HYDROCAL 1005 Manual for Installation and Operation Page 72/111
QuickMod Monitor
II. MODBUS/ASCII via RS232 (using Modpoll) RS232 only available for service purposes
This test of HYDROCALMODBUS/ASCII via RS232 (RS232 only available for service purposes) was
executed using the Modpoll application. Connection, setup and results are shown below.
Physical Connection
HYDROCAL Setup and Data Screen Dump
HYDROCAL can be set up without any answer delay (due to full duplex on RS232).
Modpoll Result Screen Dump
The Modpoll utility expects the start reference to be set to the register 1017 to query the HY-
DROCAL external sensors 1..8 (address=1016..1023, register=1017..1024).
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