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  • Xiamen The Anaswers Trade Co,.LTD

  •  [Fujian,China]
  • Business Type:Trade Company , Agent , Manufacturer , Distributor/Wholesaler
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , West Europe , Worldwide
  • Exporter:41% - 50%
  • Certs:BRC, ACS
  • Description:SLM Controls Link Module,HONEYWELL IO 621-9939C,620 CPM SIOMs
Xiamen The Anaswers Trade Co,.LTD

Xiamen The Anaswers Trade Co,.LTD

SLM Controls Link Module,HONEYWELL IO 621-9939C,620 CPM SIOMs

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Home > Products > HONEYWELL Modules > Honeywell TDC 2000 PLC > 621-9939C Serial Link Module
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621-9939C Serial Link Module

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Unit Price: USD 1 / Piece/Pieces
Min.Order Unit Price
1 Piece/Pieces USD 1 / Piece/Pieces
Payment Type: Paypal
Terms of Trade: FOB
Min. Order: 1
Delivery Time: 1
Basic Info
Model No.:621-9939C
Additional Info
Packaging: carton packaging
Transportation: Ocean,Land,Air
Port: XIAMEN
Product Description

Honeywell TDC 2000 PLC 621-9939C Serial Link Module Serial Controls Interfaces,Enhanced Diagnostics Module,Four Position Dip Switch.The Serial Link Module (SLM) controls serial I/O data transfer to and from remote I/O. It is the intermediary between the 620 CPM and the SIOMs. The SLM collects input data from the SIOMs. The CPM reads this data during its input status scan. Then, according to its program instructions, the CPM issues output data to the SLM, which sends it to the SIOMs. The SLM has its own microprocessor and data table, and operates asynchronously from the 620 CPM.The serial I/O configuration allows the control system to operate over long distances, so that serial I/O racks can be mounted close to the machine or process rather than at the logic controller. Such remote I/O operation allows the system to be set up in either a star or a multidrop configuration. The key interface modules in a serial configuration are the Serial Link Module (SLM) (621-9939C) and the Serial I/O Module (SIOM) (621-9938RC or 621-994OC). Each SLM acts as a master to a maximum of two serial channels, transmitting PUSH data and other output data to each SIOM. In tum, the SIOMs communicate PULL data and other input data back to the SLM.In a serial configuration, one SIOM must reside in the rightmost slot of each serial I/O rack, and at least one SLM must reside in the processor rack.

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Looking for ideal Slm Controls Link Module Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the HONEYWELL IO 621-9939C are quality guaranteed. We are China Origin Factory of 620 CPM SIOMs. If you have any question, please feel free to contact us.

Product Categories : HONEYWELL Modules > Honeywell TDC 2000 PLC

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