Huawei NetCol5000-A050 Quick Manual page 20

b) Connect teamwork and monitoring communications cables.
Smart Module Networking Scenario
Networking Teamwork Monitoring
Protocol MAC_CAN
CAN Teamwork + RS485 Monitoring
Networking Teamwork
Protocol CAN
One teamwork network
supports a maximum of
32 units. On the
Teamwork Settings
Description screen of the display
modules of the first and
last units, set Enable
teamwork CAN resistor
to Yes.
Connect the
COM/FE port on the
main control
module of the last
smart cooling
product in each
group to the RS485
port on the host.
Modbus-
TCP
Monitoring
Modbus-TCP
It takes 3 x n seconds to collect data from n units. If the
time required for the host to collect data from all units
does not meet the performance requirements, group the
units.
•
If units are not grouped (n = 1), set RS485
monitoring grouping to Enable on the Modbus
Settings screen for each unit.
•
If units are grouped (n > 1; recommended: n ≤ 4), set
RS485 monitoring grouping to Enable on the
Modbus Settings screen for the unit with the COM/FE
port connected. Retain the default setting (Disable)
for other units.
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