"ER" Expansion Module with Integrated Data Recording

 
Bringing flexibility and expandability to Data Logging Systems...
 
 
 

The "ER" Module integrates full "E" Module functionality with the recording or data logging capability of the "R" Module.

This module provides 0.5 Mbytes of solid-state memory and records up to 20 channels at 50Hz sampling frequency per channel.

This module can record data from other Expansion or Display Modules. It can also be used as a Stand-alone Recording System.

The "ER" Module can monitor up to 8 universal inputs, each of which can be configured individually to accept any standard sensor or sensor interface from the Stack range. Alternatively each input can directly measure 0-5 volts, 0-333 Ohms, or a pulse frequency up to 40kHz. Each input can be sampled at up to 50Hz,

When used with Stack's range of 'digital' sensors and sensor interfaces, any sensor input can be configured to enable fast-changing parameters to be recorded slowly, by measuring the average parameter value throughout the sampling period, e.g. suspension movement with a maximum frequency response of 1kHz could be recorded at 10Hz for pitch and roll measurement, to extend the recording time and reduce the memory usage.

 
 
Specifications

Input Type
(8 Total Available)

Min. Sample
Freq.

Max. Sample
Freq.

Resolution

Max. Input
Voltage

Input
Impedance

Excitation
Current

Other Technical Data

0-5 Volts
0-25 Volts
0-333 Ohms

1Hz
1Hz
1Hz

50Hz
50Hz
50Hz

10 bit
10 bit
10 bit

20V
50V
20V

>1MΩ
10kΩ
n/a

n/a
n/a
15mA

Direct Connection
Direct Connection
Direct Connection

Stack DSP signal
10mV
50mV
100mV
500mV
1V
5V
20V
Differential Interface
K Type Thermocouple
Interfaces

1Hz

50Hz

9 - 15 bit

n/a

n/a

n/a

Resolution dependent on sampling frequency
<5Hz = 15bit......200Hz = 9bit

0-40Khz Pulse

1Hz

50Hz

16 bit

20V

n/a

15mA

Min. Pulse width 5s.
Threshold 10mA 0.5mA (e.g. open collector)

 

Sensor Excitation Provided by Module

V batt - 200mA max. total load

Regulated 5 Volt - 200mA max. total load


ER Module Recorder Specification

Total Recorded Channels:

up to 20

Memory Capacity :

0.5 Mbytes

Data Capacity :

1000 samples per second

Data Format :

16 bit resolution time-level data points with Real-time date stamp

Memory Retention:

Fixed, Data will be retained for >5 years

Max. number of Runs:

up to 100

Recording Trigger:

Manual, Threshold Level, Multiple conditions, Remote IR, etc.

Other Capabilities:

Real-time markers - manual and positional triggered. (10mS Resolution)

Recording Capabilities:

1-50Hz Individually set for each channel

Recording Strategies:

Record Start-Stop, 0-46hr length.


Environmental Spec.

Technical Notes

Vibration:

20g, 50-2000Hz, 12hr on each of 3 axis.

Operating Temperature:

-40C (-40F) to +85C (+185F)

Humidity:

0-100%

Sealing:

IP67

Power:

8Volts to 16Volts DC at 250mA operational. +/-80Volts protected.

 
 
 
Frequently Asked Questions
Further information can be found in our Troubleshooting Knowledgebase and FAQ sections.

Your Stack dealer will be happy to assist you further.

 
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