Panametrics DigitalFlow GS868, Programming Manual, Page: 90 / 146

Chapter 6. Serial Communications
80 DigitalFlow™ GS868 Programming Manual (2-Channel)
6.7 Setting Up a MODBUS/TCP Connection
A modified GS868 can use the MODBUS/TCP interface to communicate with an internal network. An optional
MODBUS/TCP card with a unique MAC (IP) address (installed only in slots 5 or 6) includes an RJ45 connector. To
connect the MODBUS/TCP-enabled GS868 to the network, insert the jack of an RJ45 cable into the RJ45 connector,
route the cable through the bottom of the GS868, and wire the other end of the cable to the LAN according to the
manufacturer’s instructions.
To establish MODBUS/TCP communications with the GS868, you must install the
Ruiping software utility (available
with your modified GS868) on a PC connected to the LAN. Once installed and running, the software displays all
Ethernet devices currently connected to the subnet. You can identify the GS868 by its MAC address, supplied as part
of customer documentation. The default TCP Port is 502.
The default IP addressing for the GS868 is DHCP (dynamic). If you need to assign a static IP address to the GS868,
complete the following steps:
IMPORTANT: To assign a static IP address, the GS868 must be connected to an Ethernet network with a dynamic
address assignment mechanism (DHCP) first.
1. Run Ruiping software, and identify the GS868’s current IP address.
Note: “Ruiping-e” will return the found IP address as well as the MAC address.
2. From a DOS command prompt, type: telnet “ip address” 10000
3. The “Welcome to Net+Works Configuration Utility” opens. Type in the login name and password.
a. Login:
type
root
.
b. Password : type Netsilicon .
4. In the Main Menu:
a.
Select
IP Parameters (1)
. Enter the desired IP changes and return to the Main Menu.
b. Select Enable DHCP Client (3) . Select N (2) to disable, then select 4 for Main Menu.
c. At the Main Menu, select 4 for Quit . Power cycle the GS868 (i.e., turn the meter off and on) to apply the
changes.