Istec SpeedSys 300 + T30 - 19" rack insert Rack

DATASHEET SPEEDSYS OVERSPEED DETECTION SYSTEM (ODS)
SAFETY SYSTEM BY DESIGN
Certified SIL 2/3 capability

Modbus RS485 (SpeedSys 300 only)

Fast 8 ms hardware response time (relays)

Suitable for all common sensor types

2x 2oo3 safety voting (TMR)

Advanced self-monitoring and diagnostics

6x relays (2 per channel)

10 years proof test interval (typical)

Binary in- and output (SpeedSys 300 only)
Figure 1: rear side of the SpeedSys ODS system.
INPUT Input channels Sensor input
Separate sensor inputs for different sensor types Note: Only one sensor type input can be used per module.
Frequency range
0.025 Hz to 35 kHz
Measurement accuracy
0.05 %
(1) Hall effect sensor Input type
3-wire voltage input
Sensor power supply
21.0 V (@ 0 mA) to 15.5 V (@ 15 mA)
Input range
0 V to 24 V
Trigger level (programmable)
0 V to 24 V
Impedance
500 kΩ
Sensor monitoring
Open circuit detection, sensor power supply short circuit detection
Note
Hall effect sensors are typically suitable for cable lengths up to 300 m.
(2) Electromagnetic sensor (MPU) Input type
2-wire voltage input
Sensor power supply
n/a
Input range
20 mVRMS to 80 VRMS
Trigger level (programmable)
0 V to 5 V
Impedance
100 kΩ
Sensor monitoring
Open circuit detection
Note
Electromagnetic sensors, depending on electromagnetic environment, sensor and application design, can have a maximum cable length ranging
from 30 to 500 m.
DATASHEET SPEEDSYS ODS (OVERSPEED DETECTION SYSTEM)
VERSION 1.3 --- June 2025
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