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SIWAREX WP251
Siemens SIWAREX WP251 User Manual
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Weighing systems
Elect
ronic
Weig
hing Sys
tem
SIWAREX WP251
Manual
12/2015
A5E37203357A
Introducti
on
1
Safety not
es
2
Descrip
tion
3
Applicati
on planning
4
Mounting
5
Connectio
n
6
Commissio
ning
7
Scale param
eters an
d
functions
8
Errors an
d messages
9
Comman
d lists
10
Communicat
ion wit
h
SIMATIC S7
-
120
0
11
Operation
requiri
ng offi
cial
calibr
ation
12
Technical
specificat
ions
13
Accessory
14
ESD guideli
nes
A
List of a
bbreviatio
ns
B
2
Table of Contents
Table of Contents
3
Table of Contents
13
Introduction
15
Purpose of the Manual
15
Basic Knowledge Required
15
Manual - Range of Validity
15
Technical Support
15
Safety Notes
17
General Safety Instructions
17
Security Messages
17
Description
19
Product Overview
19
Area of Application
19
System Integration in SIMATIC
19
Scope of Delivery
20
Image 3-1 System Overview
20
Application Planning
21
Functions
21
Parameter Assignment Options
21
Parameter Assignment with the PC
21
Parameter Assignment with a SIMATIC Panel
22
Image 4-1 SIWATOOL Overview
22
Parameter Assignment by Means of the Modbus Interface
23
Image 4-2 SIWAREX WP251 in Stand-Alone Operation
23
Mounting
25
Installation Guideline
25
EMC-Compliant Installation
25
Introduction
25
Possible Effects of Interference
25
Coupling Mechanisms
26
Five Basic Rules for Securing EMC
26
Mounting on the SIMATIC S7-1200
27
Connection
29
Overview
29
Image 6-1 SIWAREX WP251 Connection Areas
29
Connection
30
Connecting the Load Cells
30
Table 6- 1 Connection of the 24 V Supply
30
Shield Connection
31
Table 6- 2 Load Cell Connections on the Module
31
Image 6-2 Shielding in the Screw Gland
31
Image 6-3 Installation of the Shield Connection Element (Example)
32
Image 6-4 Connection of Strain Gauge Load Cell with 4-Wire System
33
Connection of Digital Outputs (4 X DQ)
34
Image 6-5 Connection of Strain Gauge Load Cell with 6-Wire System
34
Image
34
Connection of Digital Inputs (4 X DI)
35
Table 6- 3 Connection of the Digital Outputs
35
Connection of the Analog Output (1 X AQ)
36
Connection of RS485 Serial Interface
36
Connection of Siebert Display Via RS485
37
Connection of Siebert Display S102
37
Connection of the Ethernet Interface
38
Activation of Write Protection
38
Attachment of Calibration Protection Plate
39
Image 6-7 Attachment of the Calibration Protection Plates
39
Commissioning
41
Introduction
41
Factory Setting of the Mode Selector
41
Image 7-1 Mode Switch
41
Automatic Quick Calibration with SIWATOOL
42
Overview
42
Activate Service Mode
43
Load Standard Parameters
43
Image 7-2 Quick Calibration with Marked Parameters
43
Image
43
Input of Required Parameters
44
Sending/Receiving a Data Record / in SIWATOOL V7
44
Image
44
Complete Automatic Calibration
45
Receive All Data
45
Checking the Scale after Calibration
45
Quick Calibration with Calibration Weights and SIWATOOL
46
Introduction
46
Activate Service Mode
46
Load Standard Parameters
46
Input of Required Parameters
46
Calibration
47
Sending/Receiving a Data Record / in SIWATOOL V7
47
Receive All Data
48
Checking the Scale Following Calibration
48
Service with the SIWATOOL Program
48
General
48
Windows and Functions of SIWATOOL
49
Image 7-5 Layout of the SIWATOOL User Interface
49
Image
49
Offline Parameter Assignment
50
IP Address for SIWAREX
50
Introduction
50
Sending/Receiving a Data Record in SIWATOOL V7
50
Entering a Known SIWAREX IP Address
51
Determining an Unknown IP Address
51
Setting up a Network
51
Online Parameter Assignment
51
Entering Parameters with SIWATOOL
52
Recording Scale Traces
52
Firmware Update
53
Image 7-7 Trace Export
53
Reading out the Saved Scale Logs
55
Image 7-8 Downloading the Firmware with SIWATOOL
55
Scale Parameters and Functions
57
Parameters and Functions
57
Weighing Steps
58
Introduction
58
Operating Mode NAWI (Non-Automatic Weighing Instrument) - Filling
58
Operating Mode NAWI (Non-Automatic Weighing Instrument) - Removal
59
Operating Mode AWI (Automatic Weighing Instruments)
59
Operating Mode ACI (Automatic Catchweighing Instruments) - Filling
60
Operating Mode ACI (Automatic Catchweighing Instruments) - Removal
61
DR 3 Calibration Parameters
61
Overview
61
Table 8- 1 Assignment of Data Record 3
62
Scale Name
66
Unit of Weight
66
Gross Identifier
66
Code for Regulations
67
Minimum Weighing Range
67
Maximum Weighing Range
67
Calibration Weights 0, 1, 2 and Calibration Digits 0, 1, 2
67
Scale Interval
68
Zero by Power-On
68
Zero by Power-On When Tare ≠ 0
68
Automatic Zero Adjustment
68
Subtractive / Additive Tare Device
69
Weight Simulation Allowed
69
Automatic Zero Tracking
69
Maximum Tare Load
70
Maximum Negative Zero Setting Limit (Power-On)
70
Maximum Positive Zero Setting Limit (Power-On)
70
Maximum Negative Zero Setting Limit (Semi-Automatically)
70
Maximum Positive Zero Setting Limit (Semi-Automatically)
71
Standstill Monitoring
71
Standstill 1 - Range
72
Standstill 1 - Time
72
Max. Waiting Time for Standstill 1
72
Image 8-1 Standstill Monitoring
72
Standstill 2 - Range
73
Standstill 2 - Time
73
Setting Time before Standstill 2
73
Frequency Low Pass Filter 1
74
Order No. Low Pass Filter 1
74
Depth Average Filter
74
Image 8-2 Step Response of Digital Low Pass Filter at F = 2 Hz
74
Image
74
Weighing Operating Mode
75
Securedisplay Including Weighing Range Data
75
Securedisplay Interface
75
Securedisplay Version
75
Smallest Zoom Factor of Securedisplay
75
Grid Frequency
75
Calibration
76
Calibration with Calibration Weights
76
Calibration Digits and Calibration Weight
77
Image
77
Automatic Calibration
78
Linearizing the Scales' Characteristic Curve
78
Image
78
DR 4 Output of Calculated Calibration Digits
79
Overview
79
Calibration Digits 0, 1, 2 (Calculated)
80
DR 5 Tare / Zero Memory
80
Overview
80
Effective Tare Weight - from Specification 1, 2 or 3
81
Effective Tare Weight (Semi-Automatic)
81
Current Zero Tracking Weight
82
Dead Load
82
DR 6 Limits
82
Overview
82
Zero by Power-On (Value When Switching On)
82
Zero Weight (Semi-Automatic)
82
Limit Value 1 ON, Limit Value 2 ON, Limit Value 1 OFF, Limit Value 2 off
84
Limit 3 - Empty
85
Limit Value Configuration
85
Switch-On Delay Limit 3 (Empty)
85
DR 7 Process Interfaces
86
Overview
86
Assignment of Digital Input DI.0, DI.1, DI.2, DI.3
90
Assignment of Digital Output DQ.0, DQ.1, DQ.2, DQ.3
91
Input Filtering (Hardware Setting)
91
Response of Digital Outputs to Faults or SIMATIC STOP
92
Substitute Value for DQ 0, 1, 2, 3 Following Fault or SIMATIC STOP
92
Analog Output Range
93
Analog Output Source
93
End Value for the Analog Output
93
Response of Analog Output to Faults or SIMATIC STOP
93
Start Value for the Analog Output
93
Output Value Following Fault or SIMATIC STOP
94
Trace Recording Cycle
94
Trace Storage Method
94
DR 8 Date and Time
95
DR 9 Module Information
95
DR 10 Load Cell Parameters
96
Overview
96
Number of Support Points
97
DR 12 Ethernet Parameters
98
Load Cell Characteristic Value
98
Overview
98
Rated Load of a Load Cell
98
Device MAC Address
99
IP Address
99
Port MAC Address
99
Device Name
100
DR 13 RS485 Parameters
100
Gateway
100
Overview
100
Subnet Mask
100
RS485 Baud Rate
102
RS485 Character Parity
102
RS485 Number of Data Bits
102
RS485 Protocol
102
Decimal Place for Siebert Indicator
103
DR 14 Selection Process Value 1, 2
103
DR 15 Preset Tare
104
Overview
104
Preset Tare Weight 1
105
DR 16 Weight Simulation
105
Overview
105
Weight Simulation Specification
106
DR 17 Control Analogue Output
106
Overview
106
Analog Output Specification
106
DR18 Control Digital Outputs
107
Overview
107
Specification for Digital Outputs DQ.0, DQ.1, DQ.2, DQ.3
108
Transitions for Weighing Steps 0 to 7
108
DR 20 Single Set Point
109
Overview
109
Single Set Point
109
DR 21 Total Set Point
110
Overview
110
Total Set Point
110
DR 22 Tolerance Parameters
111
Overview
111
Parameter Relation
115
Tolerance Limit TH2
116
Tolerance Limit TH1
116
Tolerance Limit TL1
116
Tolerance Limit TL2
116
Behavior in Case of TH1 Error
116
Behavior in Case of TL1 Error
116
Pulse Duration for Pulse Post Dosing
116
Number of Not Controlled Weighings
117
Capture of Weighings into Statistics
117
DR 23 Material Parameters
118
Overview
118
Parameter Relation
119
Fine Weight
119
Trailing Weight
119
Blocking Time Coarse Signal
120
Blocking Time Fine Signal
120
Image 8-6 Trailing Weight
120
Shut-Off Correction Weight
121
DR 24 Controller and Filter Parameters
121
Overview
121
Parameter Relation
123
Type of Controller
123
Control Factor of Proportional Controller
123
Maximum Corrective Action
123
Controller Deadband - Upper Limit
124
Controller Deadband - Lower Limit
124
RS485 Modbus Address
103
RS485 Number of Stop Bits
103
Reaction When Max. Corrective Action Is Exceeded
124
Selection for Dosing Filter
124
Frequency Low Pass Filter 2
125
Order No. Low Pass Filter 2
125
Image 8-7 Step Response of Digital Low Pass Filter at F = 2 Hz
125
Adopt Corrected Fine/Trailing Value to DR 23 Automatically
126
Depth Average Filter
126
DR 25 Dosing Device Parameters
126
Overview
126
Coarse" Set Value for Analogue Output
128
Maximum Single Set Point
128
Fine" Set Value for Analogue Output
129
Maximum Automatic Tare Weight
129
Maximum Weighing Time
129
Minimum Automatic Tare Weight
129
Check Stop
130
Cycle Time for Automatic Zero Setting
130
Number of Weighings Without Automatic Taring/Zero Setting
130
Weighing Start Options
130
Automatic Emptying
131
Emptying Time
131
Maximum Emptying Time
131
DR 28 Additional Strings for Log
132
Overview
132
Strings 1, 2, 3 and 4
132
DR 29 Configuration of Technology Messages
133
Sting Selection for Automatic Logging
133
DR 30 Process State
135
Overview
135
Table 8- 27 Assignment of Data Record 30
136
Actual Weight of Last Dosing
140
Gross, Net and Tare Process Values
140
Gross, Net and Tare Weights
140
Gross/Net Process Weight 2
140
Gross/Net Weight X10
140
Refresh Counter
140
Totalizer 1 and Totalizer 2
140
Current Weighing Step
141
Date & Time
141
DR 31 Process State Extended
141
Overview
141
Youngest Protocol-ID
141
Digits Filtered by F1
143
Filtered Digit Value 2
143
Unfiltered Digit Value
143
Current Analog Output (Digits)
144
Current Analog Output (Ma)
144
Current Status Digital Input DI.0, DI.1, DI.2 and DI.3
144
Current Status Digital Output DQ.0, DQ.1, DQ.2 and DQ.3
144
DIP Switch 1 and 2
144
Refresh Counter
144
Current Load Cell Signal in MV
145
Current Fine Weight
145
Current Trailing Weight
145
Tolerance Limits TH2, TH1, TL1 and TL2
145
DR 32 Error Messages
145
Overview
145
Table 8- 29 Assignment of Data Record 32
146
Operating Errors, Technology Messages, Data/Command Errors
150
DR 34 ASCII Weight Display
150
Overview
150
Content of the Display String
150
DR 35 Securedisplay Data
151
DR 38 Min/Max Pointer
152
DR 39 Statistics
152
DR 41/42 Data Memory
154
DR 45 Protocol Request
155
Overview
155
Protocol ID to be Read
156
DR 46 Protocol Content
157
Overview
157
Oldest Report ID
158
Newest Report ID
158
Selected Protocol-ID
158
Protocol
158
Date, Time
159
DR 47 Logbook
159
DR 48 Date and Time 2 (for Modbus)
160
Errors and Messages
163
Message and Error Types
163
Message Paths
163
Evaluating Errors/Messages with the Help of SIWATOOL
164
Evaluating Errors/Messages with the Help of the Function Block
164
Evaluating Errors/Messages Using Modbus
164
Operating Errors
164
Technology Messages
165
Data and Command Errors
167
Data and Command Errors - Additional Information
172
Messages by Leds on the Module
177
Command Lists
179
Overview
179
Table 10- 1 Service Commands
180
Table 10- 2 Protocol Commands, Statistics, Logbook
181
Table 10- 5 Scale Commands
183
Command Groups of the SIWAREX WP251
184
Communication with SIMATIC S7-1200
185
Integration in SIMATIC S7-1200
185
General Information
185
Creating the Hardware Configuration
186
Image 11-3 Start Address of the Module
187
Calling of Function Block
188
Working with the Function Block
189
I/O Interface of Function Block
191
Error Codes of Function Block
192
Communication Via Modbus
193
Introduction
193
Principle of Data Transmission
193
Data Record Concept
194
Command Mailboxes
195
Reading Registers
195
Writing Registers
196
Operation Requiring Official Calibration
197
Preparing for Calibration
197
Calibration Set
197
Scale Design
197
Installation and Parameter Assignment of the Calibratable Securedisplay Main Display in the HMI
197
Parameterization of the Scale
198
Adjustment and Preliminary Checking of the Scale
198
Calibration Label
198
Verification
198
Checking of Parameters Relevant to the Verification
198
Checking of Parameters Relevant to the Device
200
Technical Specifications
203
Table 13- 10 Technical Specifications
206
Electrical, EMC and Climatic Requirements
207
Table 13- 13 Requirements: Interference Emission in Industrial Area in Accordance with en 61000-6-4
208
Table 13- 14 Requirements: Interference Immunity in Industrial Area in Accordance with en 61000-6-2
209
Table 13- 15 Operating Conditions in Accordance with IEC 60721
210
Approvals
211
Accessory
213
ESD Guidelines
215
A.1 ESD Guidelines
215
List of Abbreviations
217
B.1 List of Abbreviations
217
Index
219
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Siemens SIWAREX WP251 Specifications
General
Brand
Siemens
Model
SIWAREX WP251
Category
Accessories
Language
English
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