# Write in array of PLC OPC UA from node red

**URL:** <https://discourse.nodered.org/t/write-in-array-of-plc-opc-ua-from-node-red/48518>\
**Category:** Industrial\
**Created:** [17 July 2021 10:43 UTC](https://discourse.nodered.org/t/write-in-array-of-plc-opc-ua-from-node-red/48518 "2021-07-17T10:43:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DipikaSamanta](https://avatars.discourse-cdn.com/v4/letter/d/f4b2a3/32.png) [@DipikaSamanta](https://discourse.nodered.org/u/DipikaSamanta)\
**Post date:** [17 July 2021 10:43 UTC](https://discourse.nodered.org/t/write-in-array-of-plc-opc-ua-from-node-red/48518/1 "2021-07-17T10:43:43Z")

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Hello,  
Can anyone please help me to write data in array in PLC with has OPC UA protocol.  
I want my arrays to be filled one by one when the data is passed.  
Example: If temp=100 then this data should be wrote in plc array data[0], then when temp= 98 then this data should be wrote in plc array data[1] and so on.  
Someone kindly guide me in this.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [15 September 2021 10:43 UTC](https://discourse.nodered.org/t/write-in-array-of-plc-opc-ua-from-node-red/48518/2 "2021-09-15T10:43:43Z")

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