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Logix 3400MD Digital Positioner FCD LGENIM3404-00 – 9/09
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Contents
1 Terms Concerning Safety 4
2 General Information 4
3 Unpacking and Storage 4
3.1 Unpacking 4
3.2 Storage 4
3.3 Pre-installation Inspection 5
4 Logix 3400MD Positioner Overview 5
4.1 Specifications 7
4.2 Positioner Operation 7
4.3 Detailed Sequence of Positioner Operations 8
5 Mounting and Installation 10
5.1 Mounting to Valtek Linear Mark One Valves 10
5.2 Mounting to Standard Valtek Rotary Valves (See Figure 4) 10
5.3 Optional Valtek Rotary Mounting Procedure (See Figure 5) 11
5.4 NAMUR Mounting Option 12
5.5 Tubing Positioner to Actuator 12
6 Wiring and Grounding Guidelines (See Figure 6) 12
6.1 FF Command Input Wiring 13
6.2 Grounding Screw 13
6.3 Segment Compliance Voltage (See Figure 7) 13
6.4 Cable Requirements 14
6.5 Intrinsically Safe Barriers 14
6.6 DD Support 14
7 Startup 14
7.1 Logix 3400MD Local Interface Operation 14
7.2 Initial DIP Switch Settings 14
7.3 Description of Configuration DIP Switch Settings 14
7.4 Description of Cal DIP Switch Settings 16
7.5 RE-CAL Operation 16
7.6 Manual Jog Calibration Operation 16
7.7 Local Control of Valve Position 17
7.8 Factory Reset 17
7.9 Logix 3400MD Status Condition 17
7.10 Version Number Checking 18
7.11 375 Handheld Communicator 18
7.12 Device Description (DD) Files 18
7.13 Calibration 18
7.13.1 CALIBRATE_FLAGS 18
7.13.2 Control and Tuning 19
7.14 Alerts 20
7.14.1 FINAL_VALUE_CUTOFF 20
7.14.2 Effects of FINAL_VALUE_CUTOFF on Operation 20
7.14.3 Soft Limits 20
7.14.4 Travel Accumulator 20
7.14.5 Cycle Counter 21
7.14.6 Position Deviation 21
7.14.7 Advanced Features 21
7.14.8 Standard vs. Advanced Diagnostics 21
7.14.9 Temperature and Pressure Units 21
7.14.10 Stroke Length 21
7.15 Characterization Retention 21
7.15.1 Initiating a Valve Signature 22
7.15.2 System Preparation 22
7.15.3 Signature Procedure 22
7.16 Step Signature 22
7.16.1 Collection of Stored Signature 22
7.17 Glossary 22
7.18 Transducer Block Parameters 24
8 Maintenance and Repair 35
8.1 Driver Module Assembly 35
8.2 Regulator 38
8.3 Checking or Setting Internal Regulator Pressure 38
8.4 Spool Valve 39
8.5 Spool Valve Cover 39
8.6 Stem Position Sensor 40
8.7 Main PCB Assembly 41
8.8 Pressure Sensor Board 41
8.9 User Interface Board 42
9 Optional Vented Design 43
10 Parts List 44
11 Logix 3400MD Spare Parts Kits 45
12 Logix 3400MD Mounting Kits 46
12.1 Valtek Mounting Kits 46
12.2 Logix O.E.M. Mounting Kits 47
12.3 NAMUR Accessory Mounting Kit Part Numbers 47
13 Frequently Asked Questions 48
14 How to Order 49
15 Troubleshooting 50
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