2~7 dagen

Seismic Switch with Metal casing


● Two Seismic Switch Setpoints (2mg to Full Scale) with Independent Digital Output
● Internal Tri-axial MEMS Accelerometers
● Industrial 16 Bit 80 MHz CPU
● Automatic Zero Offset
● STA/LTA Earthquake Detected Algorithm Support Real Time Tri-axial And Vector Acceleration Output
● Store Earthquake Time, Maximum Intensity, Vector, Tri-axial Acceleration And Instant Tri-axial Acceleration Of Earthquake
● Support Modbus RTU / TCP, NTP Time Calibration, Up to 3 Hosts Connections Via Modbus TCP


GST-43-M is a tri-axial MEMS seismic switch, inclusive of 2 digital outputs for facilities protection. It can display maximum intensity according to CWB earthquake intensity standard, maximum vector, tri-axial acceleration, instant tri-axial acceleration, etc.


GST-43-M Supports both Modbus RTU / TCP which easily connect with PC, PLC and HMI.

Meer informatie
Type Tri-axial MEMS
± 2 g (X Y Axes)
+ 1 g / -3 g (Z Axis)
Frequency Response 0 ~ 20Hz
500 g/0.5 ms
3000 g/0.1 ms
ADC Resolution 12-bit
Digital Resolution < 0.001g
Earthquake Gauge
Algorithm STA/LTA
STA Setting Range 0.1 ~ 100 second
LTA Setting Range 0.1 ~ 100 second
Offset Period 30 ~ 32767 min
Event Duration Time 1 ~ 200 s
Switch Setpoints
Digital Output Numbers 2
Setport Range 2 ~ 1960 mg
Contact Type Open Collector
Contact Capacity 0.6A DC
Hold-on Time
Same as Event
Duration Tim
CPU 80186 or compatible (16-bit and 80 MHz)
Flash 512 KB; Erase unit is one sector (64K bytes); 100,000 erase/write cycles
16 KB
Data retention: 40 years; 1,000,000 erase/write cycles
NVRAM 31 Bytes (battery backup, data valid up to 10 years)
RTC (Real Time Clock) RTC Provide seconds, minutes, hours, date of week/month; month and year, valid from 1980 to 2079
64-bit Hardware Serial Number Yes
Built-in Watchdog Timer Yes (0.8 second)
Communication Interface
COM1 RS-232 (TxD, RxD, CTS, RTS and GND); Non-isolated
COM2 RS-485 (D2+, D2-; self-tuner ASIC inside); Non-isolated
Ethernet Port
10/100Base-TX Ethernet Controller
(Auto-negotiating, Auto_MDIX, LED indicator)
COM Port Formats
Data Bit 8
Stop Bit 1
Parity None
Modbus Formats
Modbus TCP 3 Host Simultaneously
Modbus ID Default 101, settable
Modbus Function Function 3 and 16
Modbus Variables Address 100 ~ 158, 171 ~ 191 include Real Time Acceleration, Event Information, IP Address Setting, Server IP Address Setting, NTP IP Address Setting, etc
LED Indicators
5-Digit 7 Segment LED Display Yes
System LED Indicator Yes
Dimensions (w x h x d) 72 x 123 x 35mm
Operating Temperature -25 °C ~ +75 °C
Storage Temperature -40 °C ~ +80 °C
Humidity 5 ~ 90% RH, non-condensing
Protection Power reverse polarity protection
Frame Ground for ESD Protection Yes
Required Supply Voltage 10 ~ 30V DC (non-regulated)
Power Consumption 2.5W
Mijn vraag gaat over: ICPDAS GST-43-M
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