Product Description
Conversion Module Analog 4-20mA 0-5V 0-10V to RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485 Transform Modules
Conversion Module Analog 4-20mA 0-5V 0-10V to RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485 Transform ModulesConversion Module Analog 4-20mA 0-5V 0-10V to RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485 Transform Modules

2-Channel Product Overview:
The module can collect up to two analog signals (4-20mA, 0-5V, 0-10V) on site and upload them through the standard ModBus-RTU communication protocol of 485 interface. The maximum communication distance of 485 interface is 1000 meters. It can be directly connected to the PLC, industrial control instrument, configuration screen or configuration software on site. Acquisition accuracy 12-bit resolution, 0.1% accuracy. It can be widely used in industrial sites, distribution cabinets and other places requiring analog signal acquisition.
Functional characteristics:
DC7-30V anti-reverse connection, over voltage protection, over current protection, short circuit protection
2-way analog current input 4 ~ 20mA (compatible with 0-20mA)
two analog voltage input 0 ~ 5V, 0 ~ 10V
2 relay switching output
12-bit resolution, 0.1% precision ADC
support standard Modbus-RTU communication protocol
communication operation indicator light, anti-crash guard dog
with lightning protection, electrostatic protection RS485 communication port, operation amplifier signal isolation
each channel analog signal acquisition range can be set independently
The address, baud rate and check bit can be set by the upper computer software
Main technical indicators:
Power supply: 5-30 VDC (12VDC is recommended)Power consumption: 0.3W
AD conversion resolution: 12 bits
Collection signal: 4 to 20mA(compatible with 0 to 20mA), 0 to 5V, 0 to 10V Optional
Storage environment: -40 ° C to 60 ° C
Communication port: RS485
Communication protocol: ModBus-RTU
Acquisition accuracy: ±0.1%
Address range: The factory default is 0x01. The value range is 0x01-0xfD
Serial port parameters: 1200-115200 BPS configurable, factory default baud rate 4800 N 8 1
Collection frequency: 115200 baud rate 100HZ(100 times/second)
9600 baud rate fastest 20HZ (20 times/second)
4-Channel Product Overview:The module can collect up to four analog signals (4-20mA, 0-5V, 0-10V) on site and upload them via standard ModBus-RTU communication protocol on 485 interface. The maximum communication distance of 485 interface is 1000 meters. It can be directly connected to the PLC, industrial control instrument, configuration screen or configuration software on site. Acquisition accuracy 12 bit (4095) resolution, 0.1% accuracy. It can be widely used in industrial sites, distribution cabinets and other places requiring analog signal acquisition.Functional characteristics:
- DC7-30V anti-reverse connection, over voltage protection, over current protection, short circuit protection
- 4 channels analog current input 4 ~ 20mA (compatible with 0-20mA)
- 4 analog voltage input 0 ~ 5V, 0 ~ 10V
- 12-bit resolution, 0.1% precision ADC
- support standard Modbus-RTU communication protocol
- communication operation indicator light, anti-crash guard dog
- with lightning protection, electrostatic protection RS485 communication interface, operation amplifier signal isolation
- each channel analog signal acquisition range can be set independently
- The address, baud rate and check bit can be set by the upper computer software
Main technical indicators:
Power supply: 5-30 VDC (12VDC is recommended)
Power consumption: 0.3W
AD conversion resolution: 12 bits
Collection signal: 4 to 20mA(compatible with 0 to 20mA), 0 to 5V, 0 to 10V Optional
Storage environment: -40 ° C to 60 ° C
Communication port: RS485
Communication protocol: ModBus-RTU
Acquisition accuracy: ±0.1%
Address range: The factory default is 0x01. The value range is 0x01-0xfD
Serial port parameters: 1200-115200 BPS configurable, factory default baud rate 9600 N 8 1
Collection frequency: 115200 baud rate 100HZ(100 times/second)
9600 baud rate fastest 20HZ (20 times/second)
8-Channel Product Overview:This module can collect up to 8 analog signals (4-20mA, 0-5V, 0-10V), output 4 relay switching signals and upload them through 485 interface standard ModBus-RTU communication protocol. The maximum communication distance of 485 interface is 1000 meters. It can be directly connected to the PLC, industrial control instrument, configuration screen or configuration software on site. Acquisition accuracy 12 bit (4095) resolution, 0.1% accuracy. It can be widely used in industrial sites, distribution cabinets and other places requiring analog signal acquisition.
Functional characteristics:
DC7-30V anti-reverse connection, over voltage protection, over current protection, short circuit protection
8 channels analog current input 4 ~ 20mA (compatible with 0-20mA)
8 channels analog voltage input 0 ~ 5V, 0 ~ 10V
4 relay switching output
12-bit resolution, 0.1% precision ADC
support standard Modbus-RTU communication protocol
communication operation indicator light, anti-crash guard dog
with lightning protection, electrostatic protection RS485 communication port, operation amplifier signal isolation
The address, baud rate and check bit can be set by the upper computer software
Power supply: 7 to 30V DC (12VDC is recommended)
Power consumption: DC12V power supply, 4 relay suction 2W. DC12V, 4-way relay is disconnected to 0.3W.
Number of input channels: 8 analog channels are collected
Number of output channels: number of 4 relay switches
AD conversion resolution: 12 bits
Collection signal: 4 to 20mA(compatible with 0 to 20mA), 0 to 5V, 0 to 10V Optional
Storage environment: -40 ° C to 60 ° C
Communication port: RS485
Communication protocol: ModBus-RTU protocol acquisition accuracy: ±0.1%
Address range: The factory default is 0x01. The value range is 0x01-0xfD
Serial port parameters: 1200-115200 BPS configurable, factory default baud rate 9600 N 8 1
Collection frequency: 115200 baud rate 100HZ(100 times/second)
9600 baud rate fastest 20HZ (20 times/second)





Analog to 485 | 2/4/7/8 inputs optional | |
485 rpm analog | 2/4 outputs optional | |
DC power supply (default) | 5~30V (2 inputs 10~30V) | |
Maximum power consumption | 0.08W(DC12V) | |
Operating temperature | -40℃~+60℃(default) -10℃~50℃, ≤95%, no condensation (2 inputs) | |
AD conversion resolution | 12 bits (10 bits optional for 2 inputs) | |
Accuracy | Typical accuracy: ±0.1%FS | |
Collect analog signals | Default 4~20mA/0-20mA/0~5V optional; 7/8 | |
Output analog signal | 4~20mA, 0-20mA, 0~5V optional | |
Communication Interface | Modbus-RTU | |
address range | 1-254 (default 1) | |
baud rate | Value range 0-7 0:2400bps 1:4800bps 2:9600bps 3:19200bps 5:57600bps 6:115200bps 7:1200bps | |
Verification method | Value range: 0-2 0: No parity (None) 1: Odd parity (ODD) | |
input resistance | 4-20mA | ≤200Ω |
0-5V/0-10V | ≥10KΩ | |
Sampling frequency | 160K | |
update frequency | 1S |
power | DC10~30V | |
Max power consumption | 0.08W(DC12V) | |
Operating temperature | -40℃~+60℃(default) -10℃~50℃, ≤95%, no condensation (2 inputs) | |
AD conversion resolution | 12 bits (10 bits optional for 2 inputs) | |
Accuracy | Typical accuracy: ±0.1%FS | |
Collect analog signals | Default 4~20mA/0-20mA/0~5V optional; 7/8 | |
Output analog signal | 4~20mA, 0-20mA, 0~5V optional | |
Communication Interface | Modbus-RTU | |
address range | 1-254 (default 1) | |
baud rate | Value range 0-7 0:2400bps 1:4800bps 2:9600bps 3:19200bps 5:57600bps 6:115200bps 7:1200bps | |
Verification method | Value range: 0-2 0: No parity (None) 1: Odd parity (ODD) | |
input resistance | 4-20mA | ≤200Ω |
0-5V/0-10V | ≥10KΩ | |
Sampling frequency | 160K | |
update frequency | 1S |

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This item is shipped directly from our supplier in China with tracking.