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PROTOCOL
BACnet MS/TP (Master)
Modbus (Slave)
N2 (Slave)
LonWorks
LEGEND
DS – Dip Switch
NOTE: BACnet MS/TP SW3 example shown
Baud Rate Selections
BAUD RATE
9,600
19,200
38,400
76,800
MSB
SW1
Fig. 58 — RTU Open Controller Address Switches
J19
Fig. 59 — Network Wiring
Local Access
WALL MOUNTED EQUIPMENT TOUCH INTER-
FACE — The Equipment Touch™ interface is a wall mount-
ed interface used to connect to the RTU Open controller to ac-
cess the control information, read sensor values, and mainte-
nance. This is an accessory interface that does not come with
the RTU Open controller. Wire the Equipment Touch interface
to the RTU Open controller's J13 local access port. There are 2
password protected levels in the display (User and Admin). See
the Equipment Touch Installation and Setup Guide for more in-
formation. See Appendix A for navigation and screen content.
SW3 Protocol Selection
DS8
DS7
DS6
Unused
OFF
OFF
Unused
OFF
OFF
Unused
OFF
OFF
Unused
ON
ON
DS2
DS1
OFF
OFF
ON
OFF
OFF
ON
ON
ON
Fig. 57 — RTU Open Controller SW3 Dip Switch Settings
LSB
SW2
DS5
DS4
OFF
ON
ON
ON
OFF
ON
OFF
ON
COMM
OPTION
PORT
UNUSED
(OFF)
(ON)
PROTOCOL SELECTOR DIP SWITCHES
FIELD ASSISTANT — Field Assistant is a computer pro-
gram included with the purchase of the Tech Tool Kit (USB-
TKIT). This is a field Tech Tool to set-up, service, or download
application software to the RTU Open controller and includes a
USB Link Cable. The link cable connects a USB port to the
J12 local access port. See Fig. 60.
RTU OPEN CONTROLLER TROUBLESHOOTING
Communication LEDs
is speaking to the devices on the network. The LEDs should re-
flect communication traffic based on the baud rate set. The
higher the baud rate the more solid the LEDs will appear. See
Table 22.
NOTE: Refer to the RTU Open Multi-Protocol Controller
Controls, Start-Up, Operation and Troubleshooting manual for
complete configuration of the RTU Open controller, operating
sequences and troubleshooting information. Refer to the RTU
Open v3 Integration Guide for details on configuration and
troubleshooting of connected networks. Have a copy of these
manuals available at unit start-up.
44
DS3
DS2
Select
OFF
Baud
Select
OFF
Baud
ON
OFF
OFF
OFF
SET TO
SET TO MSTP
38.4k
(MASTER)
BAUD
The LEDs indicate if the controller
—
DS1
Select
Baud
Select
Baud
OFF
ON
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