User guide

eWON 500-2001-4001-4002 User Guide - eWON Configuration
eWON 500®2001®4001®4002® Version 4_3_0 - User Guide - 10/5/05 - ©ACT'L sa - Page 64
4.4.2.1.1.2 Modbus TCP rules
• When accessing Modbus registers or coils that are not mapped to an eWON register, the returned value is 0.
• Maximum number of registers readable in 1 request: 25
• Maximum number of coils readable in 1 request: 2000
4.4.2.2 Tag "Alarm Action" edit window
Alarm action can be one of the following:
• Send an Email
• Send an SMS
• Send a file to an FTP server
• Send an SNMP Trap
The Alarm action window is accessed with the icon next to the Tag’s link.
Each of the four actions can be triggered with the following events:
• The alarm occurs (ALM) - low, lowlow, high or hihi (The alarm will also be triggered when changing the alarm level)
• Acknowledging (ACK)
• Return to normal level (RTN)
• End of Alarm (END)
Figure 37: Alarm notification setup