Delta HCH1850, Руководство пользователя

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24
InfraSuite RowCool Precision Cooling –
Chilled Water
3.8.3 Control box
y
Front
(Figure 3-21 : Front of control box)
NETWORK COM
NET UPS
RESET
RS232 RS485 CAN
INPUT
OUT IN
OUTPUT
ALARM RACK TEMP. REMOTE
2 3 4 + - G
1
INPUT + -
1 2 3 4 5 6 7 8 9
No. Item Description
1
SNMP
card slot This unit is compatible with an SNMP card (optional) and can be
connected with a workstation so as to monitor and manage the
system based on the SNMP protocol. To install the SNMP card,
first remove the dust cover from the control box, use an RJ45
cable (purchase separately) to connect the workstation and the
SNMP card. For SNMP card operation and setting, refer to its
user manual.
NOTE:
Please use the Delta SNMP card (optional) to
achieve the best efficiency and compatibility. Please
contact your local dealer or customer service for more
information.
2
RS232,
RS485 The RS232 or RS485 port allows you to connect a workstation or
power distribution device based on Modbus protocol for remote
use.
3
CAN-Link
IN/OUT It is reserved for series connection of several cooling units. It
adopts one-Input one-Output mode.
4
/
5
Input dry
contacts 1RUPDOO\RSHQIRUFRQQHFWLQJWKH¿UHDODUPRUVPRNHGHWHFWRU
When an event occurs, the dry contact device is triggered to
form a short circuit. The system will record it in the event log ,
start the buzzer and light the FAULT indicator.
Port
4
: Fire alarm
Port
5
: Smoke detector