Opto 22

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KB86311
PAC Control needs to better identify point types on the SNAP-AIRTD-8U
Revision:  2.0
Published:  1/10/2017
Applies To
PAC Control Basic
PAC Control Professional
SNAP-PAC-S1
SNAP-PAC-S1-FM
SNAP-PAC-S1-W
SNAP-PAC-S2
SNAP-PAC-S2-W
SNAP-PAC-R1
SNAP-PAC-R1-FM
SNAP-PAC-R1-W
SNAP-PAC-R1-B
SNAP-PAC-R2
SNAP-PAC-R2-FM
SNAP-PAC-R2-W
SOFTPAC
Versions
Versions affected:  
PAC Control R9.5a and higher.
PAC firmware R9.5a and higher.
Problem is fixed in version:  
R9.6a

SYMPTOMS

Based on input from PAC Control, the control engine may incorrectly identify the following points on a SNAP-AIRTD-8U module as output points:

      Point Type                  Range

  • 1k Ohm at 70 °F Ni      -46 to +148.9 °C
  • Auto-range Down           0 - 4000 Ohms
  • Auto-range Down           0 - 2000 Ohms
  • Auto-range Down           0 - 1000 Ohms
  • Auto-range Down           0 - 800 Ohms
  • Auto-range Down           0 - 200 Ohms
  • Fixed-range               0 - 200 Ohms
  • Fixed-range               0 - 100 Ohms
  • Fixed-range               0 - 80 Ohms
  • Fixed-range               0 - 40 Ohms
  • Fixed-range               0 - 20 Ohms
  • Fixed-range               0 - 10 Ohms
If you're affected by this issue, you may see these symptoms:
  • In the SNAP PAC REST API, the affected points will be displayed on the /device/strategy/ios/analogOutputs page instead of on the /device/strategy/ios/analogInputs page.
  • In PAC Control R9.5a (or higher), if you've used the new "Send Values" feature for filter, offset, or gain in the Add Analog Point dialog box, the system will ignore these values for the affected points.

RESOLUTION

Opto 22 has resolved this issue.

NOTE

To resolve this issue, you'll need to install firmware and software updates. Details will be provided when the fix is released.

Relevant Downloads
No relevant downloads have been specified.
Questions? Contact Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com

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This Opto 22 Knowledge Base ('OptoKB') article is intended to provide general technical information on a particular subject or subjects and is not an exhaustive treatment of such subjects. Accordingly, the information in this OptoKB article is not intended to constitute application, design, software, or other professional engineering advice or services. Opto 22 may modify the OptoKB articles at any time. Before making any decision or taking any action which might affect your equipment, you should consult a qualified professional.

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