5/18/2024 8:03 PM | |
Joined: 5/24/2016 Last visit: 10/10/2024 Posts: 356 Rating: (52)
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Hello. You need the NC variables and interface signals manual. SINUMERIK 840D sl NC variables and interface signals So DB21 is a standard datablock corresponding to the active channel. If you go to page 1330 you will see at the bottom what the different bits in byte 35 actually represent. So example bit 0 = Program status is Running in channel 1 when the bit i TRUE. We would in the PLC program use the Adresse DB21.DBX35.0 DB21 = Is channel 1 DBX = We check as specific bit in this case, Byte 35 bit 0 Some machines will have multiple channels, and therefor it is stated that there are from DB21 to DB30, this is a bit confusing when not used to reading the manual, but in general most machines only have 1 channel, and therefor you only need to consider DB21 Now when you read the manaul, you will see there Is alot of data available, so search in PDF really can be ones friend in here Best Regards Riddersholm Attachment840Dsl_ncvar_plc_sig_lists_man_1218_en-US.pdf (234 Downloads) |
Last edited by: Jen_Moderator at: 05/21/2024 09:29:23Link optimized and PDF added from link. |
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6/3/2024 9:37 AM | |
Joined: 5/18/2024 Last visit: 8/12/2024 Posts: 3 Rating: (0) |
As I was on holiday, I just wanted to respond back to you and say Thank you! ~Bryan |
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