Display mode

LCD screen: 128 * 64 dot matrix white screen LCD display/128 * 64 dot matrix color screen LCD display.

Product accuracy: Real time display: ± 0.2% F.S., recall accuracy: ± 0.2% F.S. (thermocouple should remove cold junction error).

processor

The small paperless recorder adopts high-performance ARM Cortex-M3 32-bit RISC core, which is a leading technology in China.

input parameter

Input specifications: Supports * up to 4 channels * analog input (input type can be freely set through configuration).

Voltage input (DC): 0-5V, 1-5V, 0-20mV, 0-100mV.

Current input (DC): 0-10mA, 4-20mA, 0-20mA.

Resistance input: Res (0~400 Ω).

Thermistors: PT100, Cu50, G53, Cu100, BA1, BA2.

Thermocouples: S, B, K, T, R, E, N, J.

Radiation pyrometer: F1, F2.

Tungsten rhenium: WRe3-25, WRe5-26.

Attention: Other input signals (such as 0-10V) or division marks (such as PT1000) can be specified when ordering, and our factory provides customized solutions.

Error accuracy: Cold end compensation error of thermocouple: ± 2 ℃.

Clock error: ± 2 seconds/day.

output function

Distribution output: Supports centralized distribution of+24VDC for one channel to the transmitter, with high distribution current<60mA

Transmission output: Supports multiple channels of 4-20mA standard current transmission output, with a load capacity of 500 Ω (* large), facilitating the acquisition of display instruments or DCS/PLC, and achieving long-distance signal transmission.

Relay alarm output: * Supports up to 4 relay alarm outputs, [email protected][email protected]， Configurable upper limit, upper limit, lower limit, and lower limit alarms.

communication

Communication interface: Two communication interfaces, RS232 and RS485, are provided for users to choose from, supporting Modbus RTU protocol and baud rates (1200, 4800, 9600, 19200, 38400, 57600).

Printing interface: RS232C directly connects to a micro printer with a baud rate of 1200.

power supply

The small paperless recorder is powered by AC220V, 50Hz AC power supply; Customizable support for 24VDC (18VDC-36VDC) DC power supply; Or support 12VDC (9VDC-18VDC) DC power supply.

Attention: DC power supply needs to be specified with the manufacturer of Shaoxing Zhongyi paperless recorder when ordering.

work environment

Environmental temperature: 0-50 ℃ (avoid direct sunlight)

Environmental humidity: 0-85% R.H (no condensation, prohibited from working in flammable and corrosive environments)

Altitude:<2000 meters.

Net weight of the instrument

Net weight: ≤ 1.0Kg.

Function selection

Common models:

Single color small paperless recorder: ZYW204RE, 4 * inputs, 2 alarm outputs, AC220V power supply, USB data backup interface.

Color screen small paperless recorder: ZYW204RG, 4-channel * input, two-way alarm output, AC220V power supply, USB data backup interface.

Small paperless recorder optional features:

Input 1-4 channels, relay alarm 1-4 channels, RS232/RS485 communication, two analog outputs, one 24VDC feed output, etc.