- **4 × Isolated Digital Inputs:** Four optically isolated input channels with 3750 Vrms isolation and 3 kΩ input impedance. Logic levels: Low 

Manufacturer: TOPSCCC

Category: Modules Relay

- **Communication Interface:** RS‑485, 2‑wire, supporting Modbus RTU protocol. - **Digital Inputs:** 8 optically isolated channels with common source; supports dry contact, TTL/CMOS, or open‑collector signals. - **Relay Outputs:** 3 AC‑SSR (Form A) channels, rated for 1 A at 24–265 VAC, with leakage current

Manufacturer: TOPSCCC

Category: Modules Relay

- **8 Isolated Digital Inputs** with galvanic isolation for noise immunity. - **3 DC‑SSR Relay Outputs** rated up to **1 A at 3–30 V DC**, with leakage current below **0.1 mA**. - **RS‑485 Communication Interface** supporting **Modbus RTU** protocol for easy integration with PLCs, HMIs, and SCADA systems. - **LED Indicators** for each input and output channel for real‑time status monitoring. - **Galvanic Isolation** between I/O and communication circuits (3750 Vrms). - **Extended Operating Temperature Range:** −25 °C to +75 °C. - **Dual Watchdog System:** Hardware and software watchdogs ensure continuous operation and fail‑safe output control. - **Manual or Software Configuration:** Address, baud rate, and protocol can be set via DIP switch or Modbus commands. - **DIN‑rail or panel mounting** for flexible installation. - **Compact, power‑efficient design** with low consumption (approx. 1.5 W). - **Long relay life:** Minimum **10⁵ switching cycles**. - **Supports up to 256 modules** on a single RS‑485 network (without repeater, max. 1200 m cable length).

Manufacturer: TOPSCCC

Category: Modules Relay

- **Communication Interface:** RS‑485, 2‑wire half‑duplex bus - **Protocol:** Modbus RTU (default) or ASCII command mode - **Digital Inputs:** 8 optically isolated channels with 3750 Vrms isolation - **Relay Outputs:** 3 Form‑A mechanical relays rated 5 A @ 250 VAC or 30 VDC - **Galvanic Isolation:** Complete isolation between input, output, and communication circuits - **LED Indicators:** 11 LEDs for channel and power status visualization - **Wide Power Range:** Operates from 10 VDC – 30 VDC supply - **Extended Temperature Range:** −25 °C to +75 °C operating, −30 °C to +75 °C storage - **Dual Watchdog System:** Hardware and software watchdogs ensure fail‑safe operation - **Configurable via Software:** Baud rate, address, and protocol selectable through Modbus or ASCII commands - **DIN‑Rail Mountable:** Compact industrial housing suitable for control cabinets - **Long Relay Life:** Minimum 10⁵ mechanical operations per channel - **Network Scalability:** Up to 256 modules per RS‑485 network, 1200 m cable length without repeater

Manufacturer: TOPSCCC

Category: Modules Relay

- **8‑Channel Photo‑MOS Relay Outputs:** Each output is a Form‑A (normally open) PhotoMOS relay providing electrical isolation and fast switching. - Turn‑On Time: 0.7 ms - Turn‑Off Time: 0.05 ms - Output Resistance: 23 Ω - I/O Capacitance: 0.8 pF (at 1 MHz) - **High Isolation and Safety:** - Channel‑to‑channel and channel‑to‑system isolation up to **5000 VAC**. - Protects control systems from surges, noise, and ground loops. - **Wide Output Range:** - Output Voltage: 0 – 350 VAC (peak) - Output Current: 0 – 0.13 A (peak) - **RS‑485 Communication Interface:** - 2‑wire half‑duplex serial interface. - Baud rates: 1200 – 115200 bps. - Supports both **Normal mode** and **Modbus RTU mode**. - **Modbus RTU Protocol Support:** - Fully compatible with standard Modbus RTU master devices. - Custom firmware ensures 3.5‑bit idle time between command and response for timing compliance. - Supports Modbus function codes 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x0F, and watchdog‑related codes. - **Dual Watchdog System:** - **Module Watchdog:** Hardware circuit monitors internal operation and resets the module if a fault occurs. - **Host Watchdog:** Software timer monitors communication with the host; if timeout occurs, outputs revert to safe values. - **LED Indicators:** - Per‑channel LED indicators for output status. - Power and communication status LEDs for diagnostics. - **Wide Power Input Range:** - +10 V DC – +30 V DC input. - Power consumption: 1.9 W typical. - **Rugged Industrial Design:** - Operating temperature: −25 °C – +75 °C. - Compact DIN‑rail mountable housing. - Designed for continuous operation in industrial control panels.

Manufacturer: TOPSCCC

Category: Modules Relay

- **5 Isolated Digital Inputs (DI):** Accepts logic levels from +4V to +30V for logic high and below +1V for logic low. Each input channel is optically isolated to prevent ground loops and electrical interference. - **5 DC Solid-State Relay Outputs (SSR):** Capable of switching up to **1A at 3–30VDC**, providing fast, silent, and reliable switching with a minimum lifetime of **10⁵ operations**. - **RS-485 Communication Interface:** Two-wire half-duplex communication supporting baud rates from **1200 to 115.2 kbps**. Up to **256 modules** can be connected on a single RS-485 network, with a maximum cable length of **1200 meters** without a repeater. - **Modbus RTU Protocol Support:** Fully compatible with Modbus RTU for seamless integration with PLCs, SCADA systems, and industrial controllers. Supports both manual configuration and software-based setup. - **LED Indicators:** Each input and output channel is equipped with an LED status indicator for real-time monitoring of channel states. - **Galvanic Isolation:** Input-to-output and communication isolation ensures reliable operation in noisy industrial environments. Isolation voltage rated at **3750 Vrms** for inputs and **2500 Vrms** for outputs. - **Dual Watchdog System:** Incorporates both hardware and software watchdogs (WDT) to ensure continuous operation and automatic recovery from communication or system faults. - **Wide Operating Temperature Range:** Designed for harsh environments, operating reliably from **-25°C to +75°C**. - **Compact and Durable Design:** Rugged enclosure suitable for DIN-rail or panel mounting, optimized for industrial automation panels.

Manufacturer: TOPSCCC

Category: Modules Relay

- **Dual Functionality:** 4 isolated digital inputs and 5 relay outputs (Form A, normally open). - **Communication Interface:** RS-485, 2-wire, supporting Modbus RTU protocol. - **High Channel Isolation:** 3750 Vrms isolation for inputs and 4000 V surge strength for outputs. - **Relay Output Capacity:** Each relay channel supports up to **5A at 250 VAC** or **5A at 30 VDC**. - **Wide Power Supply Range:** Operates from **+10 VDC to +30 VDC**, allowing flexible power integration. - **LED Indicators:** 11 status LEDs for real-time monitoring of input/output states. - **Extended Temperature Range:** Reliable operation from **-25°C to +75°C**. - **Dual Watchdog System:** Hardware and software watchdogs ensure continuous operation and system safety. - **Galvanic Isolation:** Complete isolation between input, output, and communication circuits for noise immunity. - **Compact and Durable Design:** Built for industrial environments with high electrical noise and temperature variations. - **Modbus RTU Compatibility:** Fully compliant with Modbus RTU standard for easy integration with PLCs, SCADA, and HMI systems. - **EEPROM Configuration Storage:** Retains configuration data such as address, baud rate, and protocol settings even after power loss. - **Manual or Software Configuration:** Supports both hardware-based INIT* mode and software configuration commands.

Manufacturer: TOPSCCC

Category: Modules Relay

- **Dual Functionality:** Combines 5 relay outputs (Form A) and 4 isolated digital inputs in a single compact module. - **High Isolation:** 4000 V surge strength on relay outputs and 3750 Vrms isolation on digital inputs ensure electrical protection and noise immunity. - **RS‑485 Communication:** Two‑wire RS‑485 interface supporting Modbus RTU protocol for easy integration into industrial automation systems. - **Wide Baud Rate Range:** Configurable communication speeds from 1200 bps to 115.2 kbps. - **High Load Capacity:** Each relay channel supports up to 5 A at 250 VAC or 30 VDC. - **LED Indicators:** 11 status LEDs provide real‑time visual feedback for input/output channel states and module status. - **Extended Temperature Range:** Operates reliably from −25 °C to +75 °C, suitable for field and factory environments. - **Dual Watchdog System:** Hardware and host watchdogs ensure continuous operation and fail‑safe output control. - **Galvanic Isolation:** Complete isolation between input, output, and communication circuits to prevent ground loops. - **Compact and Modular Design:** DIN‑rail mountable form factor for easy installation in control cabinets. - **Modbus RTU Compatibility:** Fully compliant with Modbus RTU standard, supporting standard function codes for read/write operations. - **EEPROM Configuration Storage:** Retains address, baud rate, and configuration settings even after power loss. - **INIT* Mode:** Built‑in initialization mode for resetting configuration parameters and recovering forgotten settings. - **Power‑Efficient Operation:** Low power consumption (approx. 1.5 W typical). - **Long Relay Life:** Minimum mechanical life of 10⁵ operations per channel. - **Flexible Power Supply:** Accepts 10 – 30 V DC input voltage range. - **Network Scalability:** Supports up to 256 modules on a single RS‑485 bus (up to 1200 m cable length without repeater).

Manufacturer: TOPSCCC

Category: Modules Relay

- **Seven Relay Output Channels:** Provides 7 Form A (normally open) relay outputs, each capable of switching up to 1.0 A at 24 VDC or 0.5 A at 120 VAC. - **RS-485 Communication Interface:** Two-wire RS-485 interface supporting multiple baud rates (1200 to 115.2 kbps) and Modbus RTU/ASCII protocols. Up to 256 modules can be connected in a single RS-485 network with a maximum cable length of 1200 meters (without repeater). - **LED Channel Indicators:** Each output channel includes an individual LED indicator for real-time status monitoring. - **Galvanic Isolation:** Input and output circuits are galvanically isolated to protect against electrical noise and ground potential differences. - **Wide Power Supply Range:** Operates from a 10–30 VDC power source, consuming approximately 1.9 W. - **Extended Temperature Range:** Designed for operation in harsh environments, with an operating temperature range from -25°C to +75°C and storage range 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 or system errors. - **EEPROM Configuration Storage:** Stores configuration parameters such as address, baud rate, and protocol settings in non-volatile memory. - **INIT* Mode for Configuration Recovery:** A dedicated INIT* switch or terminal allows resetting the module to default communication parameters for troubleshooting or reconfiguration. - **Modbus Protocol Support:** Fully compatible with Modbus RTU and ASCII command sets, enabling easy integration with PLCs, SCADA systems, and industrial PCs.

Manufacturer: TOPSCCC

Category: Modules Relay

- **8 Isolated PhotoMOS Relay Outputs:** Each channel provides a normally open (Form A) contact configuration, suitable for controlling AC or DC loads up to 350 VAC (peak) or 0.13 A (peak). - **High-Speed Switching:** Turn-on time of 0.7 ms and turn-off time of 0.05 ms enable rapid response for time-critical control applications. - **High Isolation Voltage:** 5000 VAC isolation between channels and logic circuitry ensures robust protection against electrical noise and surges. - **RS-485 Communication Interface:** Two-wire serial interface supporting multiple baud rates (1200 bps to 115.2 kbps) for long-distance, multi-drop communication. - **Modbus RTU Protocol Support:** Fully compatible with Modbus RTU standard for seamless integration with PLCs, SCADA systems, and industrial controllers. - **Dual Watchdog Timer:** Hardware (module) and software (host) watchdogs ensure continuous operation and fail-safe behavior in case of communication loss or system fault. - **LED Indicators:** Eight channel LEDs provide real-time output status visualization for easy diagnostics. - **Wide Power Supply Range:** Operates from +10 VDC to +30 VDC, suitable for diverse industrial power environments. - **Compact and Rugged Design:** Engineered for harsh industrial conditions with an operating temperature range of -25 °C to +75 °C. - **EEPROM Configuration Storage:** Retains module address, baud rate, and protocol settings even after power loss. - **INIT* Mode for Configuration Recovery:** Allows resetting or reconfiguring communication parameters when module settings are unknown. - **Safe and Power-On Values:** User-definable output states for startup and fault conditions to ensure predictable system behavior.

Manufacturer: TOPSCCC

Category: Modules Relay

- **8 Independent Relay Outputs:** Eight Form‑A (normally open) relay channels for digital output control of external devices such as solenoids, lamps, contactors, or alarms. - **RS‑485 Communication Interface:** Two‑wire RS‑485 interface supporting multi‑drop networking of up to 256 modules on a single bus, with a maximum cable length of 1200 m (without repeater). - **Modbus RTU and ASCII Protocols:** Fully compatible with Modbus RTU for industrial interoperability; also supports ASCII command mode for direct serial control and configuration. - **LED Channel Indicators:** Each output channel includes a dedicated LED for real‑time status indication, simplifying diagnostics and monitoring. - **Wide Power Supply Range:** Operates from +10 VDC to +30 VDC, allowing flexible integration with various industrial power systems. - **Galvanic Isolation:** Input/output isolation ensures electrical protection between communication lines and relay circuits, improving system safety and noise immunity. - **Dual Watchdog System:** Hardware and software watchdogs monitor both module and host operation, automatically resetting or switching outputs to safe states in case of communication failure. - **Extended Temperature Range:** Designed for operation in demanding environments, with an operating range from ‑25 °C to +75 °C and storage range from ‑30 °C to +75 °C. - **Compact, Rugged Design:** Industrial‑grade enclosure suitable for DIN‑rail or panel mounting, optimized for distributed I/O applications. - **Manual or Software Configuration:** Module parameters (address, baud rate, protocol mode) can be configured via ASCII commands, Modbus registers, or the ExpertDAQ configuration utility.

Manufacturer: TOPSCCC

Category: Modules Relay

- **Dual 32-bit Counter Inputs:** Two independent 32-bit counters (Counter 0 and Counter 1) capable of counting up to 4,294,967,295 (2³²–1). - **Frequency Measurement:** Measures input frequencies from 1 Hz to 100 kHz with programmable gate times of 1.0 or 0.1 seconds. - **Isolated or Non-Isolated Inputs:** Each channel can be configured independently for isolated or non-isolated operation, providing flexibility for different signal sources. - **High Isolation Voltage:** 3750 Vrms isolation between input and system circuitry ensures robust protection against electrical noise and surges. - **Dual Digital Outputs:** Two open-collector outputs rated at 30 V and 30 mA maximum load, usable for alarms or general digital control. - **Programmable Alarm Function:** Supports single- and dual-channel alarm modes with configurable high and high-high thresholds. - **RS485 Communication Interface:** Supports Modbus RTU protocol for easy integration into industrial networks; up to 256 modules can be connected on one RS485 bus. - **Programmable Start Value and Preset:** Counters can be initialized to user-defined start values or reset to preset values via command. - **Wide Power Supply Range:** Operates from 10 to 30 VDC (non-regulated). - **Hardware and Software Watchdog:** Ensures reliable operation and automatic recovery from communication or system faults. - **7-Segment LED Display:** Provides real-time display of counter or frequency values, or can be host-controlled for custom display data. - **Compact and Rugged Design:** Engineered for industrial environments with robust electrical isolation and wide operating temperature range.

Manufacturer: TOPSCCC

Category: Modules Relay

ExpertDAQ RS485 Timer / Counter have been developed for professional use in industry, The RS485 Timer / Counter are controllable via RS485 and are available with Modbus RTU, Within one RS485 network up to 256 module can be controlled, the EX9080DR-M has 2 digital input which can measure frequencies between 1Hz and 100kHz, The Counter has 32bit memory, The digital Output can emit currents up to 30mA at 30V, The EX9080DR-M has a programmable Start-Value and alarm function, The EX9080DR-M has a 4,5-digit 7-segment LED-display and can be operated in a wide temperature range, features: 2 digital input channels, measure frequency from 1Hz - 100kHz, maximum current 30mA at 30V, Digital Level 0:

Manufacturer: TOPSCCC

Category: Modules Relay