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Industrial Modbus RTU Mixed Input And Output Module, Multiple Isolation Protection Circuits
- Industrial-grade module with 2-ch relay outputs, digital inputs, and analog current/voltage inputs, featuring high-precision data acquisition and dual isolation for reliable RS485 communication.
- Equipped with protection circuits including power isolation, resettable fuse, and TVS for enhanced safety and performance in demanding environments.
Artikelnummer:
13155
Verfügbarkeit: Sofort-Versand ab Lager
CHF 26.40
Artikelbeschrieb
Details
The Modbus RTU Module (A) is an industrial standard mixed input and output module, supports 2-ch relay outputs, 2-ch digital inputs, 2-ch analog current outputs, and 2-ch analog current/voltage inputs. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.
- Supports 7V ~ 36V wide voltage power supply, configurable device address (1 ~ 255), multi devices can be cascaded on RS485 bus
- Supports power isolation and magnetical isolation, enabling power and signal dual isolation for communication, with high reliability and strong anti-interference capability
- Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & ESD protection
- Supports passive and active digital input, with bi-directional optocoupler isolation, built-in debouncing algorithm. The relays support digital input linkage control or toggle control
- Supports 12-bit high-precision acquisition with multiple range input modes, supports single-ended/differential input, supports voltage and current simultaneous acquisition
- Adopts high-precision resistors and zero-drift high-precision operational amplifier for more accurate data output or acquisition
- High quality relay, contact rating: ≤10A 250V AC or ≤10A 30V DC
- Rail-mount PC flame-retardant case design, easy to install and safer to use
- 3 × LEDs for indicating the MCU status and signal transceiving status
Specifications
| Power Supply | 7V ~ 36V | |
|---|---|---|
| Communication Interface | RS485 | |
| Baud Rate | 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 | |
| Default Communication Format | 9600, N, 8, 1 | |
| Modbus Protocol | Standard Modbus RTU protocol | |
| RS485 Address | 1 ~ 255 | |
| Relay Output | Relay Channels | 2-ch |
| Contact Form | 1 NO, 1 NC | |
| Contact Rating | ≤10A 250V AC or ≤10A 30V DC | |
| Analog Output | Output Mode | 2-ch current output |
| Resolution | 12-bit, 1μA | |
| Range | 0 ~ 20mA | |
| Output Accuracy | ±0.03mA | |
| Digital Input | Digital Input Channels | 2-ch |
| Active Input | 5V ~ 36V DC | |
| Input Type | Passive input / Active input (NPN or PNP Type) | |
| Isolation Type | Bi-directional optocoupler | |
| Analog Input | Analog Input Channels | 2-ch |
| Range | 0 ~ 10V/2 ~ 10V 0 ~ 20mA/4 ~ 20mA |
|
| Sampling Accuracy | 12-bit resolution, accuracy ≤3‰ | |
| Data Update Rate | 31Hz | |
| Current Sampling Resistor | 249Ω | |
| LED Indicators | STA: MCU indicator, keeps flashing when the MCU normally working TXD: TX indicator, lights up when sending data RXD: RX indicator, lights up when receiving data |
|
Primary function
Supports sending Modbus RTU protocol commands via RS485
for digital and analog input/output
Industrial Grade Isolated Protection
Onboard power and signal dual isolation for RS485 communication, provides stable isolation voltage, features high reliability and strong anti-interference performance. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightningproof & ESD protection. Built-in resettable fuse and protection diode, provides over-current and over-voltage proof, improves shock-proof performance, suitable for industrial environments with high requirement.
Relay connection
Contact rating of the onboard relay up to 10A 250V AC or 10A 30V DC
Directly controlling 220V AC home appliances, or devices below 30V DC
Industrial High-precision Analog Output
2-ch Analog Output, 12-bit High-precision DA Conversion
Digital Input
Supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation
Supports voltage/current acquisition, Wider Measurement range
Onboard analog acquisition interfaces, voltage/current acquisition is switchable via jumper. Multiple Ranges Configurable via Software
Interfaces & Indicators
With Multiple LED Indicators, Easy To Monitor The Operating Status
Rail-Mount Support
Rail-mount PC flame-retardant case, easy to install, and safer to use
Package Content
Weight: 0.168 kg
- Modbus RTU Module (A) x1
- Screwdriver x1
