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Chapter 6 Communication 43
Liebert
®
ITA 5kVA And 6kVA UPS User Manual
Chapter 6 Communication
This chapter briefly introduces the UPS communication.
The communication ports include: USB port and intelligent card port, which cannot be used at the same time.
6.1 Connecting USB Communication Cable
See Figure 1-3 for the position of the USB port.
The procedures for connecting the USB communication cable are as follows:
1. Take out the USB communication cable from the accessories.
2. Insert one end of the USB communication cable to the USB port on the rear panel of the UPS.
3. Insert the other end to the USB port of the computer.
Install the USB driver in the installation disk before communication.
The USB port can be connected to the single SiteMonitor software. For the installing, configuring and using methods of
the SiteMonitor software, refer to the user manual in the installation disk.
6.2 Installing Communication Assembly (Optional)
The UPS provides an intelligent card port (see Figure 6-1), which is used to install the communication assembly,
including SIC card, dry contact card, extended dry contact card, RS485 card, RS232 card and JBUS/MODBUS
adapter card.
Intelligent card slot
Baffle of the
intelligent card slot
Intelligent card
Figure 6-54 Intelligent card installation
6.2.1 SIC Card
SIC-SNMP card is a network management card, which provides the UPS, air conditioner, static transfer system (STS),
server power management system (SPM), and other intelligent devices produced by Emerson with network
communication capability. The SIC card can also be used with the Network Shutdown program designed by Emerson
to provide safe automatic shutdown function for the computer, thus protecting data and reducing loss.
Refer to the corresponding user manual for the installation and operation guide.
6.2.2 JBUS/MODBUS Adapter Card
Through the background monitoring software, JBUS/MODBUS adapter card (adapter card for short) can use
JBUS/MODBUS (RTU) protocol to manage the UPS and the field lighting power system (FLP) devices of Emerson.
The adapter card obtains various electrical parameters, running state and fault type of the devices to be aware of the
operation status of the devices.
Refer to the corresponding user manual for the installation and operation guide.
6.2.3 RS485 Card
RS485 card should be used together with Liebert
®
ITA series UPS of Emerson to realize the signal transform from
RS232 to RS485.