Section 11.0 Appendix B: Modbus TCP/IP Gateway Option
HGA IOM
115
Figure 68: Modbus TCP/IP Gateway Configuration Page
Table 51: Gateway Default Settings
Setting
Default Value
IP Address
192.168.0.1
Gateway
255.255.255.0
Subnet
255.255.255.0
DHCP
Off
To update the IP address, type in a new IP address on the configuration page, then click on the
STORE CONFIGURATION button. After the new IP address is stored, cycle power to the
Communication Gateway to load the new IP address.
For advanced configuration options, such as IP Access Control, reference the HMS Anybus
Communicator Serial Modbus TCP/IP Gateway User Manual available on the HMS website
(www.hms.se)
Register Map and Address Offsets
For a description of the input and output data registers available over the network interface
reference
Section 6
in this user manual.
For the Modbus TCP interface the
HGA output status data
registers from the HGA, which
contain unit status, Voltage, current, etc. are in
Modbus register space 30000 (3x Input
Registers)
. This register space should be access via
Modbus Function Code 04 Read Input
Registers
.
For the Modbus TCP interface the
HGA input command data
register to the HGA, which
contains the unit run stop command are in Modbus register space
40000 (4x Holding
Registers).
This register space should be access via
Modbus Function code 06 Write Single
Register
.