Product data
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Machinery Health
™
 Management October 2014
Flexible Configuration Options
The Power to Get Things Done
There are two power options for the CSI 9420. For a truly 
wireless experience, utilize the SmartPower
™
 Module. Based on 
the low power output dened by the WirelessHART standard, 
the CSI 9420 can achieve an operating life of up to 4 years when 
using the Power Save option. An operating life of two to three 
years can be achieved when using the default settings (update 
rate set to 60 minutes).
For faster update rates, the external DC-powered terminal 
block is recommended. This option provides virtually 
unlimited operation, even at the minimum update rate 
of once per minute.
Local Indication and Verification
The optional LCD display provides a local read-out of 
sensor values and transmitter diagnostics to streamline   
commissioning and troubleshooting at the device. Local  
indication of vibration measurements and diagnostics 
also provides accurate, real-time verication of operating 
conditions. The LCD display can be rotated to facilitate easy 
viewing, regardless of the orientation of the transmitter.
Plan and Manage Wireless Networks
The AMS Wireless SNAP-ON
™
 application is a revolutionary 
tool that enables you to both plan and manage your wireless 
network. Starting with a scale drawing of the plant, utilize 
simple click-and-drag functionality to position the 
gateways and wireless devices. Then the AMS Wireless   
SNAP-ON application will compare the plan to industry 
best practices. Recommendations will help you quickly 
develop a reliable wireless network.
After the devices are installed, the AMS Wireless SNAP-ON 
application will help you manage the network, providing 
a graphical overview of the communication paths and 
network health.
Wireless Architecture Overview
Ultimate Simplicity
Built on the IEC 62591 (WirelessHART) industrial standard, 
Emerson’s wireless network is completely self-organizing. 
There is no need to congure communication paths because 
the Smart Wireless Gateway manages this automatically – 
including adapting to changing environments. Once the  
network is established, new devices can be added at any 
time. Conversely, even if a device is de-commissioned, 
data reporting from other devices continues uninterrupted 
over other established paths.
Easy Installation
The CSI 9420, like all Emerson’s Smart Wireless transmitters, 
is simple to install. As soon as power is applied to the device, 
it will automatically establish communication with neighboring 
wireless devices, establish a path to the Gateway, and begin 
reporting. Each transmitter also has the ability to function as 
a repeater, relaying data from other devices to extend the 
network across virtually any size facility or industrial campus.
Network Stability
The Smart Wireless Gateway connects the wireless network 
with the host system and data applications like AMS Suite. 
The Gateway manages all aspects of the network: executing 
scheduled readings and accommodating requests for on- 
demand acquisitions. The Gateway congures the network 
to minimize power consumption and ensure network stability, 
while maintaining data reliability well above 99%.
The AMS Wireless SNAP-ON application graphically displays your 
wireless network.










