Select Engineered Systems SWRS485MESH User manual

SES Plug and Play RS485 Mesh Transceiver 03/19 B
Quick Installation Guide
Page 1 of 4
CONCEPT
RS485 Wireless Mesh transceivers are pre-configured at SES for Plug and Play operation.
Part Numbers
SWRS485MESH –Individual RS485 mesh transceivers
SWRS485EXTENCL –Mesh transceivers mounted in Exterior NEMA 4 enclosures
SWRS485EXTPM –kit for mounting SWRS485EXTENCL on poles
For easier reading, “SES Select Wireless RS485 Mesh Transceivers”will be referred to simply as “Wireless
RS485 transceivers”, and CATDR4 or CATRLY8 modules will be referred to as “CAT expansion modules”.
Operational (Non-Safety) Warnings before Installation of RS485 Wireless Mesh
Wireless RS485 transceivers must be pre-configured at SES to be Plug and Play out-of-the-box
CATRS485CONVKIT option must have been installed in the CAT for any RS485 operation. Contact SES
Customer Service if needed.
DO NOT install RS485 wireless mesh transceivers inside metal boxes, close to metal structures or
inside control rooms - metal cages and surroundings acts as a shield against wireless signals and will
prevent wireless operation.
DO NOT use Ethernet cables for connecting or powering RS485 modules
DO NOT put more than one CAT series transceiver (CAT2, CAT4, CAT 10, CATCARD or legacy CAT
transceivers) on a single RS485 wireless system otherwise conflicts and cause unpredictable
operation will occur.
Each mesh has its own unique mesh network ID to prevent mesh cross-talk and is factory (SES)
preset. If ordering a wireless RS485 Mesh transceiver to replace an existing transceiver or adding to an
existing mesh network, please notify SES of the existing network ID when ordering.

SES Plug and Play RS485 Mesh Transceiver 03/19 B
Quick Installation Guide
Page 2 of 4
INSTALLATION
A. Plan the RS485 system. Each “node” RS485 cable connects local transceivers and modules. Each node
must have a wireless RS485 mesh transceiver and each CAT expansion module must have a unique
RS485 address.
B. Set End-of-Line Termination (EOLT) Resistors (not required for CAT transceivers).
EOLT Jumpers for CAT Expansion Modules
Red circle shows TWO on-board jumpers
Install both jumpers (factory default) to set
EOLT, otherwise remove both jumpers.
EOLT DIP Switches for Wireless RS485 Transceivers
Orange circle shows TWO DIP switches ( DIP1 is left)
Set DIP1 on (up) to set EOLT, otherwise leave DIP1
down.
Leave DIP 2 Always OFF (factory default)
C. If using SWRS485EXTENCL enclosure for RS485 mesh transceivers, decide on cable entry point and
remove appropriate knockout. Install the (provided) liquid-tight conduit fitting into the knockout hole.
½” inner-diameter straight non-metallic
liquid-tight conduit fitting

SES Plug and Play RS485 Mesh Transceiver 03/19 B
Quick Installation Guide
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D. Hook up local RS485 connections (use Belden #8771 or equivalent)
Local Node RS485 Wire Colors (Belden #8771)
TX/RX+
Red
Positive Transmission Line
GND
Black
Ground
TX/RX-
White
Negative Transmission Line
Wireless RS 485 Mesh
Transceiver Connector
Screw Terminal Block
CAT Terminal (1) Strip RS485
Connections (Blue Circle)
CATDR4/CATRLY8 RS485 Terminals
(Green Circle)
(1) In some variants, the terminal strip may be to the left of the label. In all cases the wiring for RS485
connection is identical.
E. Connect Power to Transceivers. To supply 9VDC power using the supplied adapter (below) or
optionally supply 12VDC power from the expansion module (images next page).
DO NOT USE RS485 CABLE OR ETHERNET CABLE TO SUPPLY POWER.
Wireless RS485 Power Adapter (+9VDC,
Supplied)
Wireless RS485 Power Socket 9 - 24VDC
(Green RS485 screw terminal block has been
removed for clarity)

SES Plug and Play RS485 Mesh Transceiver 03/19 B
Quick Installation Guide
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Optional: Supplying 12VDC Power for RS485 Transceiver from Expansion CATDR4 /CATRLY8
CATDR4 / CATRLY8 showing
location of power terminals
for RS485 mesh
Optional power for transceiver from expansion boards CATDR4 and
CATRLY8.
12 VDC power for transceiver can be taken from BAT terminals as shown
(Red Circle). Note position of + and –polarity signs (shown orange).
DO NOT POWER MORE THAN ONE TRANSCEIVER FROM THESE TERMINALS
ON THE SAME CATDR4/CATRLY8.
F. Attach the provided antenna to the RS485 mesh transceiver. Install the provided antenna directly into
the Antenna Port on the RS485 transceiver on the SWRS485EXTENCL enclosure.
LEDs and Antenna Port Side