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HE693THM884

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SKU 2178118  UPC 0360515914767

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Other Available Revisions for the HE693THM884 HE693THM884AHE693THM884BHE693THM884CHE693THM884DHE693THM884EHE693THM884FHE693THM884GHE693THM884HHE693THM884IHE693THM884JHE693THM884KHE693THM884LHE693THM884MHE693THM884NHE693THM884OHE693THM884PHE693THM884QHE693THM884RHE693THM884SHE693THM884THE693THM884UHE693THM884VHE693THM884WHE693THM884XHE693THM884YHE693THM884Z

Common misspellings:
  • HE693THMb84
  • HE693THM8b4
  • HE693THM88A
  • HE693THM884

The HE693THM884 allows thermocouple temperature sensors to be connected to the PLC directly without the use of external signal processing such as transducers, transmitters, etc. All analog and digital processing of the thermocouple signal is performed on the module. This high-resolution module (0.1°C), can report values to the PLC I/O table in 0.5°C, 0.5°F, 0.1°C, or 0.1°F increments. The module has eight thermocouple channels assigned to 8 %AI input registers. There are 16 %I Alarm Bits, one open circuit alarm and one setpoint alarm for each channel. Alarm setpoints are set for each channel through 8 %AQ registers. Open circuit alarm bits for each channel correspond to the first eight successive%I bits, and the alarm setpoints for each channel correspond to the second eight successive %I bits.

Technical Specifications

Power Consumption 100mA @ 5VDC
Number of channels 8
Types Supported J, K
Input Range (Temp.) J: -210 to +760°C / K: -270 to +1372°C
Resolution 0.1°C
Accuracy Type J, Rated + / -1°C / -210 to +760°C
Accuracy Type K, Rated + / -1°C : -2°C / -100 to +1000°C : -200 to +1372°C
I/O Points Required 8%AI, 8%AQ, 16%I
Input Impedance >20Mohms
Maximum Sustained O/L +/- 35V
Common Mode Rejection >100dB
A/D Conversion Type 18-Bit Integrating
A/D Conversion Time 5 ms
Scan Rate 40 Channels per second
Operating Temperature 0 to 60°C (32 to 140°F)
Relative Humidity 5% to 95% non-condensing

Technical Information

Power Consumption 100mA @ 5VDC
Number of channels 8
Types Supported J, K
Input Range (Temp.) J: -210 to +760°C / K: -270 to +1372°C
Resolution 0.1°C
Accuracy Type J, Rated + / -1°C / -210 to +760°C
Accuracy Type K, Rated + / -1°C : -2°C / -100 to +1000°C : -200 to +1372°C
I/O Points Required 8%AI, 8%AQ, 16%I
Input Impedance >20Mohms
Maximum Sustained O/L +/- 35V
Common Mode Rejection >100dB
A/D Conversion Type 18-Bit Integrating
A/D Conversion Time 5 ms
Scan Rate 40 Channels per second
Operating Temperature 0 to 60°C (32 to 140°F)
Relative Humidity 5% to 95% non-condensing
  • Question: What is a HE693THM884? Answer: The HE693THM884 allows thermocouple temperature sensors to be connected to the PLC directly without the use of external signal processing such as transducers, transmitters, etc. All analog and digital processing of the thermocouple signal is performed on the module.
  • Question: What is the main power supply for the HE693THM884? Answer: The main power source for the HE693THM884 uses 100mA @ 5VDC which is connected to the PLC.
  • 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: If shielded wiring is used, a good earth ground connection is critical. Terminals 19and/or 20 may be used as the shield ground point.
  • Question: Can I change the number of channels or the voltage on this device? Answer: Yes, you can. This is an 8 channel unit.

PDFsupply Tech

The HE693THM884 is a Horner APG High Resolution Thermocouple Input Module that features eight thermocouple channels. The HE693THM884 has a scan rate of 40 channels per second, which is greater than the scan rate of HE693THM888 which is 16 channels per second.

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.