Is there a way to put all of the sample streams into standby mode via digital inputs on the 5500sc analyzer? What about Modbus?

Document ID

Document ID TE1905

Published Date

Published Date 12/18/2019
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Question
Is there a way to put all of the sample streams into standby mode via digital inputs on the 5500sc analyzer? What about Modbus?
Summary
5500sc analyzer and multiple sample streams
Answer
Yes, the analyzer can be placed into standby mode by idling all sample channels via the digital inputs. For example, if you have a four channel analyzer, closing a set of relay contacts on digital inputs 1-4 will place the analyzer into shutdown mode. Normal analysis will resume if any of these sets of contacts are opened for that input's respective sample channel. Please note that this will not work on analyzers with software versions lower than v1.09. If you wish to utilize this function, please update the analyzer to the latest software version.

It is also possible to use a reserved Modbus register (#49937) called Program Sequence Code register (not listed in the manual) which will allow the user to remotely start/stop the analyzer through the module. Write 40007 (Decimal) to this register to put the analyzer in standby mode and 40008 (Decimal) to restart it.

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