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Installation
6
RTU-MP Controller
Configuring the RTU-MP for BACnet MS/TP
Refer to Appendix B of this document for the Protocol Implementation Conformance Statement, or download
the latest from
http://www.bacnetassociation.org/BMAProductCatalog/Carrier/
.
1
Turn
off
the RTU-MP's power.
NOTE
Changes made to the switches when the RTU-MP is on will not take effect until the RTU-MP has
been power cycled!
2
Using the rotary switches
SW1
and
SW2
, set a unique MS/TP MAC address for the RTU-MP. Set the
MSB
(
SW1
) switch to the tens digit of the address, and set the
LSB
(
SW2
) switch to the ones digit. Valid
addresses are 01-99.
NOTE
The rotary switches also determine the BACnet device instance of the controller on the BACnet
network. The BACnet device instance is automatically generated based on the scheme 1600xx, where
“16” is the BACnet vendor ID for Carrier Carrier Corporation, and xx equals the rotary switch address.
EXAMPLE
To set the RTU-MP’s MS/TP MAC address to 01, point the arrow on the
MSB
(
SW1
) switch to
0 and the arrow on the
LSB
(
SW2
) switch to 1. Internally, the BACnet device instance is automatically
generated as 160001.
3
Set the
SW3
Comm Selector DIP switches
DS1
and
DS2
for the appropriate communications speed
(9600, 19.2k, 38.4k, or 76.8k bps).
NOTE
Use the same baud rate and communication settings for all controllers on the network segment.
The RTU-MP is fixed at 8 data bits, No Parity, and 1 Stop bit for this protocol's communications.
Baud Selection Table
Baud Rate
SW3/DS2
SW3/DS1
9,600
Off
Off
19,200
On
Off
38,400
Off
On
76,800
On
On
4
Set
SW3
Comm Selector DIP switches
DS3
through
DS6
for BACnet MS/TP. See table and example
below.
5
Leave
DS7
and
DS8
in the OFF position. These switches are not applicable to MS/TP.
SW3 Protocol Switch Settings for MS/TP
DS8
DS7
DS6
DS5
DS4
DS3
Off
Off
Off
Off
On
Off
Summary of Contents for RTU-MP
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