Seizmic Switch
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GST-43-M Seizmic Switch
- 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.
Specification:
| Accelerometer | |
| Type | Tri-axial MEMS |
| Range | ± 2 g (X Y Axes) |
| + 1 g / -3 g (Z Axis) | |
| Frequency Response | 0 ~ 20 Hz |
| Shock | 500 g / 0.5 ms |
| 3000 g / 0.1 ms | |
| Digitizer | |
| ADC Resolution | 12 Bit |
| Digital Resolution | < 0.001g |
| Earthquake Gauge | |
| Algorithm | STA/LTA |
| STA Setting Range | 0.1 ~ 100 sec. |
| LTA Setting Range | 0.1 ~ 200 sec. |
| Offset Period | 30 ~ 32767 min. |
| Event Duration Time | 1 ~ 200 sec. |
| Switch Setpoints | |
| Digital Output Numbers | 2 |
| Setport Range | 2 ~ 1960 Gal (0.01 m/s2) |
| Contact Type | Normal Open (Photo MOS Relay) |
| Contact Capacity | 0.6 A DC |
| Hold-On Time | Same as Event |
| Duration Time | |
| CPU | |
| CPU | 80186 (16-bit and 80 MHz) or compatible |
| SRAM | 512 KB |
| Flash | 512 KB |
| EEPROM | 16 KB |
| NVRAM | 31 Bytes (battery backup) |
| 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 sec.) |
| 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 | 10/100 Base-TX Ethernet Controller (Auto-negotiating, Auto_MDIX, LED indicator) |
| COM Port Formats | |
| Data Bit | 8 |
| Stop Bit | 1 |
| 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 Display | |
| 5-Digit 7 Segment LED Display | Yes |
| System LED Indicator | Yes |
| Dimensions | |
| W x H x D | 102 mm x 123 mm x 28 mm |
| Weight | 281 g (Without Power and Cable) |
| Operating Environment | |
| Operating Temperature | -25°C ~ +75°C |
| Storage Temperature | -40°C ~ +80°C |
| Relative Humidity | 5 ~ 90% RH, non-condensing |
| Power | |
| Protection | Power reverse polarity protection |
| Required Supply Voltage | +10 ~ +30 VDC (non-regulated) |
| Power Consumption | 3.5 W for GST-43-M |
GST-43-M.Datasheet.pdf (321kB)
