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PCA1.M41

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SAIA PCA1.M41 is the basic CPU module for the PCA14 programmable-controller system, providing compact control with expandable I/O support.
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Technical specifications for PCA1.M41

  • Manufacturer:
    SAIA
  • Part Number:
    PCA1.M41
  • Product Family:
    SAIA
  • Product Type:
    PCA14 Basic Module / CPU Including Housing
  • Stock:
    1
  • System:
    PCA14
  • Module Role:
    Basic module / CPU including small housing
  • Processor:
    8085.2 microprocessor
  • Maximum I/O Addresses:
    32 in the PCA141 compact system; up to 56 with the documented PCA1.C45 expansion arrangement
  • Plug-In I/O Capacity:
    Four I/O modules in the small housing
  • Average Cycle Time:
    70 µs per program line
  • Serial Interface:
    20 mA current loop, active or passive according to wiring
  • Serial Standard:
    DIN 66019
  • Baud Rate:
    110 to 9600 baud
  • Retentive Backup:
    Internal rechargeable battery supports retained flags, timers, counters and RAM data
  • Dimensions:
    30.0 × 24.0 × 7.8 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Switzerland
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals System Fit Memory and Backup Communication Application
  • Basic CPU module including the small housing for the PCA14 system
  • Supports four plug-in I/O modules and up to 32 I/O addresses in PCA141
  • Provides battery-backed user data and a 20 mA serial current-loop interface

SAIA PCA1.M41 forms the processor and housing foundation of the compact PCA14 programmable-controller system.

The official PCA1 hardware manual documents its processor, memory organization, I/O capacity, serial connection, backup supply, and front-panel controls.

Replacement requires preserving the complete application and installed I/O arrangement rather than treating the housing as an independent passive chassis.

Availability, condition, price, and shipping time for SAIA PCA1.M41 are confirmed during quotation.

SAIA PCA1.M41 Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Use PCA1.M41 in the documented PCA14 small-housing arrangement
  • Confirm all four plug-in I/O positions and address allocation
  • Verify any PCA1.C45 expansion housing before transferring the application
  • Back up the user program and text memories before replacement
  • Preserve retained flags, timers, counters and RAM contents
  • Check battery condition before extended power removal
  • Confirm active or passive 20 mA current-loop wiring
  • Retain the DIN 66019 communication parameters
  • Match the configured baud rate within the documented 110–9600 range
  • Compact PCA141 control systems using up to four plug-in I/O modules
  • Expanded PCA147 installations using the documented PCA1.C45 housing
  • Legacy machine-control systems using SAIA 20 mA serial communication
Description
SAIA PCA1.M41 is the basic CPU module, including the small housing, for the PCA14 programmable-controller system.

The compact PCA141 arrangement supports four plug-in I/O modules and up to 32 I/O addresses; the official manual also documents the 8085.2 processor, battery-backed user data and serial current-loop communication.

Before replacement, confirm the PCA14 system variant, installed I/O modules, program and text memories, serial-interface wiring, operating-mode settings and retained application data.
Alternative Names
PCA1.M41 PCA1 M41 PCA1M41 SAIA PCA1.M41 SAIA-Burgess PCA1.M41 SAIA Burgess Controls PCA1.M41
Technical notes
SAIA PCA1.M41 replacement requires the PCA14 housing, I/O layout, program and text memories, battery-backed data and 20 mA serial wiring to match; `M4` is not a model suffix.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can a replacement SAIA PCA1.M41 be installed without reloading the original application?
Do not assume so. Back up the user program, text memory and retained data, then restore and validate the application before returning the controller to service.
What should be backed up before replacing SAIA PCA1.M41?
Preserve the user program, text memory, retained data, operating-mode settings, serial configuration and the installed I/O-module layout.
Can SAIA PCA1.M41 be replaced by PCA1.M47 without checks?
No direct interchange should be assumed. Confirm the PCA14 system variant, memory arrangement, connected I/O and expansion housing before substitution.
What should be checked before moving the existing I/O modules to SAIA PCA1.M41?
Record every module type, slot position, address assignment and field-wire connection, and verify the complete PCA14 housing and expansion arrangement before transfer.
Does SAIA PCA1.M41 retain data when power is removed?
The official design includes battery-backed retention for defined flags, timers, counters and RAM data; battery condition must be checked before power-down.
Can a modern programming computer connect directly to SAIA PCA1.M41?
Do not connect it directly unless the required 20 mA current-loop interface and cable arrangement are present; verify the programming adapter and communication settings first.
What information should be supplied when requesting SAIA PCA1.M41?
Provide the controller label, installed memory devices, I/O-module list, expansion housing, serial connection details and photographs of the front panel and wiring.