









· Product Introduction
SPV Analog Output Module is precision-engineered based on a new-generation embedded system. It features an isolated communication interface that supports direct connections with PCs, PLCs, touchscreen panels, and other terminal devices. Equipped with a transient suppression circuit, it effectively mitigates various surge pulses, ensuring robust performance even in harsh operating environments.
SPV1020-NB Series Analog Output Module delivers 2 channels of analog output signals and is equipped with an RS485 communication interface. The module incorporates an advanced DAC converter, providing 16-bit output resolution with accuracy better than 0.1%. It features triple isolation between power supply, input, and output circuits. Designed to output analog signals compatible with field equipment, it meets the demands of applications requiring high signal integrity, including industrial sites, medical electronics, security monitoring, smart buildings, smart homes, power monitoring, and process control.
This product requires an independent power supply and adopts a DIN 35mm standard rail mounting method, enabling simple on-site installation and flexible use for various field applications.
· Basic Parameters
Power Supply DC12~36V(DC24V recommended)
Power Consumption <1.5W
Temperature Drift ≤200ppm/℃
ESD Protection ±15KV
Isolation Voltage 3000VDC
Power Protection Reverse connection voltage< -40V
Dielectric Strength 1500 VAC / 1 minute
(Power, Input, Output)
Insulation Resistance ≥100MΩ (Power, Input, Output)
EMC Compatibility Complies with GB/T18268.1 (IEC61326-1)
Applicable Field Devices Devices supporting MODBUS-RTU protocol: Configuration software, PLC, HMI, PC, etc.
· Output Terminal
Number of Channels 2 channels
Output Signal 0-5V、0-10V、4-20mA、0-20mA
Load Capacity Voltage Output: RL ≥ 2 kΩ
Current Output: RL ≤ 500 Ω
Output Resolution 16-bit DAC
Output Accuracy ±0.1%F.S(+25℃)
Response Time ≤1mS
Output Linearity 0.05% of F.S.
Output Protection Over-Current or Over-Voltage Protection
· Input Terminal
Input Signal RS-485 communication signal
Communication Protocol Standard MODBUS-RTU protocol
Communication Distance 1200m (typical)
· Environmental Conditions
Operating Temperature -40℃~+80℃
Storage Temperature -40℃~+85℃
Relative Humidity 10%~90%RH (non-condensing)
Atmospheric Pressure 80kPa~106kPa