Installation Instructions

GAT NET.Lock 7020 System
Configuration and Operation
52 HB_GAT-NETLOCK7020--EN_12 www.gantner.com
5.4.2 Master Controller
To display different operating states and to start certain functions, the following LED indicators and buttons are
provided on the GAT NET.Controller M 7020.
Figure 5.5 - LEDs and buttons on the GAT NET.Controller M 7020
BUTTONS
RESET
1. See "5.2. Restarting a Controller"
2. See "5.3 Resetting a Controller to the Default Settings"
MODE
Reserved for future use
LEDs
RS 485 IN (yellow)
The connection with the sub controller has been established
RS 485 IN (green)
RS-485 communication active
LED 1 (blue)
Reserved for future use
LED 2 (green/red)
Red:
Emergency operation (no connection to server/software)
Green:
Normal operation (connection to server/software OK)
Red/green flashing:
Bootloader mode (a firmware update is currently being loaded or
there is no firmware installed)
Table 5.2 - Buttons and LEDs of the GAT NET.Controller M 7020 master controller
Yellow LED
Green LED