IOC4T 200-560-000-111 is an Input/Output Card used for the Vibro-Meter VM600 mechanical protection system. It serves as a signal interface module between the MPC4 mechanical protection card and on-site sensors, as well as external control systems.
Each IOC4T card is associated with a corresponding MPC4 card and is mounted directly behind it in the VM600 rack (ABE04x or ABE056). The IOC4T operates in slave mode and communicates with the MPC4 through connector P2, using an Industry Pack (IP) interface.
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Technical Specifications
| Model | IOC4T |
| Part Number | 200-560-000-111 |
| Product Type | Input/Output Card |
| Series | VM600 |
| Origin | Switzerland |
| Dimension | 21 × 17 × 5 cm |
| Weight | 0.35 kg |
| HS code | 8471800000 |
| Installation | VM600 Rack |
| Application | Machinery Protection System |
| Dynamic Channels | 4 |
| Tachometer Channels | 2 |
| Analog Output | 0-10V / 4-20mA |
| Communication | Rack Backplane Interface |
Product Details
The front panel of the 200-560-000-111 IOC4T (rear of the VM600 rack) contains terminal strip connectors for wiring to the transmission cables coming from measurement chains (sensors and /or signal conditioners). The screw-terminal connectors are also used to input all signals from and output all signals to any external control system. The IOC4T card protects all inputs and outputs against electromagnetic interference (EMI) and signal surges and also meets electromagnetic compatibility (EMC) standards.
The main functions of IOC4T 200-560-000-111:
On-site signal interface conversion
IOC4T is responsible for connecting the following components in the on-site measurement link:
Vibration sensor
Speed sensor
Signal regulator
External PLC/DCS system
Multi-channel monitoring capability
Module Support:
4 dynamic vibration channels
2 speed channels
Analog output
IOC4T can provide:
0-10V output
4-20mA output
Alarm and Relay Output
The board card is equipped with an internal alarm function, which can achieve:
Alert alarm
Danger alarm
System failure alarm
Relay control output
What does the configuration of four dynamic channels and two speed channels mean for the mechanical protection system?
In the monitoring system for rotating machinery, the vibration data and the rotational speed data are not independent. The vibration amplitude, phase changes, and frequency characteristics generated during the equipment operation all need to be analyzed in conjunction with the real-time rotational speed information. Therefore, the number of channels not only determines how many sensors can be connected, but also directly affects the data dimension that can be obtained for fault diagnosis. The IOC4T 200-560-000-111 supports 4 dynamic signal channels (Dynamic Channels) and 2 rotational speed channels (Tachometer Channels), and each channel can be independently configured.
For steam turbines, compressors, generator sets, and large centrifugal equipment, four dynamic channels can typically be connected to multiple key measurement points simultaneously, for example:
Shaft Vibration
Shaft Position
Casing Vibration
Bearing Vibration
Each dynamic channel supports independent signal input and sensor power supply interface, and can output the original buffered signal (Buffered Raw Signal), which is convenient for on-site engineers to connect the analyzer for further diagnosis. Meanwhile, the vibration channel supports analog output and can be converted into 4-20 mA or 0-10 V signals according to system configuration to be connected to PLC, DCS, and other control systems.
For critical equipment that requires long-term online monitoring, the combination of 4 dynamic channels and 2 speed channels can complete multiple tasks such as vibration monitoring, speed reference, alarm linkage, and control system signal transmission on a single I/O card, reducing the use of additional interface modules and preserving a complete data source for subsequent equipment status analysis.
FAQ
Q: What types of sensors does IOC4T support?
A: IOC4T mainly supports:
Electromagnetic eddy current displacement sensor
Vibration velocity sensor
Acceleration sensor
Keyphasor rotational speed probe
Rotational speed measurement sensor
The specific compatible models need to be confirmed based on the MPC4 configuration parameters.
Q: Does IOC4T have relay output functionality?
A: The IOC4T is equipped with 4 programmable relays. These relays can be configured by software to correspond to alarm status, danger status, or system failure status, enabling external interlock control.
Q: Back panel connector inspection
A: IOC4T communicates with the VM600 rack backplane through dual connectors.
During the quality inspection process, the following items are checked first:
P2 communication interface pin status
Connector coating integrity
Insertion and ejection wear condition
Interface oxidation condition
Q: Why do the purchasers pay attention to "Switzerland Origin"?
A: The IOC4T 200-560-000-111 is labeled as being produced in Switzerland. Its manufacturing process has remained consistent with the VM600 series equipment for a long time. For users who are already running the VM600 platform, the origin information not only relates to the product labels, but also to project file management, uniformity of spare parts, and the subsequent equipment maintenance work.
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