Table 9 Protocol Selection Versus Setup Parameters For The Serial Port S1/S2 - Honeywell 900 User Manual

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Table 9 Protocol selection versus setup parameters for the Serial Port S1/S2

Setup parameter
Baud Rate (BPS)
Modbus Parity
Modbus Stop Bits
Slave Address
Slave Port Enable
Double Register Format
Note: When "Modbus Slave Modem" protocol is selected, the Modbus Parity and Modbus Stop Bits are fixed at
"None" and "1 Bit" respectively and cannot be changed.
26
ELN Modbus Modbus
Master or
Modbus Multidrop
Master
Advanced
X X X
X X
X X
X
X
X
900 Control Station User Guide
Protocol selection
Modbus Slave
Slave Point to Point
(PTP)
X
X
X
X
X
X
Serial Port S1/S2
Modbus Slave
Modem
X
NONE
1 BIT
X
X
X
Revision 9
May 2014