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7017872.0609/2018 CH/EN
7.Technical Guidance
Accuracy: Real-time display: ± 0.2% F.S.
Adopt high-performance ARM Cortex-M3 32-bit RISC core
Input function
Processor
Flow channel:analog signal: 4-20mA, 0-10mA and other signals;
Temperature channel: 4-20mA, 0-10mA, Pt100 and other signals
Display
Screen: 128 * 64 dot matrix monochrome screen LCD
Frequency signal: PI (frequency range: 0-5000HZ, maximum frequency range can be
customized)
Pressure channel: 4-20mA, 0-10mA and other signals
Note: Other input signals (such as digital input (DI)) or index number (such as PT1000)
need to be indicated when ordering
Power distribution output: provide 12VDC and 24VDC power distribution at the same
time, 12VDC standard power distribution <60mA, 24VDC standard power distribution
each channel <30mA
Output function
Transmission output: support 4-20mA standard current transmission output of one
flow channel, load capacity ≤500Ω, which is convenient for the collection of display
instruments or DCS / PLC, and realizes long-distance signal transmission
Power supply
Relay alarm output:support up to 2 relay alarm outputs, contact capacity 1A @
250VAC / 1A @ 30VDC (maximum contact capacity can be customized), can configure
upper and upper limit, upper limit, lower limit, lower and lower limit alarm
Power supply: default 220VAC / 50HZ AC power supply, support 24VDC or 12VDC DC
power supply (DC power supply needs to be specified when ordering)
Newsletter printing
Communication interface: RS232C or RS485, support Modbus RTU protocol, baud rate -
--- (1200, 2400, 4800, 9600)
Clock protection: integrated hardware clock, can run accurately after power off
Protective function
Power-off protection: Built-in memory protection parameters, permanently saved after
power off
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