Honeywell CIU 888 - Page 64

Getting Started
Part No.: 4417584_Rev12 Configuration Manual
CIU 888 3 - 34
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7. Click the TRL2 Field Port tab, the Properties detail appears.
You can view or edit these properties:
3.2.6.2 Ethernet Field Port
On CIU 888 node click FTEA port.
By default FTE tab appears displaying various properties
Time-out Enter timeout in ms (default = 250 ms).
Note:
For Modbus field ports, the default timeout of 250
ms might not be sufficient in case of lower baud rates
(1200, 2400 etc.,) and needs to be increased.
Calculate the field port timeout as Field port timeout =
(1000 / baud rate) * No of bits in a byte * Maximum
number of bytes retrieved from Modbus device in a
single request ms and configure it accordingly.
Stop bits Select 1 or 2 (default = 1).
Parity Select Odd, Even, or None (default = Odd).
Duplex mode Select Full or Half (default = Full).
Retries Enter number of retries (default = 3)
Properties Description
Baud rate Baud rate is fixed and not editable (default = 4800 ms).
Turn around delay Enter reply waiting time in ms (default = 20 ms).
Time-out Enter timeout in ms (default = 400ms).
Stop bits Stop bit is fixed and not editable (default = 1 at
Parity= None).
Parity Select Odd, Even, or None (default = None).
Retries Enter number of retries (default = 3)
Properties Description