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schmersal PSC1 Series User Manual
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Installation manual
for
PSC1 modules
Series
PSC1-C-100
PSC1-E-2x
PSC1-E-37
PSC1-E-13x
2
Table of Contents
Default Chapter
4
Table of Contents
4
1 Important Notes
7
2 Definitions
7
Reference Documents
8
Abbreviations Used
9
3 Safety Instructions
10
Intended Use
10
Usage in Regions with UL/CSA Requirement
11
General Safety Instructions
12
Operating and Service
13
Transport/Storage
14
Module Overview
15
Device Characteristic Data
16
Basic Modules
16
PSC1-C-100 (-Fbx (1) ) (-MC)
16
Central Expansion Modules
20
Expansion Module PSC1-E-21-SDM1
20
Expansion Module PSC1-E-22-SDM1-2
22
Expansion Module PSC1-E-23-SDM2
24
Expansion Module PSC1-E-24-SDM2-2
26
Expansion Modules PSC1-E-131 and PSC1-E-133
28
Decentral Expansion Module
31
Psc1-E-37
33
Optional Universal Communication Interface
34
Tech. Characteristic Data: Optional Universal Communication Interface
35
Using the Memory Card
36
Encoder Specifications
37
Derating Outputs
37
Marking
38
Type Plate
38
Items Supplied
39
4 Safety-Related Features
40
General Layout, Safety-Related Architecture and Characteristic Data
40
Safety-Related Characteristic Data and Circuitry for Sensors Connected
44
Digital Sensors
44
Characteristics of the Sensors / Input Elements
44
DC Digital Sensors/Inputs
45
Classification of the Safe Digital Inputs
49
Connection Examples, Digital Sensors/Safety Switch
51
Overview of Achievable PL for Digital Safety Inputs
56
Sensors for Speed And/Or Position Acquisition
58
General Safety-Related Layout of Sensor Interface for Position And/Or Speed
58
General Diagnostic Measures for Encoder Interface
59
Encoder Types and Their Combinations, Diagnostic Characteristic Data
60
Specific Diagnostic Measures in Relation to the Encoder Type Used
66
Safety-Related Shutdown Thresholds, Encoder Systems for Position and Speed Acquisition
67
Safety-Related Assessment of the Encoder Types and Their Combination
70
Safety-Related Characteristic Data and Circuitry for the Outputs
72
Characteristics of the Output Elements
72
Diagnostics in the Shutdown Circuit
74
Diagnostic Functions
74
Overview of DC in Relation to Selected Diagnostic Functions
75
Permissible Capacitive and Inductive Load on Safe Outputs
76
Digital Outputs
77
Example Circuits, Basic Outputs
79
Digital Outputs I/O (Iqqx)
86
Classification of the I/O (Iqqx) When Used as an Output
86
Example Circuits for Safe Digital Outputs I/O (Iqqx)
87
Overview of Achievable PL for Digital Safety Outputs
93
5 Connection and Installation
95
General Installation Instructions
95
Installation and Mounting PSC1 Module
96
Mounting Backplane Bus
96
Arrangement Examples
97
PSC1-C-100-Fbx + PSC1-E-23-SDM2
97
Psc1-C-100 + Psc1-E-24-Sdm2-2
97
Mounting the Modules
98
Mounting on C Rail
98
Mounting on Backplane Bus
99
Installation and Configuration of Master Master (SMMC) and Master Slave (SDDC)
100
Schematic Diagram of the Network Topology
101
Installation of I/O Expansion
102
Physical Address Configuration for the Slave Modules (Central/Decentral)
102
Terminal Assignment
103
Terminal Assignment PSC1-C-100 (-Fbx/-MC)
104
Terminal Assignment PSC1-E-21-SDM1
106
Terminal Assignment PSC1-E-22-SDM1-2
107
Terminal Assignment PSC1-E-23-SDM2
109
Terminal Assignment PSC1-E-24-SDM2-2
111
Terminal Assignment PSC1-E-131
114
Terminal Assignment PSC1-E-133
115
Terminal Assignment PSC1-E-37
118
Terminal Assignment PSC1-C-100-Fbx
119
External 24 VDC Power Supply
120
Connection of the External Encoder Supply
122
Incremental, HTL, SIN/COS, SSI
122
Resolver
124
Connection of the Digital Inputs
125
Connection of Position and Speed Sensors
126
General Instructions
126
Pin Assignment on the Encoder Interface
128
Connection Variants
129
Connection of an Absolute Encoder as Master
129
Connection of an Absolute Encoder as Slave
130
Connection of an Incremental Encoder with TTL Signal Level
131
Connection of a SIN/COS Encoder
132
Connection of Resolver as Master
133
Connection of Resolver as Slave
134
Connection of Proximity Switches
135
Connection of Htl/Proximity Switches
136
Configuration of the Measurement Sections
138
General Description of the Encoder Configuration
138
Sensor Type
138
Absolute Encoder
138
Incremental Encoder
140
Sinecosine Encoder - Standard Mode
140
Sinecosine Encoder - High-Resolution Mode
140
Proximity Switch
141
Extended Monitoring with 2 Proximity Switches
142
HTL Sensor
143
Resolver
143
6 Response Times of the Psc1
145
Response Times in Standard Operation
146
Response Times for FAST_CHANNEL
147
Response Times for Overspeed Distance Monitoring
147
Response Times When Using the Inputs and Outputs on the Expansion Modules
149
7 Commissioning
151
Procedure
151
Sequences for Switching on
151
Reset Behaviour
153
Reset Types and Triggering Element
154
Reset Timing
155
Reset Function
155
Example Reset Function with Protection against Incorrect Usage
157
LED Indication
160
Parameter Configuration
161
Function Check
161
Validation
161
8 Safety-Related Check
162
9 Maintenance
163
Modification / Dealing with Changes to the Device
163
Replacement of a Module
163
Servicing Interval
163
10 Technical Specifications
164
Ambient Conditions
164
Safety-Related Characteristic Data
164
11 Switch Types
165
12 Notes for Designing, Programming, Validating and Testing Safety-Related Applications
171
Risk Assessment
171
Technical Documentation Required
173
Steps Required for Designing, Realisation and Testing
174
Phases of the V Model
175
Specification of the Safety Requirements (Breakdown)
176
Specification of the Functional Safety System
179
Definition of the Safety Functions
179
Performance Level Required (Plr) (Additional Emergency Stop)
180
Example - Specification of the Safety Functions in Tabular Form
181
Software Specification
182
Hardware Specification
184
Selection of SRP/CS and Equipment
184
Examples for Hardware Specification
185
Consideration of Systematic Failures
186
Hardware and Software Design
188
Check of the Hardware Design
188
Iterative Check on the Safety Level Achieved
188
Verification of Software (Program) and Parameters
191
FUP Check
191
Validating FUP against IL and Parameters Using Validation Report
193
Performance of System Tests / FIT Test (Fault Injection Test)
195
13 Appendix
196
Appendix A - Categorisation of the Switch Types
196
CE - Declaration of Conformity
201
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schmersal PSC1 Series Specifications
General
Brand
schmersal
Model
PSC1 Series
Category
Industrial Equipment
Language
English
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