Publication ERSC-1521 Rev 1.0 – February 2019
Connecting to Rockwell PLCs
ZPA AOI TAG DESCRIPTIONS
The following chart lists each tag made available in the Ai2_ZPA_419_5xx AOI along with the register reference from
the ConveyLinx-Ai2 PLC Developer’s Guide version 1.0.
Tag Name
Developers
Guide Register
Bit Description
Accumulated Arrival Downstream
Accumulated Arrival Upstream
I_ConveyStopByLostConnection
ConveyStop Activated Because Of Lost Connection
ConveyStop Activated Because Of PLC Command
I_ConveyStopByPLCDisconnect BOOL 4:0020 10
ConveyStop Activated Because Of Lost PLC
Connection
I_ConveyStopByRemoteModule BOOL 4:0020 5
ConveyStop Activated By Another Module in
ConveyStop Group
I_Get_Tracking_FWD DINT
4:0201 (MSW)
4:0202 (LSW)
-
Get Forward Tracking Value at Induct to Local
Upstream Zone
I_Get_Tracking_REV DINT
4:0121 (MSW)
4:0122 (LSW)
-
Get Reverse Tracking Value at Induct to Local
Downstream Zone
Module Heartbeat, 2s On / 2s Off
Sensor Jam Local Downstream Zone
Sensor Jam Local Upstream Zone
Local Outputs are Enabled
Left Sensor Port Pin 2 Energized (if used as input )
Left Sensor Port Pin 4 Energized
Right Sensor Port Pin 2 Energized (if used as input )
Right Sensor Port Pin 4 Energized
I_Tracking_DnZn DINT
4:0199 (MSW)
4:0200 (LSW)
- For Load Accumulated in Downstream Zone
I_Tracking_UpZn DINT
4:0119 (MSW)
4:0120 (LSW)
- For Load Accumulated in Upstream Zone
Local Downstream Status Forward Direction
Local Downstream Status Reverse Direction
Local Upstream Status Forward Direction
Local Upstream Status Reverse Direction
O_Acc_Adj_UpStr_to_DnZn BOOL 4:0184 8
Accumulate Adjacent Upstream to Local
Downstream Zone
O_Acc_Adj_UpStr_to_UpZn BOOL 4:0104 8
Accumulate Adjacent Upstream to Local Upstream
Zone
Set Local Downstream Zone to Accumulate
Set Local Upstream Zone to Accumulate
Clear Jam at local Downstream Zone
Clear Jam at local Upstream Zone
Clear Motor Error Left & Right
O_ConfArrivalAdjDownstreamToDnZn BOOL 4:0184 9
Confirm Downstream Arrival for Local Downstream
Zone
O_ConfArrivalAdjDownstreamToUpZn BOOL 4:0104 9
Confirm Downstream Arrival for Local Upstream
Zone
O_ConveyMerge_Disable_Center
ConveyMerge: Disable Center Line from Releasing
O_ConveyMerge_Disable_Left
ConveyMerge: Disable Left Line from Releasing
O_ConveyMerge_Disable_Right
ConveyMerge: Disable Right Line from Releasing