Chapter 6 Communication 51
Liebert
®
ITA 16kVA And 20kVA UPS User Manual
Chapter 6 Communication
This chapter briefly introduces the UPS communication.
The communication ports include: intelligent card port, dry contact port and USB port.
6.1 Installing Intelligent Card
6.1.1 Intelligent Card Port
UPS provides a intelligent card port (see Figure 6-1), which is used to install the communication device options,
including SIC-SNMP card, dry contact card, extended dry contact card, RS485 card and JBUS/MODBUS adapter
card. The intelligent card port and USB port can be used at the same time.
Intelligent
card port
Figure 6-1 Intelligent card installation
6.1.2 Intelligent Card Option
SIC-SNMP card
SIC-SNMP card (SIC card for short) is a network management card, which makes the intelligent devices (such as
UPS, air conditioner, static transfer system (STS), sever power management system (SPM), and so on) produced by
Emerson have network communication capability. The SIC card can also be used with the Network Shutdown
designed by Emerson to provide safe automatic shutdown function for the computer, in which the Network Shutdown
has been installed, to protect data and reduce loss.
Refer to the corresponding user manual for the installation and operation guide.
JBUS/MODBUS adapter card
Through the background monitoring software, JBUS/MODBUS adapter card (adapter card for short) can adopt
JBUS/MODBUS (RTU) protocol to manage the UPS and the field lighting power system (FLP). The adapter card gets
various electrical parameters, running state and fault type of the devices to know the operation state of the devices.
Refer to the corresponding user manual for the installation and operation guide.
RS485 card
RS485 card should be used together with Liebert
®
ITA series UPS provided by Emerson to realize the signal
transform from RS232 to Rs485.
Refer to the corresponding user manual for the installation and operation guide.
Dry contact card
Dry contact card provides the remote with four routes relay digital signal outputs: UPS on Battery, Battery Low, UPS
on Bypass or in Standby, UPS Faulty. Each dry contact signal output provides both normally open and normally
closed ports for user. The dry contact card can also receive three routes digital signal inputs, two of which control the
UPS turn-on and turn-off respectively, the third is reserved.
Refer to the corresponding user manual for the installation and operation guide.
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