SCT Weight Transmitter – 20 Series Technical Manual
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3.8.2
Double Port Ethernet/IP Interface
The double port interface included the following:
• uses a different configuration file
• Different structuring of the Ethernet/IP interface in terms of data exchange zones
Table 3-19. Output Data – Double Port Interface (EtherNet/IP)
Output Data from SCT20-IP (Read)
Addresses
Type
Gross Weight [4 byte]
0x0000-0x0003
16 Byte Input
Net Weight [4 byte]
0x0004-0x0007
Exchange Register [4 byte]
0x0008-0x000B
Status Register [2 byte]
0x000C-0x000D
Digital Inputs status [2 byte]
0x000E-0x000F
Digital Outputs status [2 byte]
0x0010-0x0011
2 Byte Input
Possible Command To Send To The Command Register
Table 3-21. Commands to Command Register (EtherNet/IP)
Code
Description
Code
Description
0
No command
7
Semi-Automatic Tare enabling (net weight displaying)
8
Semi-Automatic Zero
9
Semi-Automatic Tare disabling (gross weight displaying)
20
21
Keypad lock
22
Keypad and display unlock
23
Keypad and display lock
86
87
Preset Tare reading*
88
Preset Tare writing*
89
90
Setpoint 1 reading*
91
Setpoint 2 reading*
92
Setpoint 3 reading*
93
Setpoint 1 writing*
94
Setpoint 2 writing*
95
Setpoint 3 writing*
98
99
Save data in EEPROM
100
Tare Weight Zero Setting for calibration
101
Sample weight storage for calibration
102
Sample Weight reading*
103
Sample Weight writing*
130
Preset Tare enabling
131
Note
To execute the same command twice consecutively, send command 0 between the first command and the following
one.
Internal Status
When the internal status is not 0 there is an internal error, so data from SCT20-IP are not reliable.
When the internal status is 0 data from SCT20-IP are reliable.
Write Enable
Write 0x0000 in the Write Enable register to ensure that no data are written to SCT20-IP.
Write 0xFFFF in the Write Enable register to enable that data are written to SCT20-IP.
Gross weight, Net weight:
The weight values are expressed as positive integer numbers; they include decimal figures without a decimal point.
Read the Status Register to obtain informations about sign and possible errors on the weight.
Input Data to SCT20-IP (Write)
Addresses
Type
Command Register [2 byte]
0x0000-0x0001
8 Byte Input
Digital Outputs Command [2 byte]
0x0002-0x0003
Exchange Register [4 byte]
0x0004-0x0007
Table 3-20. Input Data to SCT20 (EtherNet/IP)
