1.1 KiB
1.1 KiB
| task | version | source | status |
|---|---|---|---|
| Block / unblock an item and write to a blocked item | R1.03 | IM 36K10G10-01EN §3.3, §3.4; practiced with CI-Eng-Sample 2026-09-30 | verified |
Block / unblock an item
A blocked item is not updated (e.g. during device maintenance). Blocking can be done per item, sub-item or section; sub-items of a blocked item keep working. Changes live behaviour: follow the user's chosen way of working.
Block (BLOCKED 1) or unblock (BLOCKED 0) with an update file and dssqld -m:
@FIELDS
NAME,BLOCKED
@ITEM_DF
"<Section>.<Tag>",1
dssqld -m block.qli -l block.qlo
(Engineering Module: right-click the item or section › Block/Unblock.)
Behaviour (verified on CI-Eng-Sample.TANK1.INFLOW)
- Blocked: option flag
blkappears initmval -g; the status number is unchanged (stayed 9). itmval -p -n <item> -v <value>on a blocked item is silently ignored (no error, value unchanged;knowledge/issues.mdISS-011). Add-oto overwrite:itmval -p -n <item> -v <value> -o.- After unblocking,
blkis replaced byublk(meaning not yet confirmed, see ISS-001).