1. Product Function: Pwm Mode, Pulse Mode, Signal Source Mode, Sine Wave Mode 2.The Modbus Version Has This Socket On The Back, With A 2p Red Black Line 3. Signal Load Capacity: The Maximum Output Current Is 30ma (Note: This Product Is The Output Signal Source And Cannot Directly Drive High-Power Loads) 4. Pwm Mode: Voltage, Frequency, And Duty Cycle Are All Adjustable, With An Accuracy Of Up To 0.1%; Voltage Range: 1-24V, Frequency Range: 1-150KHZ, Duty Cycle Range: 0-100% 5. PWM Pulse Adjustable Module Sine Wave 4-20mA 2-10v Signal Generator RS485 Modbus Power Supply Voltage: 7-12V Product Function: Pwm Mode, Pulse Mode, Signal Source Mode, Sine Wave Mode Pwm Mode: Voltage, Frequency, And Duty Cycle Are All Adjustable, With An Accuracy Of Up To 0.1%; Voltage Range: 1-24V, Frequency Range: 1-150KHZ, Duty Cycle Range: 0-100% Pulse Mode: Start Delay Time T0:0-60s, High Level Time T1:0-60s, Low Level Time T2:0-60s, Pulse Number Pulsenun:1-60000, Precision 0.001s Signal Source Mode: Voltage Source 2-10v Adjustable, Current Source 4-20ma Adjustable Sine Wave Mode: 1-1000HZ Adjustable Signal Load Capacity: The Maximum Output Current Is 30ma (Note: This Product Is The Output Signal Source And Cannot Directly Drive High-Power Loads) Ambient Temperature: -10-70 Module Size: 79mm x 43mm x 410mm (Length*Width*Height) Hole Size: 76mm x 39mm (Length*Width) type:B:Modbus Version Signal Generator Module+2P Red And Black Lines Colour:black-grey Material:plastic Package Contents: 1 x Modbus Version Signal Generator Module 1 x 2P Red And Black Lines Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.