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Figure 23-7 - Network Summary Screen
6. By default, each device in the network list has a
board number of 0. To set the address and begin
communication, choose the device and press
. In the list of MODBUS devices, choose the
address number corresponding to the XM678D
address set up through the front display, and press
to select it. A window will open where you
can specify the address of the controller. If a
network ID has already been selected, its name will
be shown next to the network ID in this list. If the
network ID you are trying to assign has already
been used, you must set the address on this device
to a different number that is not being used.
Figure 23-8 - List of MODBUS Devices
7. Repeat Steps 5 and 6 until each device has a name
and address.
42 • XM678D I&O Manual
8. When finished, press
work Setup menu, then press
mary (Figure 23-7). Locate the devices you set up,
and look at each device's status in the Status field.
You will see one of the following messages:
• Online - The device is communicating
normally.
• Offline - The device is not communicating, has
not been commissioned, is not functional, or is
not powered up. Verify the device is powered
up, wired correctly, and has the proper network
address, baud rate, and parity.
• Unknown - The device is not communicating or
has not been commissioned. Verify the device
is powered up, wired correctly, and has the
proper network address, baud rate, and parity.
• No Port - No port is set up in the E2 Serial
Configuration Manager to be a MODBUS port.
• Wrong FW Rev - This message is likely caused
by the device having a firmware version older
than the minimum revision required by E2 for
communication. Replace the device with a new
one or a device that has the latest version of
firmware on it.
Figure 23-9 - Network Summary Screen
23.3. Wiring Types
Emerson Retail Solutions specifies Belden #8761
shielded twisted pair cables for use as MODBUS
wiring (or Belden #82761 and Belden #88761 for
plenum installations).
to return to the Net-
- Network Sum-
026-1219 Rev 3
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