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Technical specifications for SM-APPLICATIONS
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Manufacturer:Emerson
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Product Category:Servo Drives
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Spare Part Number:SM-APPLICATIONS
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Weight:0.25 kg
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Tariff Code:8537101190
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Module function:Dedicated applications processor for a supported drive
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Module identity:Original SM-Applications; identification parameter 301
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Programming environment:SyPTPro; DPL, ladder and function block programming
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Execution model:Task-based real-time drive and process control
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Power source:Host drive internal power supply
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CTNet interface:High-speed network; up to 5 Mbit/s
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Serial interface:EIA-RS485; two-wire or four-wire
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Serial maximum rate:115200 bit/s
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Serial protocols:CT-ANSI slave; Modbus RTU and ASCII master/slave
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Digital inputs:2 × 24 V positive-logic inputs
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Digital outputs:2 × 24 V positive-logic outputs
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Output current:20 mA maximum; overload deactivates both outputs
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Inactive output state:Effectively floating
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Slot parameter menus:15, 16 or 17, according to drive slot
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Program slot alias:Menu 81
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Digital I/O parameter menu:Menu 86
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Synchronization:CTSync
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CTNet termination:82 ohm, 0.25 W at both ends with approved green CTNet cable
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CTNet network limit:255 nodes; segment and repeater limits depend on network design
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CTNet terminals:6: CTNet A; 7: shield; 8: CTNet B
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Digital I/O terminals:9: 0 V; 10: DI0; 11: DI1; 12: DO0; 13: DO1
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Digital input limit:Maximum applied input voltage ±30 V
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Input threshold:9.5 V ±0.3 V
Information
Overview
Downloads
Applications / Compatibility
Product Precautions
- Emerson SM-APPLICATIONS adds an independent application processor to a supported Control Techniques drive, allowing drive parameters, local digital I/O and networked equipment to participate in a task-based control program.
Processing: Dedicated applications processor
Networking: CTNet and EIA-RS485
Local I/O: Two digital inputs and two digital outputs
Networking: CTNet and EIA-RS485
Local I/O: Two digital inputs and two digital outputs
SyPTPro provides DPL, IEC 61131-3 based ladder and function block programming, together with parameter monitoring, breakpoints and single-step debugging. The module runs application-specific tasks from the drive internal power supply. Its slot configuration is accessed through drive menu 15, 16 or 17; menu 81 aliases the current slot within the application, helping preserve parameter references when the slot changes.
CTNet provides a high-speed communication path at up to 5 Mbit/s. The separate EIA-RS485 port supports CT-ANSI slave operation and Modbus RTU or ASCII master/slave operation at up to 115200 bit/s, using two-wire or four-wire connections. A program is required when the module acts as the serial master; network topology, cable, baud rate and termination must be designed together.
The module provides two 24 V digital inputs and two positive-logic digital outputs controlled through menu 86. Active outputs source up to 20 mA; inactive outputs are effectively floating, and an output overload deactivates both channels. CTSync supports synchronization between suitable drives. Preserve the original module identity and application revision when assessing a replacement, because the Plus and Lite variants have different capabilities.
CTNet provides a high-speed communication path at up to 5 Mbit/s. The separate EIA-RS485 port supports CT-ANSI slave operation and Modbus RTU or ASCII master/slave operation at up to 115200 bit/s, using two-wire or four-wire connections. A program is required when the module acts as the serial master; network topology, cable, baud rate and termination must be designed together.
The module provides two 24 V digital inputs and two positive-logic digital outputs controlled through menu 86. Active outputs source up to 20 mA; inactive outputs are effectively floating, and an output overload deactivates both channels. CTSync supports synchronization between suitable drives. Preserve the original module identity and application revision when assessing a replacement, because the Plus and Lite variants have different capabilities.
Controller platform reference: Control Techniques Solutions Modules. Match the drive, module and program revision.
Technical downloads for Emerson SM-APPLICATIONS: a manufacturer technical excerpt and an Apter Power installation and commissioning guide.
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Emerson SM-APPLICATIONS technical reference
Original manufacturer excerpt - PDF, 10 pages. Original SM-Applications identity, interfaces, installation, CTNet and digital I/O. -
Emerson SM-APPLICATIONS installation guide
Prepared by Apter Power - PDF, 5 pages. Host-drive preparation, terminal wiring, network setup, program verification and service records.
The technical reference preserves selected manufacturer pages. The installation guide is compiled by Apter Power for preparation and review; apply the original operating procedures and site controls during work.
Drive integration: Use SM-APPLICATIONS in a supported Control Techniques drive option slot with the applicable host firmware and application project.
Application boundary: The original module combines programmable processing, CTNet, RS485 and local digital I/O; a shared housing does not establish equivalence with Plus or Lite variants.
Application boundary: The original module combines programmable processing, CTNet, RS485 and local digital I/O; a shared housing does not establish equivalence with Plus or Lite variants.
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Drive sequencing
Execute application-specific DPL, ladder or function block logic alongside the drive control functions. -
Distributed CTNet systems
Exchange process data with suitable CTNet nodes using approved cable, correctly terminated segments and a coordinated baud rate. -
Serial device integration
Implement CT-ANSI slave or Modbus RTU/ASCII master or slave communication over the module RS485 interface. -
Local event and I/O handling
Read two digital inputs and control two positive-logic outputs through the user program, while respecting the output current limit.
Plan installation and commissioning around the exact module, host drive and application project. Apply the manufacturer electrical safety and network instructions.
Isolate the host drive
Disconnect the supply and observe the host drive discharge procedure before fitting or removing the module. Never use the module as a safety isolation device.
Retain the application
Save the SyPTPro project, drive parameters, module slot and firmware details before replacement or configuration changes.
Match the original variant
Confirm SM-Applications on the module label. Plus, Lite and Lite V2 have distinct hardware and software characteristics.
Terminate CTNet correctly
Use approved CTNet cable; fit 82 ohm, 0.25 W termination at both ends of the recommended green cable. Excess termination loads the network.
Respect digital output limits
Each active output is a 24 V positive-logic source rated up to 20 mA. An overload deactivates both outputs; an inactive output is floating.
Preserve insulation and routing
Follow the manual separation requirements for data and I/O circuits. Route communication cables away from drive power wiring and bond shields as specified.
Alternative Names
SM APPLICATIONS
SMAPPLICATIONS
Emerson SM-APPLICATIONS
Emerson SM APPLICATIONS
Control Techniques SM-APPLICATIONS
Technical notes
Installation: Fit the original SM-Applications in a supported drive option slot. Isolate the drive and follow its discharge procedure before insertion or removal; retain the installed program, slot and firmware record.
Network and I/O: Use the approved CTNet cable and its specified termination. RS485 supports two-wire or four-wire connections. The two positive-logic digital outputs supply up to 20 mA and float when inactive.
Technical reference: Control Techniques SM-Applications Modules and Motion Processors User Guide, 0471-0062-04, Issue 4. Specifications here apply to the original SM-Applications variant; the host drive instructions govern system installation and safety.
FAQ View All FAQ
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What does Emerson SM-APPLICATIONS add to a drive?It adds a dedicated processor for application-specific real-time tasks, together with CTNet, RS485 and local digital I/O. It is powered by the supported host drive internal supply.
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Which programming tools does SM-APPLICATIONS use?SyPTPro supports native DPL plus IEC 61131-3 based ladder and function block programming. Watch windows, breakpoints and single-step facilities assist commissioning.
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Which serial protocols does SM-APPLICATIONS support?The EIA-RS485 port supports CT-ANSI slave, Modbus RTU master/slave and Modbus ASCII master/slave operation. The maximum serial rate is 115200 bit/s; master operation requires the appropriate application program.
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How is the SM-APPLICATIONS slot addressed?The host drive uses menu 15, 16 or 17 according to the occupied slot. From the module application, menu 81 aliases the current slot. The original SM-Applications module identification value is 301.
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What local digital I/O does SM-APPLICATIONS provide?There are two 24 V digital inputs and two positive-logic digital outputs. Menu 86 controls the I/O; an active output sources up to 20 mA, while an inactive output is effectively floating.
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How should the CTNet cable for SM-APPLICATIONS be terminated?For the recommended Control Techniques green CTNet cable, fit an 82 ohm, 0.25 W resistor across the data pair at each end of the cable run. Use the approved cable and the CTNet design rules for segments and repeaters.
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Can SM-APPLICATIONS use both two-wire and four-wire RS485 connections?Yes. Both arrangements are supported, with wiring, line loading and termination selected for the network. The host PC or controller interface must provide the required transceiver control for its chosen arrangement.
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Is SM-APPLICATIONS identical to the Plus or Lite versions?No. The original, Plus, Lite and Lite V2 are separate variants. Compare the exact label, required interfaces, firmware, application project and host-drive support before considering a substitution.
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