Huawei NetCol8000-C190 User Manual page 70

NetCol8000-C190 In-room Chilled Water Smart
Cooling Product
User Manual (2022, Singapore STT)
Networking
Note
Figure 3-36 Connecting communications cables
If the length of a network cable in the FE teamwork is greater than or equal to
100 m, use the group-based ring networking mode.
Issue 02 (2022-03-30)
FE Teamwork
A teamwork network supports
a maximum of 16 units.
NO TE
● Connect the COM/FE port on the main control module of the last unit in each group to
the RS485 port on the host.
● Customers can purchase an ECC and NetEco as the monitoring system.
Copyright © Huawei Technologies Co., Ltd.
3 Installation
RS485 Monitoring
n seconds to
It takes 3 x
n units. If
collect data from
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 (
= 1), set RS485 monitoring
grouping to Enable on the
Modbus Settings screen
for each unit.
● If units are grouped (
n ≤ 4), set
recommended:
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.
n
n > 1;
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