Technical indicators
Screen: 7-inch true-color TFT LCD (800*480 dot matrix)
Accuracy: real time display: ±0.2% F.S.
Recall accuracy: ±0.2% F.S.
(note: thermocouple should remove cold end error)
Processor
High performance arm Cortex-M3 32 bit RISC core can be used to collect, record, display and alarm multiple signals at the same time.
Memory module
Large capacity parallel NAND FLASH flash chips are used to store historical data, and serial FRAM storage chips are used to store key parameters such as configuration parameters.
Input function
Input specification: fully isolated universal input, maximum support 16 analog input
Voltage input: 0-5V, 1-5V, 0-20mV, 0-100mV
Current input: 0-10mA,4-20mA,0-20mA
Resistor input: Res (0 ~ 400 Ω )
Thermal resistance: PT100, Cu50, G53, Cu100, BA1, BA2 (three-wire resistance balance, lead resistance < 10 Ω )
Thermocouple:S,B,K,T,R,E,N,J
Radiation pyrometer:F1,F2
Tungsten rhenium: WRe3-25,WRe5-26
*Other input signals (such as switch input (DI), pulse input (Pi) or indexing (e.g. PT1000) need to be indicated when ordering
output function
Distribution output: up to 3 sets of transmitters are supported for isolated distribution 24VDC, each group of distribution≤60mA, support other specifications of isolated distribution (e.g. 12VDC,5VDC distribution output)
Transmission output: support up to 4 channels standard current output, load capacity 750 Ω (maximum), convenient display instrument or DCS / PLC acquisition, achieve long distance signal transmission
Relay alarm output: up to 6 relay alarm output, contact capacity 1A@250VAC / 1A@30VDC (maximum contact capacity customizable), can be configured upper limit, lower limit alarm.
Communication printing
Communication interface: providing RS232C and RS485 communication interfaces for users to choose from, supporting the use of RS232C and RS485 at the same time, supporting the use of RS232C and RS232C at the same time, supporting Modbus RTU protocol, baud rates----(1200,4800,9600,19200,38400,57600)
Print interface: RS232C direct connection to micro printer, baud rate 1200
Recording function
Recording capacity: 64/128/192/248MB (flash capacity optional);
Recording interval: 1 to 240 seconds, divided into 11 files: 1,2,4,8,12,24,36,60,120,180,240 seconds.
Recording time: the length of recording time is related to flash memory capacity, input points, and recording intervals. The formula is as follows (the unit in which the value is substituted is consistent with the formula):
Record days=Number of channels∗16∗24∗3600FLASH volume(MB)∗1024∗1024∗interrecord gap(second)(Day)
Data transfer
Data backup and storage: support USB 1.1 USB 2.0 USB disk, support 1G to 32GB U disk for data transfer, strong compatibility, compatible with most of the U disk on the market (industrial version recommended)
Power Supply Voltage
Power supply: 100~240VAC (rated 220VAC), 50 / 60HZ AC power supply, 24VDC (18VDC-36VDC) DC power supply, 12VDC (9VDC-18VDC) DC power supply (DC power supply to be indicated when ordering)
defensive function
Power off protection: built-in memory protection parameters and historical data, permanent storage after power off
Clock protection: integrated hardware clock, can also run accurately after power down
Error precision
Compensation error at cold end of thermocouple: ±2 ℃
Clock error: ±2 seconds / day
Working environment [prohibited from working in flammable, corrosive]
Working temperature: 0℃~50℃ (avoid direct sunlight)
Relative humidity: 0~85%R.H (without condensation)
Altitude: < 2000m (other than special specifications)
Transport and storage environment
Transport and storage temperature: -20℃~60℃ (avoid direct sunlight)
Transport and storage humidity: 5~95%R.H (no condensation)
Instrument net weight
Net weight: ≤ 1.5 kg
