isolation between communication and I/O circuits for safety and noise immunity. - **Low Power Consumption:** Typical consumption of 1.2 W, ensuring energy efficiency in large installations.

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **4 Isolated Digital Inputs:** Each input channel is optically isolated to 3750 Vrms, ensuring protection against electrical noise and ground loops. - **8 Open‑Collector Digital Outputs:** NPN transistor outputs capable of sinking up to 375 mA per channel at voltages up to 30 V DC. - **RS‑485 Communication:** Two‑wire half‑duplex interface supporting baud rates from 1200 bps to 115.2 kbps. - **Modbus RTU Protocol:** Fully compliant with Modbus RTU for easy integration with PLCs, HMIs, and SCADA systems. - **LED Channel Indicators:** 12 status LEDs (4 for inputs, 8 for outputs) provide real‑time visual feedback of channel states. - **Dual Watchdog System:** Hardware and software watchdogs ensure continuous operation and fail‑safe output control. - **Wide Power Supply Range:** Operates from +10 V DC to +30 V DC, with low power consumption (approx. 1.7 W). - **Extended Temperature Range:** Designed for harsh environments, operating from −25 °C to +75 °C. - **EEPROM Configuration Storage:** Retains address, baud rate, and protocol settings even after power loss. - **INIT* Mode:** Hardware switch or pin allows reset to default configuration for recovery or reconfiguration. - **Manual or Software Configuration:** Parameters can be set via serial commands or configuration software. - **Compact and Robust Design:** Suitable for DIN‑rail or panel mounting in industrial control cabinets.

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **8 Digital Inputs (Sink Type):** Accepts input voltages from +4V to +30VDC with a logic low threshold below +1VDC. - **8 Digital Outputs (Source Type, PNP):** Open-collector transistor outputs capable of sourcing up to 30–50mA per channel at +10V to +30VDC. - **RS-485 Communication Interface:** Two-wire half-duplex communication supporting baud rates from 1200 to 115200 bps. - **Modbus RTU Protocol Support:** Fully compatible with Modbus RTU for easy integration into industrial networks. - **Dual Watchdog System:** Includes both hardware (module) and software (host) watchdogs for enhanced reliability and fault recovery. - **LED Indicators:** 16 LEDs provide real-time status for each input and output channel. - **Wide Power Supply Range:** Operates from +10VDC to +30VDC with low power consumption (1.9W typical). - **Extended Temperature Range:** Designed for industrial environments with operating temperatures from -25°C to +75°C. - **EEPROM Configuration Storage:** Retains configuration parameters such as address, baud rate, and protocol settings. - **INIT* Mode for Configuration Recovery:** Allows resetting or reconfiguring the module if communication parameters are lost. - **Compact and Robust Design:** Built for DIN-rail or panel mounting in industrial control cabinets. - **Supports up to 256 Modules per RS-485 Network:** Scalable architecture for large distributed I/O systems. - **Optional RS-485 Repeaters:** Extend communication distance by up to 1200 meters per segment.

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **8 Digital Inputs (Source Type):** Accepts voltage levels from +3.5 V to +30 V for logic high, with a maximum logic low threshold of +1 V. - **8 Digital Outputs (Open Collector, NPN Sink Type):** Each output can drive up to 30 mA at voltages between +10 V and +30 V DC. - **RS‑485 Communication Interface:** Two‑wire half‑duplex interface supporting baud rates from 1200 bps to 115.2 kbps. - **Modbus RTU Protocol Support:** Fully compatible with Modbus RTU for integration into standard industrial networks. - **Dual Watchdog System:** Hardware and software watchdogs ensure continuous operation and automatic recovery from communication or system faults. - **LED Indicators:** Sixteen status LEDs (one per channel) provide real‑time visual feedback for input and output states. - **Wide Power Supply Range:** Operates from +10 V DC to +30 V DC with low power consumption (1.9 W typical). - **Extended Temperature Range:** Reliable operation from ‑25 °C to +75 °C, storage down to ‑30 °C. - **High Channel Density:** Compact design with 16 total I/O channels in a single module. - **Manual or Software Configuration:** Parameters such as address, baud rate, and protocol can be configured via ASCII commands or supplied configuration software. - **INIT* Mode for Recovery:** Built‑in INIT* switch allows resetting configuration to default settings for troubleshooting or reconfiguration. - **Safety and Reliability:** Short‑circuit protection on outputs, EEPROM storage for configuration, and safe‑value/power‑on‑value settings for predictable startup behavior. - **Network Scalability:** Up to 256 modules can be connected on a single RS‑485 bus (maximum cable length 1200 m without repeater).

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **16 Isolated Digital Inputs:** Sixteen single‑ended input channels with optical isolation for reliable signal acquisition in noisy industrial environments. - **High Input Voltage Range:** Accepts logic level 1 voltages from +10 VDC to +50 VDC, and logic level 0 below +4 VDC, enabling direct connection to a variety of sensors and switches. - **Optical Isolation:** 3750 Vrms isolation between channels and system logic ensures protection against ground loops and transient surges. - **RS‑485 Communication Interface:** Two‑wire half‑duplex serial interface supporting baud rates from 1200 bps to 115.2 kbps. - **Modbus RTU Protocol:** Fully compatible with the Modbus RTU standard for open connectivity with PLCs, SCADA, and HMI systems. - **LED Channel Indicators:** Sixteen front‑panel LEDs provide real‑time visual indication of input channel status. - **Wide Power Supply Range:** Operates from +10 VDC to +30 VDC, suitable for industrial 24 VDC power systems. - **Compact and Robust Design:** DIN‑rail or wall‑mountable ABS enclosure designed for harsh industrial environments. - **Extended Temperature Operation:** Rated for ‑25 °C to +75 °C operating temperature, ensuring reliability in field installations. - **Watchdog Protection:** Hardware and software watchdogs safeguard against communication loss or system hang‑ups. - **Network Scalability:** Up to 256 modules can be connected on a single RS‑485 bus (without repeater, maximum cable length 1200 m).

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **8 Isolated Digital Inputs:** Eight fully isolated differential input channels ensure reliable signal acquisition and protection against ground loops and electrical noise. - **High Isolation Voltage:** 3750 Vrms optical isolation between channels and system logic provides excellent protection against transient voltages and interference. - **Wide Input Voltage Range:** Accepts logic‑level signals from +4 V to +30 V for a logic “1” and below +1 V for a logic “0”, allowing compatibility with a wide range of sensors and control signals. - **RS‑485 Communication Interface:** Two‑wire half‑duplex RS‑485 interface supporting baud rates from 1200 bps up to 115.2 kbps. Up to 256 modules can be connected on a single RS‑485 network (maximum cable length 1200 m without repeater). - **Modbus RTU Protocol Support:** Full Modbus RTU compliance for easy integration with PLCs, SCADA systems, and industrial controllers. - **LED Channel Indicators:** Eight front‑panel LEDs display the real‑time status of each input channel for quick diagnostics. - **Low Power Consumption:** Typical power consumption of only 1.2 W at 10–30 V DC supply voltage. - **Extended Temperature Range:** Designed for operation from −25 °C to +75 °C, suitable for demanding industrial and outdoor environments. - **Dual Watchdog System:** Hardware and software watchdogs ensure continuous operation and automatic recovery from communication or system faults. - **EEPROM Configuration Storage:** Retains module address, baud rate, and configuration parameters even after power loss. - **INIT* Configuration Mode:** Rear‑mounted INIT* switch allows easy access to configuration mode for resetting or reprogramming communication parameters.

Manufacturer: TOPSCCC

Category: Modules Digital IO

ExpertDAQ Digital Input modules communicate via RS485 and are available with Modbus RTU, Within one RS485-network up to 256 modules may be controlled, Without a RS485 Repeater the maximum cable length is 1200m, The RS485 Digital IO module are sturdy, power saving and easy to use, the EX9053D-M has 16 channels with a low input impedance, The Digital Input RS485 module has a LED-display for each channel and was developed for use in a wide temperature range, features: 16 digital inputs, all inputs isolated, LED-display for each channel, extended temperature range, low input impendance, Digital Level 0:

Manufacturer: TOPSCCC

Category: Modules Digital IO

- **Dual‑function I/O:** 8 isolated digital inputs and 8 isolated digital outputs in a single compact module. - **Isolated Channels:** 3750 Vrms isolation between channels and logic circuitry for enhanced noise immunity. - **Output Type:** Open‑source N‑MOSFET outputs capable of sourcing up to 650 mA per channel at voltages up to 40 V DC. - **Input Type:** Single‑ended isolated inputs with common source or common ground; supports both dry and wet contact sensing. - **Modbus RTU Protocol:** Fully compatible with Modbus RTU for easy integration with PLCs, SCADA, and HMI systems. - **RS‑485 Communication:** Two‑wire half‑duplex interface supporting baud rates from 1200 bps to 115.2 kbps. - **LED Indicators:** 16 status LEDs (8 for inputs, 8 for outputs) provide real‑time channel state visualization. - **Wide Power Range:** Operates from 10 V DC to 30 V DC with low power consumption (~1.6 W). - **High Reliability:** Incorporates hardware and software watchdogs, power‑on and safe‑state output values, and EEPROM configuration storage. - **Extended Temperature Range:** Designed for operation from ‑25 °C to +75 °C, suitable for industrial and outdoor applications. - **Compact and Modular:** DIN‑rail or wall‑mountable housing compatible with other ExpertDAQ modules for scalable systems.

Manufacturer: TOPSCCC

Category: Modules Digital IO