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Networked Indexer/Driver User Manual
C
ONFIGURATION
M
ODE
D
ATA
F
ORMAT
61
Command Mode Data Formats (continued)
Examples of the formats are given below.
Table R6.2 Position Data Format Examples
When using the Modbus-TCP protocol, the host controller should use “signed 16-bit integer”
as the data type when using the multi-word format.
The range of values when using the multi-word format is -32,768,000 to 32,767,999. When
used in continuous rotation applications, such as control of a conveyor belt, it is possible to
overflow these values. When any of the three position values overflow, the value of the associ-
ated data words will become indeterminate. AMCI strongly suggests using the signed 32-bit
integer format for continuous rotation applications.
Output Data Format
The correct format for the Network Output Data when the Networked Driver is in Configuration Mode is
shown below.
Table R6.3 Network Output Data Format: Configuration Mode
Multi-Word Format
32 bit Signed Integer
Little Endian Format
(EtherNet/IP)
32 bit Signed Integer
Big Endian Format
(PROFINET & Modbus TCP)
Value
First Word
Second Word
First Word
Second Word
First Word
Second Word
12
0
12
16#000C
16#0000
16#0000
16#000C
-12
0
-12
16#FFF4
16#FFFF
16#FFFF
16#FFF4
1,234,567
1,234
567
16#D687
16#0012
16#0012
16#D687
-7,654,321
-7,654
-321
16#344F
16#FF8B
16#FF8B
16#344F
EtherNet/IP
or PROFINET
Word
Modbus/TCP
Register
Configuration Data
Range
0
1024
Configuration Word 0
See below
1
1025
Configuration Word 1
See below
2
1026
Starting Speed: Upper Word
Combined value between 1
and 1,999,999 steps/sec.
3
1027
Starting Speed: Lower Word
4
1028
Motor Resolution
200 to 32,767
5
1029
Reserved
Must be set to zero
6
1030
Encoder Resolution
0 to 32,768
7
1031
Idle Current Reduction
0 to 100%
8
1032
Motor Current (X10)
10 to 60, Even numbers only.
Represents 1.0 to 6.0 Arms
9
1033
Current Loop Gain
1 to 40
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