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PRODUCT DESCRIPTION
6DD1688-0AD0 Serial communication interface submodule
Siemens 6DD1688-0AD0 is the SS4 serial communication submodule for SIMADYN D. It provides supported serial links for configured automation and drive-control communication, including documented DUST and USS arrangements.
The SS4 has a standard RS232 interface and supports specified adapter submodules for TTY, RS232 handshaking or RS485. Its front connector has 26 pins and its host connection has 48 pins. USS operates in the documented master role, with communication rate and termination dependent on the selected adapter and connected equipment.
The SS4 has a standard RS232 interface and supports specified adapter submodules for TTY, RS232 handshaking or RS485. Its front connector has 26 pins and its host connection has 48 pins. USS operates in the documented master role, with communication rate and termination dependent on the selected adapter and connected equipment.
BEFORE YOU BUY
Confirm the complete serial communication interface submodule
ACTUAL APPLICATIONS
Application context for 6DD1688-0AD0
Siemens 6DD1688-0AD0 is the SS4 serial communication submodule for SIMADYN D. It serves compatible automation in pulp and paper, metallurgy, manufacturing. Suitable use requires the documented companion hardware, electrical connections and configured production process.
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01 · PULP & PAPER
Paper Production and Industrial Material Converting
Paper Finishing and ConvertingPaper and Board Manufacturing -
02 · METALLURGY
Metal Production and Continuous Steel Processing
Steel Rolling and FinishingIndustrial Metal Material Converting -
03 · MANUFACTURING
Material Processing and Industrial Manufacturing Production
Industrial Material ManufacturingContinuous Material Process Converting
Technical specifications for 6DD1688-0AD0
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Product Model6DD1688-0AD0
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Product ParametersSerial communication interface submodule
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In stock5 units
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ManufacturerSiemens
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Standard electrical interfaceRS232
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Optional current-loop interface20 mA TTY through SS1
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Optional handshake adapterRS232 RTS/CTS through SS2
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Optional differential adapterRS485 through SS31
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USS roleMaster
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Maximum USS rate187.5 kbaud, configuration dependent
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Front connector26-pin
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Backplane connector48-pin
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5 V current0.4 A
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Positive 15 V current20 mA
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Negative 15 V current20 mA
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RS485 termination resistor150 Ω
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RS485 bias resistors390 Ω each
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RS485 data B assignmentPin 5 with SS31
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RS485 data A assignmentPin 17 with SS31
View all additional
Alternative Names
6DD1688-0AD0
SIMADYN D SS4 Serial communication interface submodule
D SS4 RS232 standard electrical interface
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 6DD1688-0AD0 serial communication interface submodule
Siemens 6DD1688-0AD0 is the SS4 serial communication submodule for SIMADYN D. It provides supported serial links for configured automation and drive-control communication, including documented DUST and USS arrangements.
Compare standard electrical interface (RS232), optional current-loop interface (20 mA TTY through SS1) and optional handshake adapter (RS232 RTS/CTS through SS2) with the installed SIMADYN D SS4 configuration. Match the supply connections and documented companion hardware before connection.
Use the applicable SIMADYN D SS4 instructions for wiring and commissioning. Test the affected functions of 6DD1688-0AD0, review its status indications and record the accepted settings with the equipment documentation.
Features:
- Standard electrical interface: RS232
- Optional current-loop interface: 20 mA TTY through SS1
- Optional handshake adapter: RS232 RTS/CTS through SS2
The 6DD1688-0AD0 serial communication interface submodule requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 6DD1688-0AD0 serial communication interface submodule
Replace 6DD1688-0AD0 only after matching its complete article, SIMADYN D SS4 role and installed interface configuration. Related order numbers do not establish interchangeability.
Record the existing serial communication interface submodule connections and preserve the configured SIMADYN D SS4 settings before removal. Photograph connector keying, cable labels and the supplied article identification.
After fitting the verified 6DD1688-0AD0, restore the documented settings and test the affected functions at a safe operating point. Retain its receiving inspection and functional acceptance results with the asset record.
Features:
- Standard electrical interface: RS232
- Optional current-loop interface: 20 mA TTY through SS1
- Optional handshake adapter: RS232 RTS/CTS through SS2
The 6DD1688-0AD0 serial communication interface submodule requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.
Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 6DD1688-0AD0 serial communication interface submodule must be checked for document applicability before installation or commissioning.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size2.2 × 7 × 18.4 cm
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Shipping weight0.20kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8538900000
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OriginGermany
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
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Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6DD1688-0AD0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Is RS485 built directly into the standard SS4 interface?
The standard interface is RS232; RS485 uses the documented SS31 adapter. -
Which adapter provides a 20 mA current loop?
The SS1 adapter provides the documented TTY current-loop interface for SS4. -
How is RTS/CTS implemented on an SS4 serial link?
The documented SS2 adapter supplies RS232 RTS/CTS handshaking. -
Can SS4 be configured as the USS master?
Yes. The hardware manual describes its USS master arrangement. -
What termination resistance is specified with SS31?
The documented RS485 data-pair termination is 150 Ω, with 390 Ω bias resistors. -
How many contacts are present on the SS4 front connector?
The SS4 front connector has 26 contacts. -
What serial configuration should accompany an SS4 spare request?
Include the fitted SS1, SS2 or SS31 adapter and the existing DUST or USS configuration. -
Which supplied adapter details should purchasing verify?
Confirm the requested serial adapter separately from the 0AD0 host submodule and inspect its connector condition.
READY TO VERIFY YOUR PART?
Get a 6DD1688-0AD0 quote with price, lead time and revision check.
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