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HE693STG884

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SKU 2174040  UPC 0307547493013

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The HE693STG884 connects to a PLC to allow bridged strain gages to connect directly to the module without external signal processing (transducers, transmitters, etc). All analog and digital processing of the signal is performed on the module, and precision millivolt values are written to the series 90-30 %AI input table with 16-bit resolution. The input range of this module is +/-25mV, +/-50mV or +/-100mV which is configurable through Logicmaster on a channel-by-channel basis. This provides a resolution of approximately 0.8uV, 1.6uV, or 3.2uV, respectively. Also, individual channels can be turned off, so that unused channels do not increase module response time. Another ability of this module is to monitor the load cell excitation voltage and compensate for variations in this signal. 

Technical Specifications


Power Consumption Inrush: 160mA @ 5VDC 80mA @ 24V Relay Steady State: 30mA @ 5VDC 25mA @ 24V Relay
Number of Channels 8
I/O Required 8-%AI, 16-%I,8-%AQ,16%Q
Strain Gages Supported Bridged (Load Cells)
Input Range +/- 25mV, +/- 50mV, +/- 100mV
Resolution .8uV, 1.6uV, 3.2uV, respectfully
Excitation Monitoring 10 VDC
Input Impedence >1000 Mohms
Accuracy .03%
Max Normal Voltage Input 100mV/td>
Maximum Safe Voltage +/- 35VDC or AC
A/D Conversion Type Integrating
A/D Conversion Time 35 channels per second
Operating Temperature 0 to 60°C (32 to 140°F)
Relative Humidity 5% to 95% non-condensing

 

Technical Information

Power Consumption Inrush: 160mA @ 5VDC 80mA @ 24V Relay Steady State: 30mA @ 5VDC 25mA @ 24V Relay
Number of Channels 8
I/O Required 8-%AI, 16-%I,8-%AQ,16%Q
Strain Gages Supported Bridged (Load Cells)
Input Range +/- 25mV, +/- 50mV, +/- 100mV
Resolution .8uV, 1.6uV, 3.2uV, respectfully
Excitation Monitoring 10 VDC
Input Impedence >1000 Mohms
Accuracy .03%
Max Normal Voltage Input 100mV/td>
Maximum Safe Voltage +/- 35VDC or AC
A/D Conversion Type Integrating
A/D Conversion Time 35 channels per second
Operating Temperature 0 to 60°C (32 to 140°F)
Relative Humidity 5% to 95% non-condensing

 

  • Question: What is a HE693STG884? Answer: The HE693STG884 connects to a PLC to allow bridged strain gages to connect directly to the module without external signal processing (transducers, transmitters, etc). All analog and digital processing of the signal is performed on the module, and precision millivolt values are written to the series 90-30 %AI input table with 16-bit resolution.
  • Question: What is the main power supply for the HE693STG884? Answer:  The HE693STG884 uses 150mA@5VDC / 80mA @ 24V relay for inrush and 60 mA@5VDC / 30mA @ 24V relay for steady state.
  • Question: How can I minimize capacitive loading and noise? Answer: Shielded, twisted-pair extension wiring offers the best noise immunity. 
  • Question: Where should the shields be connected to? Answer: Wiring needs to be routed in its own conduit. If shields are connected at the module end, terminals 19 & 20 may be used as the shield ground.
  • Question: Can I change the number of channels or the voltage on this device? Answer: Yes, you can. Individual channels can be turned off so that unused channels do not increase module response time.
  • Question: What is a good way to test the HE693STG884? Answer: A good method of testing the HE693STG884 is to probe each channel with a strain gage and look for consistency and stability.
  • Question: How to tell if your HE693STG884 is faulty. Answer: Reference the response to each channel. 

 

PDFsupply Tech

The HE693STG884 is an input module that allows individual channels to be turned off. It also monitors the load cell excitation voltage and compensate for variations in the signal.


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