11
4.3
Power-up the MODBUS TCP Power Supply
The power supply MODBUS TCP option automatically detects if it is connected or disconnected from a
network. It automatically searches for a network server and receives or creates an IP address (set manually).
It will also broadcast its IP address and hostname to all other devices on the
network.
1. Apply the AC power and switch ON the power supply.
2. Connect the Ethernet cable before or after the power supply is switched ON.
3. For a network with a DHCP server, wait about 10 seconds. Module Status LED turns Green.
4. For a peer-to-peer Static IP configuration, set Static IP and wait about 10 seconds. Module
Status LED turns ON. The computer screen may show LAN notification, "This connection has
limited or no connectivity".
NOTE
Power supply IP address can be viewed via the Front Panel.
4.4
IP Addresses
The simplest and most reliable way to open a network connection is via the power supply’s IP address, which
is represented by a group of four numbers separated by periods (i.e. 10.1.15.123).
The power supply can receive an IP address in two modes:
DHCP Static IP
IP Mode Select DHCP is default after “MODBUS
TCP Reset”
May be set in the web page (6.6)
or by setting via the front panel
(
5.2)
IP Assignment Assigned by the network server Assigned in the web page (6.6) or
by setting via the front panel (5.2)
IP Range Any address Any address
IP Lifetime Address may change as the
DHCP server assigns addresses
dynamically to many instruments
Always fixed for the power supply
Duplicate IP Addresses The DHCP server should prevent
duplicate IP addresses
Network Status LED turns Red. IP
address is set to 0.0.0.0
NOTE
Auto-IP method is not supported.
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