INSTALLATION MANUAL
MODEL: IP-COM-PORT
TIS CONTROL LIMITED
RM 1502-p9 Easey CommBldg
253-261 Hennessy Rd Wanchai
Hong Kong
TEXAS INTELLIGENT SYSTEM LLC
SUITE# 610. 860 NORTH DOROTHY DR
RICHARDSON
TX 75081.USA
Copyright © 2020 TIS, All Rights Reserved
TIS Logo is a Registered Trademark of Texas Intelligent System LLC in the
United States of America. This company takes TIS Control Ltd. in other
countries. All of the Specifications are subject to change without notice.
w w w . t i s c o n t r o l . c o m
IP GATEWAY WITH RS232/RS485 PORT
+24V
GND D-
D+ +24V
D-
GND
RS485
RS232
IP-COM-PORT
D+
TIS-BUS
GND
PRG
Tx
Rx
D+
GND
+24V
D-
TEMP
GND 0-10V T-
VAV
T+
NET
CONNECTING TO MODBUS
RTU OR RS485 3
rd
PARTY
Connect as follows:
▸
Modbus RTU or 3
rd
-party device
RS485 A pin to TIS RS485 D+
terminal.
▸
Modbus RTU or 3
rd
-party device
RS485 B pin to TIS RS485 D- terminal.
Turn on TIS power supply. The module’s
PRG LED should start blinking.
5
INSTALLATION STEPS
+24V
GND D-
D+ +24V
D-
GND
RS485
RS232
IP-COM-PORT
D+
TIS-BUS
GND
PRG
Tx
Rx DTR
D+
GND
+24V
D-
TEMP
GND 0-10V T-
VAV
T+
NET
RS485 A pin
RS485 B pin