Welcome to the Industrial Automation website!

Product
Article
NameDescriptionContent
XING-Automation
E-mail  
Password  
  
Forgot password?
  Register
HOME ⊙ ABB ⊙ ABB IMASI23 module
当前位置：

ABB IMASI23 module

F: | Au:FAN | DA:2025-05-15 | 1357 Br: | 🔊 点击朗读正文 ❚❚ ▶ | Share:
Each input channel has an A/D converter (delta-sigma type).
Isolation is done by DC/DC converters (one per channel) and optocouplers on the digital serial line of the A/D converter.
Each channel accepts voltage and resistance inputs. Resis tance measurements are made by digitizing the voltage drop created across the input resistance source.
A precision constant current source supplies the current used to measure the input.


Cold Junction Reference

The ASI module measures the cold junction RTDs on the termination unit of the analog input module. 

This results in an accurate reading of the ambient temperature at the field wire termination area.

This value can be used by the ASI module to compensate for voltages generated from the bimetal
connections made by terminating the field wires (thermocouple wires) onto the terminal blocks of the termination unit.
The block address of the cold junction reference used by ther mocouple inputs on the ASI module is contained in FC 215, specification S3.

Each analog input module configured for a thermocouple input requires a cold junction reference. 

Each analog input module can only have one reference which can be used by up to 16 thermocouple inputs.

The exception to this is when one of the inputs is used as a remote cold junction reference.


Refer to Section 4 for more information

Digital Input Multiplexer (MUX)

Once isolated, digitized, and buffered, the input signal is sent to the microcontroller by a digital multiplexer. 

All the inputs, including the references and cold junction input, are multi plexed as shown in Figure 2-1.

Microcontroller and Memory
The onboard microcontroller coordinates ASI functions.
The main functions are:
• Channel and cold junction reference switching.
• Programming A/D converters.
• Reading the A/D converters and applying all necessary cor
rection factors.
• Interfacing to switch and LEDs (used for diagnostic mode).
• Background integrity checking.
• Reading and writing expander bus data through dual port


RAM (DPRAM)

Switch Settings
The ASI module has one eight-position dipswitch to select the I/O module address on the I/O expander bus.
This switch also selects built-in diagnostics for stand alone testing LED Indicators
The ASI module has two LED indicators, one red and one green, which show the operating status. The LEDs will:
• Flash red on power-up.
• Remain off (both LEDs) after passing onboard diagnostics until the ASI module is configured by the controller.
• Show solid green after the controlling controller downloads configuration data.
• Show solid green during normal running.
• Blink green when the controller that configured the ASI module enters configure mode from execute mode.
• Blink green if I/O expander bus communication is lost (if the controller is removed).
• Show solid red if a fatal failure of the ASI module occurs.
For example, if power up diagnostics fail.
• Show solid red for a power fail interrupt (PFI).


I/O Expander Bus

The I/O expander bus is a high-speed, synchronous, parallel bus. It provides a path between controllers and I/O modules.
The controller sends control functions to the ASI module, and the ASI module provides input data to the controller.
The P2 card edge of the ASI module and controller connect to the bus.
The I/O expander bus is parallel signal lines located on the module mounting unit backplane.
A 12-position dipshunt placed in a socket on the MMU backplane connects the bus between the controller and I/O modules.
Cable assemblies can extend the bus to eight module mounting units.

A controller and its I/O modules form a subsystem within a Harmony control unit (HCU). 

The I/O expander bus between control and I/O subsystems must be separated.

Leaving a dipshunt socket empty or not connecting the module mounting units with cables separates them


I/O Expander Bus Interface

The ASI module communicates with the controller through a shared memory interface connected to the I/O expander bus.
The ASI module constantly updates the shared memory device (dual port RAM) with the current values of the inputs.
The controller can read these values at any time, even if the ASI module is simultaneously writing to the dual port RAM.
The ASI module uses a custom gate array for the I/O expander bus interface. An integrated circuit holds all the control logic and communication protocol. This integrated circuit provides these functions:
• Address comparison and detection.
• Message decoding and translation.
• Data line filtering of bus signals.
• Onboard bus drivers.
• Expander bus watchdog.
A dual port RAM stores data that can be accessed at the same time by the controller and the I/O module's microcontroller.
Data Values
For all inputs, channel values are adjusted based on the factory calibration. Thermocouple inputs receive cold junction reference compensation. Lead wire resistance adjustments are performed when necessary (for cold junction reference only).
The ASI module provides values to the controller over the I/O expander bus. These values are in engineering units.
The ASI module sends a status indication to the controller for each input channel. This status indicates any hardware errors and channel configuration errors detected by the ASI module.
  • ETEL ILM03-060-3RA-A00 Linear Motor
  • ETEL EA-S0M-300-40/80A-0090-00 Power Supply Module
  • Etel DSCDP131-111-000 Position Controller
  • ETEL DSC2P121-111E-001A Digital Servo Amplifier
  • ETEL DSB2P101-121E-009H Position Controller
  • ETEL IWM040-0128-00 Ironcore Linear Motor Magnetic Way
  • ETEL AccurET EA-S0M-400-40/80A-0000-00 Modular Power Supply
  • ETEL LMC11-050-3TA-S10C Motion Controller
  • ETEL LMC11-050-3TA-250A Controller Module
  • ETEL DSB2P101-121E-009H Digital Servo Amplifier Position Controller
  • ETEL AccurET Modular 400 Position Controller
  • ETEL DSA2 Digital Servo Amplifier
  • ETEL DSC2P154-421-000 Servo Drive
  • ETEL DSO-PWS121-003 Power Supply Module
  • ETEL 0348M-070-02D-004 Linear Encoder
  • ETEL DSC2P131-111-000 Linear Servo Amplifier – 10Arms/30Arms
  • ETEL DSC2P131-121-000 Digital Servo Amplifier
  • ETEL DSB2P131-111E-000H Digital Servo Amplifier
  • ETEL DSO-PWS111-000 Power Supply Module
  • ETEL LMC11-050-3TA-S41C Linear Motor Module – High Thrust Density
  • ETEL EA-P2M-300-07/15A Drive Specs
  • ETEL DSO-RAC200A-011D Dual Position Controller Rack
  • ETEL Short-Stroke Actuator ID809786-03
  • ETEL DSCDM332-111-000 Servo Controller Specs
  • ETEL DSCDL332-131-000A Position Controller
  • ETEL LMP07-100-3TAS-229 Linear Motor
  • ETEL LMA11-120-3ZA-359C Linear Motor
  • ETEL DSA2S211ZA-018A Digital Servo Amplifier
  • ETEL EA-P2M-300-07/15A AccurET Controller
  • ETEL LMB06-050-2QA-239B Linear Motor Guide
  • ETEL DSCDP334‑421‑000 Servo Drive – High‑Power Digital Controller Positioner
  • ETEL DSCDP121‑111E‑000A Dual Driver Board – High‑Density Motion Control Module
  • ETEL DSA2 S1B22A Digital Servo Amplifier – High‑Efficiency Drive for Industrial Motors
  • ETEL DSCDM342‑111‑000 Servo Amplifier – Multi‑Axis Digital Drive
  • ETEL MWA120‑0512‑00B 512mm Linear Motor Magnet
  • ETEL EA‑P2M‑300‑07/15A‑0100‑01 AccurET Modular Position Controller – Medium‑Power Drive
  • Etel DSC2P141‑111‑000 568425‑01 Digital Servo Amplifier – Compact High‑Performance Drive
  • Etel EA‑P2M‑400‑10/20A‑0000‑01 AccurET Modular Position Controller – High‑Voltage Drive
  • ETEL DSC2P142‑111‑000 Digital Servo Amplifier – Compact Position Controller
  • ETEL DSDH153‑121C‑001D Digital Servo Drive – High‑Power Motion Control
  • ETEL DSB2P131 & DSO-CAN111A Servo Amplifier Set
  • ETEL DSA2S211ZA-018A Digital Servo Amplifier
  • ETEL DSMAX212-111-001 568540-01 DSMAX2 Servo Controller
  • ETEL TMB+0291-150 Torque Motor Stator Assembly
  • ETEL EA-S0M-300-40/80A AccurET PSU
  • ETEL DSO-PWR112C-000B Power Supply Module
  • ETEL DSC2P141-111-000 Linear Servo Amplifier
  • ETEL DSB2S154-211-000H Servo Amplifier
  • ETEL DSCDP121-122-000 Digital Controller
  • ETEL DSCDP121-111E-000A Dual Position Controller
  • ETEL DSCDM332-111-000 Linear Servo Controller
  • ETEL DSB2P134-111E-000H Servo Amplifier
  • ETEL DSCDP132-111-000 Control Board Guide
  • ETEL DSB2S154-211E-000H Servo Amplifier
  • ETEL EA-SOM-300-40/80A Power Supply Module
  • ETEL ILM12-060-3PD-R20C Linear Motor with IWM Ways
  • ETEL P2M-300-07 AccurET Position Controller
  • ETEL DSB2P124-111E-000H Servo Amplifier
  • ETEL EA-P2M-048-05/10A Position Controller
  • ETEL EA-S0M-300-40/80A Power Supply Module
  • ETEL MWA070-0256-20B Linear Motor Magnet Guide
  • ETEL MWD070‑0128‑21A Linear Motor – Compact Ironless Linear Motor for High‑Speed Precision
  • ETEL DSB2P124‑211E‑000H Digital Servo Amplifier – 300 VDC Slave Drive for High‑Voltage Systems
  • ETEL MWD100‑0128‑00B Linear Motor – High‑Force Ironless Linear Motor for Precision Motion
  • ETEL AccurET EA‑S0M‑400 & P2M‑400‑05/10A Drive Module
  • ETEL EA‑S0M‑400‑40/80A‑0000‑00 AccurET Power Supply – High‑Power DC Supply for Motion Systems
  • ETEL MWA050‑0128‑20B Linear Motor Magnet – High‑Force Magnet Assembly for Linear Motors
  • ETEL DSB2S121‑111E‑000H Digital Servo Amplifier – High‑Current Drive for Demanding Motion
  • ETEL DSCDM332‑111C‑000B Digital Position Controller DSCDM – High‑Density Motion Module
  • ETEL EA‑P2M‑048‑2.5/5A‑0100‑01 AccurET Modular Position Controller
  • ETEL DSC2P121-111E-001A Digital Servo Controller – High‑Precision Motion Control
  • ETEL MWA050-0128-20B Linear Motor Magnet
  • ETEL DSB2P142-111E-000H Drive Specs
  • ETEL DSB2S234-111E-000H Servo Amplifier
  • ETEL EA-P2A-400-10-20A Position Controller
  • ETEL DSB2 Digital Servo Amplifier Controller DSB2P142-111E-000H SN 014661437
  • ETEL EA-S0M-400-40/80A-0000-00 AccurET Power Supply Module 650140-01
  • ETEL DSB2P131-111E-000H Servo Amplifier
  • ETEL EA-P2M-400-10/20A AccurET Controller
  • ETEL DSDP324-322F-000C Dual Motor Driver
  • ETEL DSB2S154-211E-000H Digital Servo Amplifier Drive
  • ETEL DSO-PWS111B-000C Power Supply Board 1130E-070-018
  • ETEL DSCDP324-322G-000A Servo Amplifier
  • ETEL DSB2P142-111E-000H Servo Amplifier Drive
  • ETEL EA-P2M-400-15/40A & EA-S0M-400 Drive Set
  • ETEL DSB2P142-111E-000H Digital Servo Amplifier
  • ETEL LMG15-070-3QC-H11 Linear Motor
  • ETEL TMA0140-070-3RB-S62B Torque Motor
  • ETEL DSA2S211ZA Digital Servo Amplifier
  • ETEL AccurET EA-P2M-300-4/7.5A-0100-01 Modular Position Controller
  • ETEL DSCDL332-131C-000A Servo Control Board
  • ETEL DSCDP324-322F-000C Dual Motor Driver
  • ETEL EA-P2M-400-10/20A Position Controller
  • ETEL DSC2P121 and DSO-HIO33 Servo Amplifier Set
  • ETEL EA-P2M-400-15/40A AccurET Drive
  • ETEL EA-P2M-300-07/15A Position Controller
  • ETEL EA-P2M-048-05/10A-0100-01 Servo Drive
  • ETEL EA-S0M-300-40/80A Servo Drive Guide
  • ETEL DSB2P131-111E-000H Digital Servo Amplifier
  • ETEL DSCDP334-421-000 Servo Drive Guide
  • ETEL EA-S0M-300-40 80A-0000-00 Motion Control Module
  • ETEL UltimET Light Motion Controller EU-LGP-0-0-1000-01 Multi-Axis
  • ETEL DSO-RAC601-029 Controller Rack
  • ETEL DSMAX212-121C-000C Board
  • ETEL DSCDL132-212B-000C Position Controller
  • ETEL TMB0291-050-3TDS-E82 Torque Motor
  • ETEL DSMAX212-121-000 Board
  • ETEL DSB2P131-111E-000H Digital Servo Controller Amplifier Unit
  • ETEL DSB 2S 124-211E-000H Digital Servo Amplifier
  • ETEL AccurET EA-P2M-300-4/7.5A-0100-01 Modular Position Controller
  • Beckwith Electric M-6280A Digital Capacitor Bank Control
  • Beckwith M-2355B Adapter Panel with M-2001C-6SL Tapchanger Control
  • Beckwith M-0359 Syncrocloser MOD512
  • Beckwith Electric M-2001C-6ELFA Tap Changer Controller
  • Beckwith M-3311A 4-Coil Transformer Protection Relay
  • Beckwith M-0124 Terminal Board Adapter Plate Guide
  • Beckwith Pride M-0296C 3-Phase Programmable Relay
  • Beckwith M-0388 Syncrocloser Check Relay Guide
  • Beckwith M-0170A AC Current Relay Guide
  • Beckwith M-3311 Transformer Protection Relay Guide
  • Beckwith Electric M3310 Integrated Transformer Protection Panel
  • Beckwith M-0145 First Customer Protector
  • Beckwith M-0170A AC Current Relay
  • Beckwith PRIDE M-0296C 3 Phase Programmable Relay
  • Beckwith Pride M-0296b 3-Phase Programmable Relay
  • Beckwith M-0245C High Speed Sync-Check Relay Guide
  • Beckwith M-0115A AC Parallel Balancing Module
  • Beckwith M-0389 Voltage Verifier Relay