AMS 01

Product Description

AMS-01 Auto Manual Station / Manual Loader is designed for reliable manual and automatic control of 4–20 mA process signals in industrial applications. It operates as a signal source in manual mode and a signal sink in auto mode, ensuring flexible control operation. The unit features bumpless transfer between auto and manual modes via a front-mounted selector switch. Output adjustment is easily achieved using a front-panel potentiometer for precise signal setting. With a compact, panel-mounted design and LED display, the AMS-01 offers easy installation and clear indication. Its robust, powder-coated enclosure ensures stable performance and low maintenance in demanding environments.

Product Parameters

Configure the transmitter and electronics based on application, environment, and compliance requirements.

Performance Characteristics

Input	4 - 20 mA DC in Auto Mode only
Output	4 - 20 mA DC
Display	LED Display
Accuracy	± 0.25% of F. S.
Linearity	± 0.25%
Repeatability	± 0.25%
Power Supply	90-250 V AC, 50 Hz, 24 VDC
Power Consumption	< 6 W
Response Time	< 100 ms
Temperature Coefficient	± 0.01% per ⁰C
MOC Enclosure	Sheet steel, powder-coated
Bezel Size	1) 144 (H) x 72 (W) x 200 (D) in mm approx. for DIN STD. Enclosure
Bezel Size	2) 96 (H) x 96 (W) x 160 (D) in mm approx. for DIN STD. Enclosure
Mounting	Flush of the Panel
Ambient Conditions	Temperature: -20 to 70°C / Humidity: 5 to 95% non-condensing

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Applications

Electronet instruments are widely deployed across multiple industries and utilities for reliable monitoring and control of critical process parameters.

Industry	Key Applications (AMS 01)
Water & Wastewater Treatment	Manual override and bumpless transfer for chemical dosing pump stroke speeds, intake sluice gates, modulating filter inlet valves, and aeration air blower throttling.
Automation & Manufacturing	Panel-mount manual signal backup and PLC/DCS override for variable speed drives (VFDs), proportional hydraulic control valves, and motorized actuators during commissioning or loop faults.
Oil & Gas / Petrochemical	Manual setpoint loading and backup loop operation for fuel gas control valves, flare line pressure bleed valves, pump recirculation loops, and compressor bypass dampers.
Nuclear Power & Power Generation	Manual override console for boiler feedwater regulating valves, deaerator level control valves, turbine bypass lines, and forced draft (FD) / induced draft (ID) fan damper positioning.
Textile Industry	Manual loop regulation and backup speed control for stenter machine heating valves, fabric continuous washing lines, and dye vessel steam heating actuators.
Pulp & Paper Industry	Bumpless auto/manual control for stock consistency dilution valves, headbox pressure valves, steam cylinder drying pressure controls, and chemical recovery line actuators.
OEM Equipment Manufacturers	Integration into boiler control panels, furnace combustion skids, packaged pump skid panels, and compressor packages for local operator manual trimming and safety override.
Sugar & Distillery Industry	Manual station backup for evaporator steam admission valves, mill maceration water regulating valves, vacuum pan boiling controls, and distillation column reflux valves.