DAC-3HEx
Explosion Proof Strong Motion Seismic Monitoring
Software Specification
Calculated parameters
:
PGA, PGV, Iax, CAV, CAV5, Sa, Sv, Sd, SI
Calculated for all 3 axis (x,y,z).
Filter
:
12 Hz. Low Pas Filter.
Trigger levels
:
Can be set for all calculated parameter.
Relay outputs
:
First relay is configured by the user as a combination of trigger levels for all calculated parameters other 4 relays are set for fault conditions.
Earthquake
:
When earthquake is detected first relay becomes active and starting from 20 seconds before the trigger level up to 180 seconds after all acceleration values and calculated parameters are saved internal memory.
     
Hardware Specifications
Accelerometer
:
3 Axis
Power Supply
:
12 VDC
Working temperature
:
-20 +80
Microcontroller
:
32 Bit Embedded ARM
Outputs
:
5 Relays
2 Analog (4-20 mA)
Communication
:
RS232
Case
:
Ex-proof EEx IIb T5 – IP66 (optional IP67)
Connectors
:
Ex-proof 10mm cable gland with 5m cable
     
Technical Specifications
Accelerometer
:
a-) Capacitive Micromachined Sensor
b-) 5µg/√Hz. noise
c-) ±2g Full calibration
d-) ±4 V Differential output
e-) Resolution over 200 Hz. bandwidth
f-) Self test input
Working frequency
:
200 Hz. (5mS)
Memory
:
512 Mb (80 hours continuous)
Outputs
:
5 Software configurable relay outputs.
RS232 Port
:
115200/8/N/1 used for parameter setting ad monitoring online acceleration values
Case
:
Explosion proof housing with ATEX-073 certificate.
     
     
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Mimar Sinan Mh. Yedpa Ticaret Merkezi
G Caddesi No:223 34779 Atasehir
Istanbul - Turkey
Tel: +90 216 573 3880 - Fax: +90 216 573 3770

info@areldeprem.com.tr