# General Status - Bitmap description

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General Status
Bit | Name | Description
0 | Fieldbus Data Valid | Communication over the bus is running errorless
1 | Zero Executed | ZERO successful executed, active for 2 seconds
2 | Ping Pong RX | Inverted bit “Ping Pong TX” from General Control bitmap. Details given in section Communication between Master (PLC) and Slave (VAT-Valve)
3 | Pressure Simulation | Internal pressure simulation is active. Real sensor inputs are being ignored
4 | Target Pressure Reached | Actual pressure is within 2% of the target pressure
5 | Iso Valve Open | External valve isolation is in state Open
6 | Iso Valve Close | External valve isolation is in state Close
7 – 8 | Access Mode |  | Bit 7 | Bit 8
Local | 0 | 0
Remote | 1 | 0
Locked | 0 | 1
9 | Warnings Active | At least one bit of General Warnings or Extended Warnings is active.
10 | Plasma Mode Status | Plasma mode is active. Pressure control is slowed down
11 | Interlock Active | Interlock input is active
12 - 15 | Not Used | Reserved