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 | 1549 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.
  • Sigmatek SE051 Network Splitter Module
  • Sigmatek CIO011 C-DIAS I O Module
  • Sigmatek SE051 Ethernet Splitter
  • Sigmatek CCL911 CD Processor Module
  • Sigmatek SDD310-4 DIAS Drive 14kVA
  • Sigmatek CTMS020 C-DIAS Technology Module
  • Sigmatek CTMS020 CD Technology Module
  • Sigmatek CTO167 C-SLIDES Digital Output Module
  • Sigmatek C-IPC 152 Industrial PC
  • Sigmatek SDD310-4 SLIDES Drive 310
  • SIGMATEK MDP 102-1 DIAS Power Module
  • SIGMATEK SCP111 S-DIAS Safety CPU Industrial
  • SIGMATEK CAO081 Analog Output Module
  • SIGMATEK DCC080L Control Module
  • SIGMATEK MDP101-1 Power Module
  • SIGMATEK SCP111 S-DIAS Safety CPU
  • SIGMATEK PC325-K Industrial PC
  • SIGMATEK ETT 731 Operator Terminal
  • SIGMATEK DSV011 SLIDES Hub Module 05-023-011
  • SIGMATEK 12-780-012 R8-IPC Industrial Computer
  • Sigmatek SE051 Ethernet Splitter
  • Sigmatek DAI 883 DIAS Analog Module
  • Sigma Tek 4000B-30 Directional Gyro
  • Sigmatek CP112 S-DIAS Processor Module
  • Sigmatek SDD310 DIAS Drive
  • Sigmatek SDD120-23 DIAS Drive 14kVA
  • Sigmatek C-IPC 152 Industrial PC
  • Sigmatek CIV513 VARAN Control Module
  • Sigmatek DCP 082 Processor Module
  • Sigmatek C-IPC Industrial PC 01-450-023 GEB
  • SIGMATEK PC572 Operating Terminal
  • SIGMATEK DCC041 DIAS Compact Controller HW 6.10
  • SIGMATEK C-IPC 152 1GB Celeron M440 Controller
  • SIGMATEK 01-310-322-K PC322-K Industrial PC
  • SIGMATEK TAE732-P Touch Screen Operator Panel
  • SIGMATEK 01-018-100 Control Module
  • SIGMATEK DDI-164 Digital Input Module
  • Sigma-Tek 5000B-36 Artificial Horizon
  • SIGMATEK 12-780-012 R8-IPC Geode LX800 Computer
  • SIGMATEK CTMS 020 Servo Drive
  • Sigmatek MDD121-1 Controller
  • Sigmatek ETV1021-L VARAN Terminal
  • Sigmatek DST022 DIAS Module
  • Sigmatek CCP512-K C-Dias Processor Module
  • Sigmatek SRO 021 Relay Output Module
  • Sigmatek SDI 101 Digital Input Module
  • Sigmatek IPC 221 Industrial PC
  • Sigmatek DNC-305 Digital Input Module
  • Sigmatek SDD335 DIAS Drive
  • Sigmatek C-IPC Industrial Controller
  • SIGMATEK 01-450-031 C-IPC 256MB LX800 Computer
  • SIGMATEK SDD310-3 DIAS Drive 310
  • SIGMATEK DSV011 SLIDES Hub Module 05-023-011
  • SIGMATEK CNC031 CD Analog Module 12-011-031
  • SIGMATEK 01-450-031 C-IPC 256MB LX800
  • SIGMATEK 01-450-026 C-IPC VIA 733MHz Controller
  • SIGMATEK DCP-643 DIAS CPU Module with DKL-003
  • SIGMATEK MDD111-L DIAS Drive Axis Module
  • SIGMATEK SDD310-23-L DIAS Drive 310
  • SIGMATEK Viscotec ETV0551 Touch Panel
  • SIGMATEK PC321K Industrial Computer
  • SIGMATEK MDP 102-1 SLIDES Power Module
  • SIGMATEK TAE-151 12-200-151 Light Terminal
  • SIGMATEK CP102 20-004-102P6995B HMI Panel
  • SIGMATEK CAM-123 12-017-123-C Analog Mixing Module
  • SIGMATEK DCC041 DIAS Compact Controller
  • SIGMATEK DVI021 and DKL015 DIAS Power Module
  • SIGMATEK SDD340-46 SDD Series Servo Drive
  • SIGMATEK Robotdrive L6 02220-7997 Engel Drive
  • SIGMATEK AKM63M-ANCNGBB0 4.38kW PM Servomotor
  • Sigmatek SDD 310 SLIDES-Drive SDD310-4O
  • Sigmatek SDD335-23K Drive VARAN Interface 14kVA
  • Sigmatek TAE1922-K Touch Display Unit
  • Sigmatek DIAS DCP 643 CPU Module DKL003
  • Sumitomo CNH-4105Y-43 NSNP Gear Reducer
  • Sumitomo CHHP-4160Y-35-213T Inline Gear Reducer
  • Sumitomo CNHM02-6090YA-87 NSNP Gear Motor
  • Sumitomo CNVXS-6100Y-43 NSNP Gear Reducer
  • Sumitomo CNHM2609511 Gear Motor
  • Sumitomo CHVM3-6130-B-35 Gear Motor
  • Sumitomo HW0389042-A Industrial Component
  • Sumitomo F2CF-W55-ZG05-64 Gear Reducer
  • Sumitomo CHH-6165Y-13 Inline Gear Reducer
  • Sumitomo CNVM3-6125C-EP-6 Cyclo Gear Motor
  • Sumitomo RNYX-1320Y-20 Gear Reducer
  • Sumitomo XFCG111-43/24/165 Control Component
  • Sumitomo LHYJ-3A105K-Y3-102 Gear Reducer
  • Sumitomo CNFM02-6095DA-B-121 TC-FX/FB-02A Motor
  • Sumitomo CNHJ-4105DAY-289 NSNP Gear Reducer
  • Sumitomo LHYJS-4C145Y-Y1-112 NSNB Gear Reducer
  • Radiator 2060351111 Komatsu Sumitomo Linkbelt
  • Sumitomo BL3-09B-35MEHDK6 Gearbox ANFJ-L30
  • Sumitomo Truninger 8H1-150 Internal Gear Pump
  • Sumitomo RNFMS01-25R-B-150 200V NSNP Gearmotor
  • Sumitomo CHHBJN1HA-6135Y-29 Inline Reducer
  • Sumitomo EHYMS5-B6125YA-Y3-74 NSNB Reducer
  • Sumitomo Eaton H-050AA2F-J Orbit Motor
  • Sumitomo TC-FXVP Motor 0.75kW 4P 400V N-80M
  • Sumitomo XFCG111-87/24130 Industrial Control Component
  • Sumitomo AF3122-030 Inverter 30kW 3Ph 200V
  • Sumitomo QT42-25FS-B Internal Gear Pump
  • Sumitomo F2CS-A35-ZG09-59 Speed Reducer
  • Sumitomo CNHM05-6090-B-29 Gear Motor
  • Sumitomo CHHJ-6145Y-29-210T Gear Reducer
  • Sumitomo E3P-20-2.2-S1450-E Hydraulic Pump
  • Sumitomo RNYMS1-1420C-AV-20 Right Angle Gear Motor
  • Sumitomo SR101 SRKG101-76-40-060 Reamer Head
  • Sumitomo RNYM05-1220-25/UBAABB Gear Motor
  • Optidrive E3 Sumitomo GHB-36 Vector Inverter Motor
  • Sumitomo CNH-614HY-35 UNMP Gear Reducer
  • Sumitomo CNH-612HY-6 SM-Cyclo Gearmotor
  • Sumitomo HF3214-A75 Electric Motor
  • Sumitomo CNVM02-6100-B-59 NSMP Gear Reducer
  • Sumitomo CNHJ4105Y35 NSNP Gear Reducer
  • Sumitomo CHH6165Y-29 NSNB Gear Reducer
  • Sumitomo RNYM1-1420-25 Hyponic Gear Motor
  • Sumitomo T600C Industrial Control Unit
  • Sumitomo LHH-4A115-K2-28 NSNB Gear Reducer
  • Sumitomo RNYM02-1220-AV-20 Speed Reducer
  • Sumitomo CHHS-6140Y-SB-17 Gear Motor
  • Sumitomo Heavy Industries SSE-100A-RM Drive Unit
  • Sumitomo PA228771 CNHM2-6100YB-EP-8 Gear Motor
  • Sumitomo RNYM02-1231-B-50 Speed Reducer
  • Sumitomo CNFM1H-6090-6 Induction Motor
  • Sumitomo CHH-614HY-11 Gear Reducer
  • Sumitomo F4C-D25-ZG01-41 Speed Reducer
  • Sumitomo PA224280 CNHM1-6095YC-EP-21 Gear Motor
  • Sumitomo KHYJB4115K185145TC Gear Motor