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026-4247 Emerson is a trademark of Emerson Electric Co. ©2017 Emerson Climate Technologies Retail Solutions, Inc. All rights reserved.

Document Part # 026-4247 Rev 4

Page 2 of 2

Termination should only be done at the two end points of the 
network. Set termination as appropriate as shown in 

Figure 4

.

Figure 4  - Gateway MODBUS Jumper Configuration

Mounting and Installation Tips

• Gateway Signal Range: 100-ft. radius.
• Mount the Gateway on the ceiling, parallel to the floor.
• Up to 99 Wireless Modules per Gateway.
• Position the Module with the Emerson logo pointing 

towards the Gateway for maximum performance.

• Try to avoid metal obstructions in the line of sight.
• Mount the Module in a location where 200 lux of light is 

visible to the solar cell for five (5) or more hours per day.

• If possible, commission a Module from its mounting 

location to verify good positioning.

• Check the signal strength on the E2 prior to permanently 

mounting the Modules.

• Gateways can be configured as a Repeater/Gateway in 

larger coverage areas or low cost Repeaters are available 
for applications not requiring additional Gateways.

Figure 5 - Overlapping Coverage Area

Set Up and Commissioning in E2

For complete instructions on set up and commissioning, refer to 
the Wireless User Manual

 

(

P/N 026-1734

).

Note: E2 Firmware version 3.08/4.08 is required

.

1. Set the desired COM port for MODBUS.

(

Menu

,

 7

,

 4

1

,

 C:3 Serial 

tab)

•    Baud: 19.2 Kbaud
•    Data Size: 8
•    Parity: Even
•    Stop Bits: 1

2. Add a Wireless Gateway in the Network Setup screen 

(

Menu

7

,

 7

,

 2

,

 C:3 ECT 

tab)

 

by changing the quantity of 

Wireless GW

 to 

1

.

3. After adding the Gateway, go to the Network Summary 

screen and select Wireless Gateway and then Commission 
(

Menu

,

 7

7

,

 1

,

 F4: Commission

).

4. Set the MODBUS address to 

247

 

to match the default 

address in the Gateway (this address is fixed in the 
Gateway). Enter 

247

 

or scroll down to 

247 

and press 

Enter

.

5. Press 

Enter

 to complete Commissioning.

Part Number

RF Description

814-3550

Wireless Gateway/Repeater 902MHz

814-3560

Wireless Repeater 902MHz, 24VAC

814-3570

Wireless Repeater 902MHz, 120VAC

814-3600

Wireless Module 902MHz with User Selected 
Inputs; Clean Mode

814-3653

Wireless Module 902MHz, 3 Temp; Clean Mode 
with Molex Connector

140-6802

Wall Mount 24VAC, 20VA Class 2 Transformer

Table 2- Ordering Information

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