Kromschroder FCU 500 - Converting Units

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FCU 500, FCU 505 · Edition 02.17 142

Technical data

18.7 Converting units

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Protective System Controls FCU 500, FCU 5051
Contents2
- Table of Contents2
1 Application5
- Application Examples8
2 Certification14
3 Function15
- Connection Diagram15
- Program Sequence19
- Animation22
4 Temperature Monitoring23
- High Temperature Operation with Safety Temperature Monitor Function (STM Function)24
- Maximum Temperature Monitoring with (Flue Gas) Safety Temperature Limiter26
- Function)26
  - With Integrated STL/FSTL26
  - With External STL/FSTL26
5 Air Control27
- Controlled Air Flow28
- Capacity Control29
6 Furnace Zone Control31
7 Valve Proving System33
- Tightness Control34
- Test Period T48
- Proof of Closure Function57
8 Bcsoft58
9 Fieldbus Communication Via Ethernet59
- FCU and Bus Module BCM60
- Configuration, Planning61
10 Program Step/Status69
11 Fault Signalling70
12 Parameters74
- Scanning the Parameters79
- Safety Limits79
- Safety Time During Operation T SB81
High Temperature Operation82
- Temperature Monitoring Mode82
- Thermocouple83
- Temperature Difference Limit Value83
- STM Limit Value (High Temperature Operation)84
- STL/FSTL Limit Value (System Protection)84
- Temperature Hysteresis85
- Pre-Purge During High Temperature Operation86
Air Control87
- Fan in the Event of Fault87
- Fan Run-Up Time T GV87
- Fan Ready for Operation87
- Air Monitoring During Controlled Air Flow88
- Pre-Purge Time T PV88
- Air Flow Monitoring During Pre-Purge89
- Post-Purge Time T89
- Air Flow Monitoring During Post-Purge90
- Capacity Control91
- Running Time Selection100
- Running Time100
- Controller Enable Signal Delay Time T RF101
- Minimum Enable Time101
- Burner Operating Signal101
- Controller Enable Time Limit102
- Capacity Control (Bus)103
Valve Check108
- Valve Proving System108
- Relief Valve (VPS)108
- Tightness Control Test Volume109
- Pressure Reduction110
- Opening Time Relief Valve V3110
- Measurement Time110
- Valve Opening Time 1 T112
- Valve Opening Time 2 T112
- And V112
Behaviour During Start-Up113
- Minimum Pause Time T113
- Switch-On Delay Time T MP E113
- Filling Time before Start-Up113
- Manual Mode114
  - Operating Time in Manual Mode114
- Functions of Terminals 51, 65, 66, 67 and115
- Password118
- Fieldbus Communication118
13 Selection119
- Type Code119
14 Project Planning Information120
- Installation120
- Commissioning120
- Electrical Connection121
  - Ocu121
  - Safety Current Inputs122
- High Temperature Operation123
- Safety Temperature Monitor (STM)123
- Safety Interlock Output127
- Actuators129
  - IC 20129
- Air Control129
- Parameter Chip Card130
- System Leak Tightness Check130
15 Accessories131
- Bcsoft131
  - Opto-Adapter PCO 200131
  - Bluetooth Adapter PCO 300131
- Ocu131
- Connection Plug Set132
- Stickers for Labelling132
- Changed Parameters" Stickers132
16 Ocu133
- Application133
- Function134
  - Manual Mode135
- Electrical Connection135
- Installation136
- Selection136
- Technical Data for OCU136
17 Bcm 500137
- Application137
- Function137
- Electrical Connection137
- Installation138
- Selection138
- Technical Data138
18 Technical Data139
- Electrical Data139
- Mechanical Data140
- Environment140
- Fcu140
- Dimensions140
- Safety-Specific Characteristic Values141
- Converting Units142
19 Maintenance143
20 Legend144
21 Glossary145
- Safety Shut-Down145
- Fault Lock-Out145
- Warning Signal145
- Timeout146
- Lifting146
- Diagnostic Coverage DC146
- Operating Mode146
- Safe Failure Fraction SFF147
- Probability of Dangerous Failure PFHD147
- Mean Time to Dangerous Failure MTTF D147
Feedback148
Contact148

Kromschroder FCU 500 - Converting Units

Table of Contents

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