Siemens SIMATIC ET 200SP Operating Instructions

6.29.5 Protocol string [log]
The protocol string contains the following information depending on the scale type:
Weighing operating mode DTI - Discontinuous totalizing automatic weighing instruments
[Identifier];[Weight value];[Weight unit];[Additional string];[8 spaces]
Example: T1;100;kg;Wheat; ;
Designation Data type Length (bytes)
Identifier:
T1: Totalizer 1 (legal-for-trade totalizer),
t1: Totalizer 1 (non-legal-for-trade totalizer),
dt: Single loading
BYTE 2
; BYTE 1
Weight value BYTE 11
; BYTE 1
Weight unit BYTE 4
; BYTE 1
Additional string BYTE 42
; BYTE 1
8 spaces BYTE 8
; BYTE 1
All other weighing operating modes
[Gross/Net identifier];[Weight value];[Weight unit];[Tare identifier];[Tare weight value];
[Additional string];
Example: N;10;kg;T;5;kg;Potatoes
Designation Data type Length (bytes)
Gross/Net BYTE 2
; BYTE 1
Weight value BYTE 8
; BYTE 1
Weight unit BYTE 4
; BYTE 1
Tare sign BYTE 2
; BYTE 1
Tare weight value BYTE 8
; UBYTE 1
Additional string UBYTE 42
; UBYTE 1
6.29.6 Checksum, date, time
The checksums, date and time of the selected protocol are displayed here.
Parameter assignment/addressing
6.29 DR46 Read out protocol content
Technology module TM SIWAREX WP351 HF
110 Operating Instructions, 01/2020, A5E47521010-AA

Siemens SIMATIC ET 200SP Specifications

General

System Type	Distributed I/O System
Mounting	DIN Rail
Communication Protocol	PROFINET, PROFIBUS
IP Rating	IP20
Category	I/O Systems
Supply Voltage	24 V DC
Modularity	Yes
Hot Swapping	Yes
Storage Temperature	-40°C to +70°C
Digital Inputs	Yes
Digital Outputs	Yes
Analog Inputs	Yes
Analog Outputs	Yes
Communication Interface	PROFINET, PROFIBUS
Number of Modules	Up to 64
Relative Humidity	5 to 95% (non-condensing)
Operating Temperature	-25°C to +60°C