RXT-300 SmartWireless™
RXT-300 Wireless IM
Rev. 2.0
Page 26 of 41
Associated Zones
This is a submenu that allows the user to select which Alarm Zones this RXT-300 will be
a part of. One or more Zones can be selected. There will only be one Zone if the default
was taken in defining Zones.
RXT Functions
This is a submenu that defines the operation of Modbus on this RXT-300, if it is an Alarm
Station and if it has a battery installed. The Modbus™ settings are Sensors attached, HMI
attached and if Modbus™ exceptions are generated if a HMI is attached. An Alarm
Station generally will not have sensors or an HMI attached so neither would be selected.
Alarm Events
This is a submenu that allows the user to select which RXT-300 events will generate
alarms and what Alarm Outputs these will be placed on. There are four events that are
monitored, Network Down, RXT Offline, Battery Fault and Battery Alarm. These
individually can be assigned to any of the Alarm outputs but default to Alarm 4. Network
Down occurs when no Master has been detected for an extended period. RXT Offline
occurs when communication is lost to one or more RXT-300s in the system. Battery Fault
occurs when a battery is attached or detected and then communication is lost with the
battery. Battery Alarm occurs when the battery life remaining drops below the Low
Battery threshold set previously.
Alarm Properties
This is a submenu where the user sets the property for the Alarm outputs on this
RXT-300. It can be ignored if the Alarm outputs are unused. It sets the Energize / non-
Energize, Latching / non-Latching, Silence-able / non-Silence-able properties for each
Alarm output.
Advanced
This is a submenu of advanced settings that can be adjusted such as Modbus™ timeouts
and retries or network timeouts and retries. These would not be changed normally unless
directed by Detcon personnel.
4.5
Device Parameters Detailed
After setting up the RXT-300 parameters, the user must identify and add the devices (sensors) that will be used
in the system. These settings define the Sensor type, Modbus™ settings and Alarm settings. All sensors are
accessed using Modbus™ including the 4-20mA sensors. Alarm settings include thresholds and mapping of
Alarm events to Alarm outputs.
Device Name
Alphanumeric name for the sensor in the system. Set to a meaningful name for the user
and the first several characters will appear on the HMI Panel display. Has no operational
significance.
Device Type
The user can select from a pre-defined list of Detcon devices or sensors which will
populate many of the rest of the parameters for the user. A device type of “Other” allows
the user to add their own Modbus™ based device and then enter the parameters manually.
RXT
The user selects from a list of RXT-300 using their RXT Name that identifies the
RXT-300 this device is attached to. If the RXT-300 has not been added yet the user must
do this first.
Modbus™ Address
Sets the system wide Modbus™ address of this device. The address will auto-increment
to the next Modbus™ address as each device is added and starts at address 1.
Device Address
Sets the address of the device local to this RXT-300. This will be the same as the
Modbus™ address set above unless it is a 100 series sensor with a fixed address of 1. The
system wide Modbus™ address is translated on this RXT-300 to the Device address. For
example if the Modbus™ address is set to 4 and the Device address is set to a 1 the RXT-
300 will poll address 1 on its local Modbus™ interface but will present this to the network
