IMO i3N Series, Руководство пользователя

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Table 11.1 – Network Protocols
Baud Rate, Data Bits, Stop Bits,
Parity
These field define the bit level transfer over the serial port.
Handshake
None – No handshake lines are used
Multidrop Full – Rx remains active while Tx is occurring.
Multidrop Half
– Rx is shut off while Tx is occurring.
Radio Modem – Wait for CTS acknowledgement before transmitting
(legacy radio modem support).
Protocol If a driver supports multiple protocols, it is selected here, (i.e. Modbus
supports RTU or ANSI).
Mode Specifies if port operates in RS232 or RS485 mode.
Retries Specifies number of times a transaction is retried on a failed response.
Timeout Specifies the amount of time for a device to wait for a valid response.
Update Scan
Automatic
Update Interval – Specifies the update interval at which all
the mapped entries are executed.
Reacquire Time – Specifies the amount of time to wait
before attempting communications with an offline device.
Manual
Trigger – Specifies the binary register that a single
transaction scan of the Scan List.
ID Select – If an analog is specified in the field, the ID Select
filter is enabled.
Status Register Specifies the starting I3 register of eight (8) consecutive registers (4-32bit
counters), which provide an indication of the network health.
Scanner Address Specifies the i3’s device (network) ID if a master ID is required by the
protocol.
Protocol Help Provides protocol specific help.