11
FnIO MODBUS Adapter NA-9171, NA-9173
FnIO S-Series
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2.2.2.
Interface Specification
Interface Specification, NA-9171(RS-232), NA-9173(RS-485)
Adapter Type
Slave node (MODBUS Serial RTU/ASCII Server)
Max. Expansion Module
32 slots
Max. Input Size
126words (252bytes)
Max. Output Size
126words (252bytes)
Max. Length Bus Line
1200m (NA-9173, RS-485, depend on baud rate),
15m (NA-9171, RS-232)
Max. Nodes
64 nodes (NA-9173, RS-485),
1 node (NA-9171, RS-232)
Baud rate
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200bps
Protocol
RTU and ASCII
Interface Connector
5 Pin Open Connector (NA-9173, RS-485)
Dsub 9pin (Female) (NA-9171, RS-232)
Settable Node Address
1~99 with two rotary switches
Indicator
5 LEDs
1 Green/Red, Module Status (MOD)
1 Green, Received Data (RXD)
1 Green, Transmit Data (TXD)
1 Green/Red Expansion Module Status (I/O)
1 Green, Field Power Status
Module Location
Starter module – left side of FnIO system
Field Power Detection
About 11Vdc
