AMCI SV160E2, User Manual, Page: 110 / 120

M
ODBUS
TCP C
ONFIGURATION
SV160E2 User Manual
ADVANCED MICRO CONTROLS INC.
110
5.3 AMCI Modbus TCP Memory Layout
The SV160E2 has a starting Input Register address of 0 and a starting Output Register address of 1024. Input
Registers hold the data from the driver while Output Registers hold the data to be written to the unit. Figure
T5.1 shows how an SV160E2 is mapped to the Modbus data reference. The complete specification for the
Modbus protocol can be downloaded at http://www.modbus.org/specs.php.
Figure T5.1 Modbus Data Reference Map
5.4 Supported Number of Connections
All SV160E2 units support five concurrent connections. When connections exist, the Network Status (NS)
LED on the back of the unit will flash green. The number of blinks indicate the number of active connections.
There is a two second break between groups of flashes.
Network Input
Data
Not Implemented
Network Output
Data
LSB and MSB
Numbers
Mapped as:
Discrete Inputs
Holding Registers
Input Registers
Mapped as:
Coils
Holding Registers
Register 1024
Register 1033
16,384 16,399
16,528 16,543
Register 9
144 159
0 15
Register 0