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AS-Interface Communication Solution for Discrete Devices

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Presentation on theme: "AS-Interface Communication Solution for Discrete Devices"— Presentation transcript:

1 AS-Interface Communication Solution for Discrete Devices
Day 2 Training - Technical Sept. 18, 2008 AS-Interface Communication Solution for Discrete Devices Process Networking (B)

2 Day 2 Training - Technical
Sept. 18, 2008 AS-i Benefits Ideally Suited for On/Off Valves Up to 124 Field Devices per Master/Gateway Simple Electronics for Reliable Robust Performance Power & Data Over 2-Wire Unshielded CableFree Choice of Network Topology Robust Performance in Severe Environments Easy to Install Providing Greatest Cost Savings With Least Complexity Complements Higher Level Networks Process Networking (B)

3 AS-Interface Benefits
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Benefits Readily Adaptable to most DCS/PLC/PC Use Standard Hazardous Area Wiring Minimal Training, Easy to Understand and Install Network can be pre-assembled and tested prior to on-site arrival Process Networking (B)

4 AS-Interface vs. Conventional
Day 2 Training - Technical Sept. 18, 2008 AS-Interface vs. Conventional Conventional AS-Interface Valve Monitor & Solenoid $ $ 610 Conduit & Wiring $ $ 300 I/O (Cnvntnl); Gateway (AS-i) $ $ 100 Power Supply $ $ 50 Installation Labor $ $ 200 Total Installed Cost $1, $1,260 Installation Savings of $ per valve or 34%!!! Process Networking (B)

5 AS-I Saves Money! AS-Interface Cuts Project costs by:
Day 2 Training - Sales Sept. 18, 2008 AS-I Saves Money! AS-Interface Cuts Project costs by: Eliminating I/O Cards Saving Cabinet space Drastically Reducing Required Cable and Conduit Process Networking (B)

6 AS-I Saves Time! AS-Interface Cuts Project time by:
Day 2 Training - Sales Sept. 18, 2008 AS-I Saves Time! AS-Interface Cuts Project time by: Reducing Engineering time Reducing Installation time due to: Wiring Labeling Commissioning Testing Process Networking (B)

7 AS-Interface Origins Standard Introduced by Sensor Manufacturers in 1994 (Turck, P+F, Efector, Siemens and Others) Ideally Suited for Integration into Proximity Sensors Designed for Mission Critical Applications Over 13,000,000 Installed Field Devices AS-i accepted World-Wide - CENELEC EN Standard - IEC Standard

8 AS-Interface Signal Exceptional Noise Immunity
Performs Reliably Even in Strenuous Environments Maximum Scan Time of 5 milliseconds for 31 devices (.125 milliseconds/device for discrete; multiple scans for analog or 4 x .125 milliseconds = .5 milliseconds)

9 AS-i Addressing Each Field Device Has a Defined Address
Day 2 Training - Sales Sept. 18, 2008 AS-i Addressing Each Field Device Has a Defined Address Field Device Addressed Off Line with Hand Held Field Device Addressed On Line by Master Addresses are Unique on Each String (Set of Devices on One Master) Standard addressed from 1 to 31; Extended addressing 1a to 31a & 1b to 31b (62 devices!) Process Networking (B)

10 AS-Interface Topologies
Linear with Spur Power Supply Master Tree Power Supply Master

11 AS-Interface Topologies
Ring Power Supply Master

12 AS-Interface Network Higher Level Bus Power Supply Master/Gateway
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Network Higher Level Bus Power Supply Master/Gateway AS-Interface Bus Slave (Field Device) Power Supply Repeater Process Networking (B)

13 StoneL AS-I Gateways Durable Stainless Steel Housing Graphical display
Duplicate address detection Available in: - Profibus DP - Modbus - DeviceNet - Ethernet And more ETL approved for Class I Div 2 in Nema 4 enclosure

14 Networking AS-Interface
Day 2 Training - Sales Sept. 18, 2008 Networking AS-Interface PLC/DCS with DeviceNet, Profibus or Modbus Scanner Controller ProfibusDP, DeviceNet, Modbus, Modbus+ Emerson DeltaV Foxboro Modicon Yokogawa GE Fanuc Omron Allen Bradley Cutler Hammer Honeywell Moore …And many more Gateway AS-I Power Supply To AS-I Network Process Networking (B)

15 StoneL PLC AS-I Masters
PLC AS-I Master for Allen Bradley SLC dual channel AS-I Master for Allen Bradley CompactLogix / MicroLogix AS-I Master for Allen Bradley ControlLogix – Dual Channel

16 Networking AS-i PLC/DCS with AS-i Scanner Allen Bradley Siemens
Day 2 Training - Sales Sept. 18, 2008 Networking AS-i PLC/DCS with AS-i Scanner Allen Bradley Siemens Emerson DeltaV Modicon SquareD GE Fanuc Wago Beckhoff Omron Mitsubishi AS-I Power Supply To AS-I Network (No Gateway Required) Process Networking (B)

17 StoneL AS-I Power Supplies
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I Power Supplies Power Supplies Provide Voltage and Current to AS-Interface Network (30.5VDC ) (Decoupled to Prevent Signal Interference) Available in 2.8 and 8.0 Amp and Dual Channel 4.0 Amp 1 required for each AS-I network and 1 for each repeater 2.8 Amp FM & CSA Approved for Class 1 Division 2 Hazardous locations Process Networking (B)

18 StoneL AS-I Power Conditioners
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I Power Conditioners Power Conditioners Provides the data decoupling functions Useful for Networks where redundant power supply is desired Can enable user to power multiple networks from a single AS-I Power supply Useful for remote placement of power supply Process Networking (B)

19 AS-Interface Network Power
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Network Power Power Conditioner Application examples Process Networking (B)

20 StoneL AS-I Network Extension Tools
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I Network Extension Tools Repeater Allows extension of network by 100m (328ft) Requires additional power supply Can be remote mounted in FieldRack enclosure Allows devices on both sides of the repeater No more than 2 repeaters in series (total of 300m or 984ft) Process Networking (B)

21 AS-Interface with Repeater
Power Supply Master Repeater

22 StoneL AS-I Extension Tools
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I Extension Tools AS-I Network Terminator Extend AS-I Networks beyond 100m Passive termination improves signal quality Cannot use loop topology AS-I Network Tuner Active Adjustable Termination improves signal quality Process Networking (B)

23 StoneL AS-I Wiring 2 Wire Unshielded - Untwisted 16 Gauge (2x1.5mm2)
Length of 100 meters (330 feet) Additional Length of 100 Meters per Repeater (Maximum of 2 Repeaters) Total Length of 300 meters or 984 feet

24 StoneL AS-I Wiring Aids
Direct mount Protected & Passive Drop Connectors - Drop Leg Fault Protection - Easy Wiring - Direct mount type for JM or in customer’s enclosure Disconnect Switch Tee - Drop Leg Fault Protection Standard - De-energize drop leg Quickly & Conveniently

25 AS-Interface Drop Connectors
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Drop Connectors Passive Double Drop, (1-2) - Multi Drop, DIN (1-4, 1-6) Protected mA, Single Drop (1-1) Multi Drop, DIN (1-4, 1-6) Switched Protected mA, Single Drop (1-1) Multi Switched Drop, DIN (1-4, 1-6) Process Networking (B)

26 AS-Interface Drop Connectors
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Drop Connectors New Din Rail mount Drop connector - Six (6) Device Drops Passive Protected Switched - LED indicates - Bus Power - Drop Power - Drop Short Circuit - Drop Leg Fault Protection - Din Rail mount - De-energize individual drops Process Networking (B)

27 StoneL AS-I Wiring Aids
Junction Module (JM) - Rated for Class I & II, Div 1 & 2; No Seal-offs - Houses Tees or Disconnect Switch - Lock-Out Tag Out Feature on Disconnect Switch

28 AS-Interface Wiring Aids
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Wiring Aids FieldBlock (FN) - Anodized Aluminum Enclosure is Durable and Corrosion Proof - Suitable for use in heavy wash down and submersible applications with NEMA 4, 4X and 6 ratings - Multiple Connector or Cable Gland Options Conveniently Interface with Flexible Wiring Systems - Compact Design Minimizes Space Requirements Process Networking (B)

29 AS-Interface Wiring Aids
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Wiring Aids Bus Protection Module (BPM) Drop short circuit protection - Field device will be disconnected from the network, network will not be affected. Trunk short circuit protection - Bus offline temporarily but the BPM will isolate the short and disconnect it from the bus. - On-board LEDs indicate the problem and location Direct mount to Axiom Process Networking (B)

30 AS-Interface Wiring Aids
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Wiring Aids Master Bus Protection Module (MBPM) Connects the Master / Gateway to the ring Same Function as the BPM DIN Rail Mount Process Networking (B)

31 AS-Interface Wiring Aids
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Wiring Aids Bus Protection Module (BPM) Requires Ring Topology Limited to 15 Devices per ring Best with “Fail In Last Position” pneumatic actuated valves Master BPM Power Supply Master Process Networking (B)

32 AS-Interface Wiring Aids
Day 2 Training - Sales Sept. 18, 2008 AS-Interface Wiring Aids Bus Protection Module (BPM) - Trunk shorts are detected by BPM and segment is isolated - Network remains fully functional Short Circuit Master BPM Power Supply Master Process Networking (B)

33 StoneL AS-I Handheld Addressing Unit
- Simple operation - Low cost - Convenient for use in the Shop or in the Field

34 StoneL AS-I VCTs Valve Communication Terminal 4DI/2DO
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I VCTs Valve Communication Terminal 4DI/2DO - 2 Integral Proximity Sensors (DI) with LED Indication - 2 Auxiliary inputs (DI) - 2 Solenoid Outputs (4 Watts Total Power) AS-Interface Watchdog Process Networking (B)

35 StoneL AS-I I/O Modules
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I I/O Modules Discrete I/O Modules 4DI / 4DO Module with solenoid outputs (4Watts total) 4DI / 4DO Module with 2 relay outputs Available in JM or FieldBlock Enclosures Available in JM with Integral Solenoid Valve Process Networking (B)

36 StoneL AS-I Analog Modules
Day 2 Training - Sales Sept. 18, 2008 StoneL AS-I Analog Modules Analog Input Modules 4 Analog Inputs (4-20mA) or (4) Thermocouple Inputs 16 bit resolution .1% LED Indication (Power Status and Input Status) Din Rail mount available in IP20 or IP65 Requires AS-I 2.1 version Master! Analog Output Modules 4 Analog Outputs (0-20mA) Process Networking (B)

37 StoneL AS-I Commissioning Kit
Commission Devices (Set Address) Commission Networks (Configure addresses, test communication) Troubleshoot and Diagnose Network Problems Test AS-Interface Devices (Read Inputs, Force Outputs) A Must for Bench Testing AS-i VCT’s

38 AS-i Network Layout and Design Tips
Buy 100m Spools of Wire . Use this to confirm that your network does not exceed 100m Use Repeaters to Extend cable length Use passive drop connectors for branching circuits Use Short circuit protection for field devices Remember, only 1 AS-I device per protected drop.

39 Application Questions
What is the maximum number of AS-I devices that can be connected to a Gateway? What is the maximum length of an AS-I network? StoneL offers short circuit protection devices for AS- Interface. At what current do they trip? I want to use a AS-I Dual Channel gateway to Control/Monitor 46 VCTs, I will need 2 repeaters on each channel to reach all of my devices. How many AS-I power supplies will I need?

40 AS-Interface Communication Solution for Discrete Devices
Day 2 Training - Technical Sept. 18, 2008 AS-Interface Communication Solution for Discrete Devices Process Networking (B)


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