IS-NT-Async-SPI, SW Version 1.2, ©ComAp – February 2011
IS-NT-Async-SPI-1.2.PDF
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InteliMonitor
Functions
• On-line direct, Modem or Internet single or multiple engine monitoring
• Active Modem or Internet call from engine to PC (activated by selected Alarm)
• On-line or Off-line History record listing
• Setpoints listing and adjusting (password protected)
• Statistics value (e.g. Running hours) Set/Reset
• Password and Access code change
Modbus protocol
Standard protocol enables receive/transmit any data or command from a Master system:
• Direct connection: RS232, RS422, RS485
• Modem connection
• 9600, 19200 or 38400 bps, 8 data bits, 1 stop bit, no parity
• Transfer mode RTU
• Function 3 (Read Multiply Registers)
• Function 6 (Write Single Register)
• Function 16 (Write Multiply Registers)
• The response to an incoming message depends on the communication speed. The delay is not shorter
than the time needed to send/receive 3 and ½ characters.
The complete description of Modbus communication protocol can be found in Modbus Protocol Reference
Guide PI-MBUS-300 and Open Modbus Specification Release 1.0. Both documents are available from web
site at http://www.modicon.com/openmbus/
.
Hint:
Detail Modbus command description see in ComAp Communication guide.
Value and setpoint codes
Hint:
It is possible to export actual values, setpoints and history file on-line from the controller or off-line from the
archive using InteliMonitor – Monitor – Export data… function.
Technical data
Hint:
Technical data of the controller and extension modules find in the IGS-NT-Installation guide-2.1.pdf.
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