TopDry Terminal Autoflow PLC

Released 7/5/23

Includes previous updates plus: Fan/Heaters individually selectable, Customer Data Access routine added, Plenum Temp logged in Dump history, acknowledge "Stop" command from HMI, freeze warning, return to grain sensor offsets, F/C switching, Grain Temp setpoint visible only in Time & Temp mode (main page), fan aux contact failed to close lengthened to 4s to prevent nuisance alarms, allow manual dumping of grain during high plenum alarm ONLY after acknowledgement.

Minor update to extend the allowable time for the air switches to close before triggering the Airflow Not Detected alarm.

Minor PLC update to accommodate the new Series C controller that was not compatible with v24 firmware.

NOTES:

1. Engineering released 1/31/22, put into production on 7/22/22
2. Must be used with HMI version TopDry16_P7S_R3_0 or TopDry16_R3_0_C or newer.

Released 3/9/23

Released 1/4/18

Modified logic to extend dump history log. Also will allow a short dump cycle time that doesn't fully open the chutes. This is to eliminate double logging the dump with very short dump times. Program versions are now listed on "Info" page. Must be used with HMI file TopDry16_R2_0_C.mer, TopDry16_P7S_R2_0.mer, or newer.

Released 9/21/17

• Modified logic to eliminate "Air Pressure Switch Stuck Closed" alarms during the dump cycle on units with Quiet fans or large fans.
• Fixed typo affecting ability to send Watchdog messages out.
• Now logs Grain temp instead of Plenum temp on history page.