VersaMax - Industrial Controls

VersaMax - Industrial Controls
Serial Communications
The serial communications expansion module provides a Modbus Master port for a Genius
NIU remote I/O drop. The serial port can be used to interface with a wide range of Modbus
slave devices such as controllers, VFDs, bar code readers, marques and much more. The
data is transferred to and from the NIU over the Genius LAN and is compatible with any
controller that supports Genius Global Data.
Product Name
Module Type
NIU Type Supported
Number of Serial Communications Modules
Number of RTU slaves per Serial Communications Module
Serial Port Type
Baud Rate Supported
Serial Communications Expansion Module
Modbus Master
Up to 2 per Genius NIU I/O Station
1 to 247
RS-485. 15-pin subminiature ‘D’ connector. For RS-232
communications, an RS-485 to RS-232 adapter such as
IC690ACC901 can be used. Adapter IC690ACC901
can be installed with its right-angle cable hanging down.
RS-485 supports both 2-wire and 4-wire electrical interfaces
1200, 2400, 4800, 9600, and 19200,
and half or full duplex operation
COMMREQ command memory (%AQ) required
in the GENERIC_COMM module hardware configuration
Depends on individual COMMREQ content.
Minimum: 22 words Maximum: 64 words
RTU Master Commands
65520, Initialize RTU Master Port
8000, Clear RTU Master Diag. Status
8001, Read RTU Master Diag. Status
8002, Send RTU Read/Force/Preset Query
8003, Send RTU Diagnostic Query
Power Consumption
Dimensions (W x H x D)
GE Fanuc Control Systems Solutions
460 mA maximum from 5 V output,
5 mA from +3.3 V output
110 mm (4.3 in) x 66.8 mm (2.63 in) x
50 mm (1.956 in), not including the
height of the carrier or the mating connectors
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