Wiring Types - Emerson XEV EX48 Instruction Sheet

Superheat controller
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3. In the Num Network Ctrls: NetSetup screen,
under the ECT tab, enter the number of devices in
the Quantity field. (Max shows the maximum
number of devices allowed on the network.)
4. Press
to return to the Network Setup menu,
then select
- Network Summary.
5. Locate the units you added to the network list
(press
and
to scroll through the list). If
desired, enter new name for each device in the
Name field.
Figure 17.5 - 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 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 17.6 - List of MODBUS Devices
7. Repeat Steps 5 and 6 until each device has a
name and address.
8. When finished, press
Network set up menu, then press Network
Summary (Figure 17-7). 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.
to return to the
www.emersonclimate.com/flowcontrols
• 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 17.7 - Network Summary Screen

17.2 Wiring Types

Retail Solutions specifies Belden #8761 shielded
twisted pair cables for use as MODBUS wiring (or
Belden #82761 and Belden #88761 for plenum installations).
For MODBUS network wiring of XEV series of
controllers to E2, Belden #8641 (CPC P/N 135-8641) is the
recommended wire type to use.
If the recommended cable is not available in your area, be
sure the wiring meets or exceeds the following

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