Banner SureCross DX80 Wireless Networks - Manual (Page 81)

10.3 LCD Message Codes
These message codes display on the device's LCD.
Message Solution
BAD EE System Error. A system error typically represents a failure of the EE PROM. Contact the factory for replacement.
EC XX The XX refers to the Modbus register 8 message code shown in Modbus Message Codes for Register 8 on page
81. The LCD displays the message code in decimal; host-controlled systems read the message codes in hex.
DX80 display shows *ERROR: The Gateway uses fully-acknowledged polling to ensure each Node radio link is
robust. If a prescribed number of sequential polling cycles are not acknowledged by a Node, the Gateway considers
the radio link with that Node to be timed out. All outputs on the Node in question are set to the user-selected
default state or the output holds its last state, depending on user configuration options set using the User
Configuration Tool. If the Node’s radio link recovers and the Gateway or GatewayPro determines enough
acknowledged polling messages have accumulated, the link is reinstated.
EC 53 Radio Device (polling/heartbeat) Timeout. (Decimal value 13569.) A Node is determined to be out of the wireless
network based on the parameters defined for polling or heartbeat. For more information, see Message Code 35 in
Modbus Message Codes for Register 8 on page 81.
EC 54 Modbus time-out. A Gateway timeout (time of inactivity on the serial channel) was detected. For more information,
see Message Code 36 in Modbus Message Codes for Register 8 on page 81.
No LCD All DX80 devices display “POWER” on the LCD for the first five to ten seconds after applying power. A DX80
Gateway always has a green LED 1 on when power is connected. DX80 Node devices flash a red LED 2 every three
seconds or a green LED 1 every second depending on the RF Link status.
• Battery-powered devices turn off the LCD after fifteen minutes (factory default). Push any button to
reactivate the LCD. Battery-powered devices may be in power-down mode. To put battery powered
devices into power-down mode, hold button 1 for three to five seconds. To return from power-down mode,
hold button 1 for three to five seconds.
• Recheck the power connections and power requirements. Battery-powered devices require 3.6 to 5.5 V dc.
Non-battery powered devices require 10 to 30 V dc.
• After replacing the battery, allow up to sixty seconds for the device to power up.
10.3.1 Modbus Message Codes for Register 8
Register I/O 8 is reserved for device messages or Site Survey data when in Site Survey mode.
Conditions are detected as they occur and are immediately reported back to the Gateway. After the message is sent back
to the Gateway, the Node does not resend the message until the condition changes or there is a higher priority message.
The higher the message code, the higher the priority. For more information about how Site Survey data is stored in
registers 7 and 8, refer to Conducting a Site Survey (Gateway and Nodes) on page 17.
The following are Modbus message codes, shown in hex, that may appear on the SureCross devices' I/O 8 Modbus
register.
Message Code
[15:8]
Data Field [7:0] Description
00 80 Normal operation. Device message register contents 0x0080 indicate the Node is synchronized
to the Gateway. (Decimal value 128.) A value of zero (0) indicates there is no device present.
01 00-FF Unknown message. The message was received correctly (correct checksum), but it is not a
recognized command. This type of message is usually caused by devices with poor radio links
or collocated networks that are not uniquely separated by binding codes and Network IDs. This
message does not affect the performance of the network. (Decimal values 256 through 511.)
35 01 Radio Device (polling/heartbeat) Timeout. (Decimal value 13569.) A Node is not in the wireless
network based on the polling or heartbeat parameters. Refer to the User Configuration Tool
documentation for polling or heartbeat parameters and the timeout operation. When the least
significant bit is on (1), an error condition exists.
• Run a site survey to determine the quality of the radio link. If no communication exists
between the Gateway and Node, verify the power at the Node and all antenna
connections. Blocked radio communications may also be a result of recently changed
environmental conditions.
• Replace the battery of a battery-powered Node. Although the LCD and device may
appear functional, the battery may not have enough capacity to handle radio
communication.
36 01 Modbus time-out. A Gateway timeout (inactivity on the serial channel) was detected. (Decimal
value 13825.) When the least significant bit is on (1), an error condition exists.
SureCross Wireless I/O Networks
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