wms vs. wcs vs. wescdn.modexshow.com/seminars/assets-2018/1288.pdf · what is a wms? •a highly...
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© 2018 MHI® Copyright claimed for audiovisual works and sound recordings of seminar sessions. All rights reserved.
Presented by:
Jim Barnes
WMS vs. WCS vs. WES
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Today’s Agenda:
WMS, WCS and WES Defined
Day in the Life of an Order
Standard Interface Architecture
Case Studies
Questions
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What is a WMS?• A highly specialized business
application whose purpose is to control the flow of inventory into, within and out of a company’s distribution center (DC)– Four Walls
– Between Multiple DCs
– Enterprise Visibility
• WMS knows where all orders/inventory is at all times (Four Walls)
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A Real Time Environment
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Supporting a Real-Time Environment
Most WMSs incorporate
– Wireless Data Terminals (RF Devices)
– Bar-Coded Pallets, Cases and Item Labels
– Radio Frequency Identification Tags (RFID)
– Conveyor Systems / Material Handling Equipment
– Voice Enabled RF Devices
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What is a WCS?
• A Warehouse Control System (WCS)
is a real-time integrated control
solution that manages many types of
automated equipment: conveyor,
sorters, ASRS, Pick to Light,
Carrousels, Print and Apply
• WCS exchange real-time
communications (milliseconds),
command processing, discrete
equipment signals, and the
optimization of material (multiple
UOML: units, cartons and pallets)
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What is a WES?
• Warehouse Execution
Systems optimize and
balance how work is
performed on automated
equipment
• Warehouse Execution
Systems dynamically allocate
orders based upon WCS
inputs (machine language)
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WMS vs. WCS vs. WES Analogy
Tilt Tray Sorter
(Bones)
Conveyor
(Bones)
WMS
(Brain)
WCS
(Central Nervous System)
5 Senses:
Sight
Sound
Touch
Taste
Smell
ASRS
(Bones)
WES?Feed Back Mechanism
Machine
Control
Input & Output
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Warehouse Management Systems
• WMS Do Not control machine language (ladder logic and PLCs)
• WMS Do Not control machine controls (starters and motors)
• WMS Do Not control Put to Light, Sorters, Conveyors, Print and Apply and ASRS
• WMS Do Not track carton level LPNs on automation equipment
• WMS Do Not provide a GUI (ACAD) layout of your automation system
• WMS Do Not dynamically allocate or balance orders and replenishment inventory across an automated facility (typically no integration to automated equipment)
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Warehouse Control Systems
• WCS Do Not interface with Your ERP (typically, there are exceptions)
• WCS Do Not hard allocate inventory in reserve or forward pick locations
• WCS Do Not support wave management strategies
• WCS Are Not your inventory of record (4-walls inventory)
• WCS Do Not support extensive cycle counting and physical inventory Processes
• WCS Do Not support labor management and allocation
• WCS Do Not support Transportation Planning and Shipping Execution
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Warehouse Execution Systems
• WES Do Not manage all inventory locations within 4
Walls (typically, there are exceptions)
• WES Do Not support Transportation Planning and
Shipping Execution (typically, there are exceptions)
• WES Do Not support extensive cycle counting and
physical inventory processes
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WMS, WCS and Now WES Functionality
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WMS, WCS & Now WES Convergence
Host Interface
WMS
WCS
User Interface Host Interface
Manage Inbound POs & Receiving
Manage Outbound Orders & Shipping
Inventory, Storage & Location Management
User Interface
Reports Alerts
Equipment Communication & Control
Dynamically Managing Activity Execution Receiving, PutAway, Replenishment, Picking, Packing, Shipping
With Automated Equipment (Conveyor, Sorter, ASRS, MultiShuttles, Robots)
WES
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Today’s Agenda:
WMS and WCS Defined
Day in the Life of an Order
Standard Interface Architecture
Case Studies
Questions
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Day in the Life of an Order (pre WES)
ERP|OMS
Soft Allocation
WMS WCS
CO
N
SP
L
SP
L
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CO
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CO
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LS
PL
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L
CO
NC
ON
CO
NC
ON
CO
NC
ON
CO
NC
ON
SP
LS
PL
SP
LS
PL
SP
LS
PL
SP
LS
PL
CO
NC
ON
CO
NC
ON
CO
N
SP
LS
PL
SP
LS
PL
SP
L
CO
NC
ON
CO
N
SP
LS
PL
SP
L
KD
KD
KD
KD
KD
KD
KD
KD
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Hard Allocation
4 - Walls
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Day in the Life of an Order (w/ WES)
ERP|OMS
Soft Allocation
WMS WCS
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
CO
N
SP
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CO
N
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CO
N
SP
L
SP
L
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LS
PL
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PL
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LS
PL
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L
CO
N
SP
L
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L
CO
N
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L
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L
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
CO
N
SP
L
SP
L
SP
LS
PL
SP
LS
PL
SP
L
CO
NC
ON
CO
NC
ON
CO
NC
ON
CO
NC
ON
SP
LS
PL
SP
LS
PL
SP
LS
PL
SP
LS
PL
CO
NC
ON
CO
NC
ON
CO
N
SP
LS
PL
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LS
PL
SP
L
CO
NC
ON
CO
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KD KD
KD KD
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PRPR
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Hard Allocation
4 - Walls
WES
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Today’s Agenda:
WMS and WCS Defined
Day in the Life of an Order
Standard Interface Architecture
Case Studies
Questions
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Standard Interface Architecture
ERP/HOST
WMS/WES
SO Header
Detail
PO Header
DetailReceipt
DetailItem
Master
Shipment
DetailInventory
Adjustments
Interface Layer (Point to Point) or (ESB)
WCS Shipping ExecutionWES
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Today’s Agenda:
WMS and WCS Defined
Day in the Life of an Order
Standard Interface Architecture
Case Studies
Questions
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Case Study 1
• $800M Fashion Apparel Company
• Tier 1 WMS
• WCS Required for Put to Light and Conveyor
• However the WCS was used for discrete order picking…
• WCS assumed inventory was always in the forward pick
location and did not manage, allocate or control the
inventory
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Case Study 2
• $4B Shoe Retailer (Highly Automated)– Tier 1 WMS
• Managed IB Receipts
• Inventory Control
• Replenishment to the Tilt Tray
• Forward picking for accessory items
• Allocation
– WCS for Conveyor and Print and Apply• 8 inbound lanes with 2 to 1 merge
• Put-away loop with sortation
• 17 outbound lanes for pool point shipment
– Separate Controls for the Tilt Tray
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Lessons Learned
• Understand which (WMS vs. WCS) and now WES does best for your business...lines are getting blurred
• Understand how the physical movement of inventory (UOM) moves through your facility
• Manual vs. automated facility
• Use a solutions architect that knows both technologies….– Happy Path work flows but more importantly…..
– Exception Management
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Today’s Agenda:
WMS and WCS Defined
Day in the Life of an Order
Standard Interface Architecture
Case Studies
Questions