CLSS Gateway - Installation and Users’ Manual | P/N:LS10248-000HW-E | REV. F | FEB/11/2022
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Section 7: Modbus Communications
The CLSS Gateway can use a third-party client to monitor the nodes inside a Modbus
LAN network, and send alarm and event data of these nodes for the CLSS users.
7.1 Operation
The CLSS Gateway acts as a slave device to a Modbus master application and offer the
Modbus monitoring functionalities to the CLSS Gateway users.
7.2 Functionality
With Modbus configurations the CLSS Gateway can:
•
Communicate with an NFN network through an HS-NCM or NCM
•
Directly connect to a single FACP in an NFN network
•
Support Modbus Application Protocol Specification V1.1b.
•
Monitor up to 10 FACPs.
Note
: Additional FACPs require additional CLSS Gateways to the NFN network.
•
Support a maximum of 2 Modbus clients or masters.
7.3 Recommended Cybersecurity Practices
•
Follow the highly-recommended cybersecurity practices specified in the
Cybersecurity Manual
(LS10217-000NF-E).
•
Ensure that all the network security best practices discussed in
7.4 Required Software
•
Chrome
TM
•
Java
TM
version 6 or above
7.5 IP Requirements
7.5.1 IP Port Settings
The following IP ports must be available for the CLSS Gateway:
NOTE:
The Modbus interface provides supplementary data to the third party client.
NOTE:
The Modbus details in this section are related to the NOTIFIER-UL panel.
NOTE:
The Modbus master application communicates with one or more panels over an
NFN or a high-speed NFN network.
!
CAUTION: FAILURE TO COMPLY WITH THE RECOMMENDED SECURITY PRACTICES IS A CYBERSECURITY RISK
TO YOUR SYSTEM.
Table 7.1: Required IP Ports
Port
Type
Direction
Purpose
80
TCP
In
Web Based Configuration
443
TCP
In
HTTPS Communications
502
TCP
In
Modbus
4016
TCP
In
Upgrades