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Technical specifications for 6DS1618-8CA
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Manufacturer:Siemens
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Product Category:DCS Systems
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Spare Part Number:6DS1618-8CA
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Estimated shipping dimensions:24.3x18x3cm
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Weight:0.66 kg
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Tariff Code:8537101190
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Counliy of origin:Germany
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Product family:TELEPERM M / AS 235 H
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Module type:Testable binary input module (PBE)
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Driver context:PBE function block
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Fault feature:Special hardware-fault detection procedures
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Supported structures:1-out-of-1, 1-out-of-2 and 2-out-of-2
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1-out-of-2 interpretation:Binary values from two modules are ORed
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2-out-of-2 interpretation:Binary values from two modules are ANDed
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Configuration responsibility:User provides the OR and AND interconnection
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Documented example width:16 binary values from each of two PBE drivers
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Fault-routing signal:Module fault signal BGF
Information
Overview
Manuals
Common Applications
Product Precautions
Siemens 6DS1618-8CA supplies the testable binary-input path for the AS 235 H PBE driver and supports 1-out-of-1, 1-out-of-2 and 2-out-of-2 configurations.
- Uses the PBE driver context for testable binary inputs.
- Adds special procedures for rapid hardware-fault detection.
- Supports 1-out-of-1, 1-out-of-2 and 2-out-of-2 interpretation.
- Requires user-configured OR or AND logic and retained binary-value addressing.
Redundant binary values are ORed for 1-out-of-2 operation and ANDed for 2-out-of-2 operation, with the interconnection created by the user during configuration. A 16-value processing example uses the module-fault signal to select a faultless path when required.
Important Notice: preserve the complete 6DS1618-8CA identity, PBE driver assignment, binary-value addresses, redundancy logic and module-fault routing before replacement.
Siemens 6DS1618-8CA Manuals & Downloads
Siemens 6DS1618-8CA Official AS 235 H Manual Excerpt (PDF)Siemens 6DS1618-8CA Installation & Commissioning Guide (PDF)
The documents separate exact product evidence from the field sequence for identity, isolation, installation, verification and controlled handover.
Redundant binary acquisition
Interprets paired binary signals through the configured 1oo2 or 2oo2 logic.
Hardware-fault isolation
Uses PBE diagnostics and the BGF module-fault signal to identify the faultless path.
AS 235 H maintenance
Restores exact binary-value addresses, driver pairing and configuration logic.
Critical input verification
Checks every affected binary state before enabling dependent process logic.
Apply these checks to the exact Siemens 6DS1618-8CA position before isolation, replacement or release.
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Confirm the complete Siemens 6DS1618-8CA marking before work.
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Place every dependent binary function in the approved maintenance state.
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Record both PBE drivers, binary-value addresses and the selected structure.
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Document the user-configured OR or AND interconnection before removal.
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Preserve the BGF module-fault routing and its downstream selection logic.
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Restore the exact 1oo1, 1oo2 or 2oo2 arrangement for this position.
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Review PBE and hardware-fault indications after controlled energization.
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Prove every affected binary state before returning the process to service.
Technical notes
Inhibit dependent logic and capture both PBE addresses, OR/AND structure and BGF routing before exchange. After energization, compare every binary state across the retained redundancy path.
FAQ View All FAQ
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What function does Siemens 6DS1618-8CA provide?It is the AS 235 H testable binary input module used with the PBE driver block.
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Which structures can Siemens 6DS1618-8CA use?It supports 1-out-of-1, 1-out-of-2 and 2-out-of-2 structures.
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How does Siemens 6DS1618-8CA interpret a 1-out-of-2 pair?Binary values from the two modules are ORed by user-configured logic.
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How does Siemens 6DS1618-8CA interpret a 2-out-of-2 pair?Binary values from the two modules are ANDed by user-configured logic.
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How many binary values appear in the Siemens 6DS1618-8CA redundancy example?The example reads 16 binary values from each of two PBE drivers.
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Which fault signal can route Siemens 6DS1618-8CA data between redundant paths?The BGF module-fault signal provides that routing input.
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What must be recorded before replacing Siemens 6DS1618-8CA?Record the PBE drivers, binary-value addresses, redundancy structure, OR or AND logic and BGF routing.
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What verifies Siemens 6DS1618-8CA after installation?Review PBE diagnostics and prove every affected binary state and redundant path.
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