CommStat4 Modbus Interface I&O Manual 12/2021 rev. 5
This manual describes the steps to install and operate the Marvair
®
CommStat
™
4 Modbus Interface Adapter. This
device provides both Ethernet and serial interfaces to allow a remote system to read and write parameters to the
CommStat
™
4 controller through the Modus TCP or Modbus RTU communications protocol.
The following materials are provided in the Modbus Interface Adapter package:
•
Modbus Interface Adapter device
•
Installation and Operations Manual (this manual)
The following materials should be provided by the installer:
•
Laptop with Windows 7, 8, or 10 to configure the IP address of the Modbus Interface Adapter
•
Mechanical and electrical installation hand tools (wire cutters & strippers, drill, drill bits)
Important Safety Information
1.
Turn Electrical Power OFF at the breaker or fuse box BEFORE installing or working on the Modbus adapter. LINE
VOLTAGES ARE HAZARDOUS or LETHAL.
2.
OBSERVE and COMPLY with ALL applicable ELECTRICAL AND BUILDING CODES and ORDINACES.
3.
INSTALLATION and SERVICE should be performed ONLY by QUALIFIED and EXPERIENCED PEOPLE.
4.
USE COMMON SENSE and
BE SAFETY CONSCIOUS
.
This is the safety alert symbol.
When you see this symbol in the manual, be alert to the potential for personnel
injury or equipment damage. Understand the signal word DANGER, WARNING and CAUTION. These words are
used to identify levels of the seriousness of the hazard.
DANGER
Failure to comply will result in death or severe personal injury and/or property damage.
WARNING
Failure to comply could result in death or severe personal injury and/or property damage.
CAUTION
Failure to comply could result in minor personal injury and/or property damage.
IMPORTANT
is used to point out helpful suggestions that will result in improved installation, reliability or operation.
Confidentiality:
This document and the information contained in it are confidential and are the property of Marvair
®
. It may not in
any way be disclosed, copied or used by anyone except as expressly authorized by Marvair
®
. The document should
always be kept in a secure place and should be destroyed or returned to Marvair
®
when it is no longer needed. Not
for use or disclosure, except under written agreement. © 2021 Marvair
®
Proprietary. All rights reserved.
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
© 12/2021
Marvair
®
, An AirX Climate Solutions Brand
