13 . Real Time Calendar Time Design Examples 13.2 TRD/TZCP - Control of Warehouse Automatic Door Y2/Y3 o Open X1 Close X6 n Close Open X0 n X4 o X2 X3 Y0/Y1 X7 Control Purpose: z The opening hours of the warehouse are from 7:30~22:30, so the door should open at 7:30 and close at 22:30 automatically. z There are 2 sets of control buttons(Open/Close) in the control room for opening or closing the door manually for special situations. Devices: DVP-PLC Application Examples 13-3 Device Function X0 Manual open button for door 1 . X1 Manual close button for door 1 X2 Manual open button for door 2 X3 Manual close button for door 2 X4 Upper sensor of door 1. X5 Lower sensor of door 1.
X6 Upper sensor of door 2. X7 Lower sensor of door 2. Y0 Motor of door 1 run forward to open the door Y1 Motor of door 1 run reverse to close the door Y2 Motor of door 2 run forward to open the door Y3 Motor of door 2 run reverse to close the door