HYDROCAL 1001+ Installation and operation manual Page 66/76
4.6.1.2. Bus Node
The Bus Node setup is used for a communication between PC to several HYDROCAL units. Please
perform following configuration to each HYDROCAL unit:
Mode: Off (no Modbus) - activated
Address: 1 ... 254 (enter unique address for each unit)
Answer Delay: 0 ms (depending on the used RS485 adapter)
Serial Setup: 19200 (2400 ... 115200)
Note: As soon the address is unequal 0, the bus node is activated automatically. The proprietary
HYDROCAL protocol allows only configuration of the baud rate. The settings of the Data Bits, Parity
and Stop Bits are fixed to 8-N-1.