Installation Instructions

GAT NET.Lock 7020 System
Electrical Connections
www.gantner.com HB_GAT-NETLOCK7020--EN_12 37
4. ELECTRICAL CONNECTIONS
Electric Shock
➔ Touching the power cables may result in electrical shock.
- Electrical connections may only be performed by the specified target group.
- Always follow the instructions described in this chapter.
Damage or Malfunction of the GAT NET.Lock 7020
- Read the information in this chapter carefully before completing the electrical connections.
- Complete the cabling connections in the sequence and at the terminals/connectors described.
4.1 Target Group
This chapter describes the electrical connections required for the GAT NET.Lock 7020 system. The information is
intended for trained personnel responsible for completing the electrical connections. Observe the legal requirements
for electrical installations where the GAT NET.Lock 7020 is being installed, e.g., electrical connection only by
suitably trained electricians, material specifications, and tools used. Also observe the environmental operating
conditions as specified in chapter “7 TECHNICAL DATA”.
4.2 System Structure
The GAT NET.Lock 7020 locks connect to the GAT NET.Controller S 7020 sub controllers. The sub controllers are
networkable via the serial RS-485 interface and connect to a GAT NET.Controller M 7020 master controller. The
master controllers connect via Ethernet to a host computer or server.
Figure 4.1 - GAT NET.Lock 7020 system structure