The IS220PVIBH1AL serves as a dedicated vibration monitoring solution within the GE Mark VIe system. It provides an electrical interface between the I/O Ethernet networks and the TVBA vibration terminal board. This pack includes three main components. Specifically, you get a processor board, an acquisition board, and a daughterboard. All Mark VIe distributed I/O packs share this same basic architecture.
The IS220PVIBH1AL reads vibration and proximity information from various sensor types. It uses channels 1 through 8 for most sensors. For instance, it supports proximitors and integrated output accelerometers. However, accelerometers work only on channels 1 through 3. The pack also accepts Velomitor and seismic signals. Channels 9 through 12 only support proximitors. Meanwhile, channel 13 accepts either a Keyphasor signal or a proximity-type signal.
The IS220PVIBH1AL operates within an ambient temperature range of -30 to 65°C. Its physical dimensions are 8.26 cm high by 4.19 cm wide by 12.1 cm deep. In imperial units, that measures 3.25 inches high by 1.65 inches wide by 4.78 inches deep.
This pack requires a probe power supply of -24V dc with a 12 mA load per transducer. The common mode voltage minimum is 5V dc. Additionally, the CMRR at 50/60 Hz is -50 dB. The IS220PVIBH1AL supports frame rates of 3.125, 6.25, 12.5, 25, 50, and 100 Hz over an Ethernet network. For frame rates slower than 100 Hz, the pack enables twin Ethernet networks.
The IS220PVIBH1AL connects directly to a TVBA vibration terminal board. A DC-37 pin connector provides the output connection to the matching terminal board connector. The pack includes indicator LEDs for visual diagnostics. Specifically, you get four status LEDs: Attn, Pwr, Link, and TxRx.
The analog filter acquisition board (BAFA) and the analog processing daughterboard (KAPA) make up the application-specific hardware. The BAFA provides signal conditioning. It centers and amplifies signals to increase analog-to-digital resolution.
The IS220PVIBH1AL offers thirteen differential inputs. These include a DAC for bias adjustment to optimize the A/D input range. Here is how the channels break down by sensor type:
Channels 1 through 3: Position data from proximitors, wideband vibration data from proximitors, accelerometers with integrated outputs, Velomitors, and seismics
Channels 4 through 8: Position data from proximitors, wideband vibration data from proximitors, Velomitors, and seismics
Channels 9 through 12: Position information only from proximitors
Channel 13: Position feedback and Keyphasor feedback
Therefore, the IS220PVIBH1AL offers great flexibility for different turbine monitoring applications. You can mix sensor types according to your specific needs.
Follow this procedure to install the IS220PVIBH1AL properly. First, secure the terminal board you want to use. Next, connect the PVIB I/O pack directly to the terminal board connectors. Then, use the threaded studs near the Ethernet ports to mechanically secure the pack.
After that, connect one or two Ethernet cables depending on your system configuration. The IS220PVIBH1AL works with either port. When using dual connections, connect ENET1 to the network linked with the R controller. Then, connect the pack to the power source by plugging in the connector on the side. Use the ToolboxST application to configure the I/O pack as needed. Finally, verify that the N28 power supply daughterboard on the TVBA sits properly in the TVBA connector.
When you apply input power, the soft-start circuit ramps up the voltage on the processor board. The local power supplies sequence on, and the processor reset removes. The CPU then runs self-test procedures. After that, it loads application code from flash memory. This code is specific to the IS220PVIBH1AL pack type.
The processor board connects to an acquisition board appropriate for the pack's purpose. The IS220PVIBH1AL includes a high-speed processor. It also features two fully independent 10/100 Ethernet ports. Additionally, a hardware reset circuit and a watchdog timer provide reliability. An internal temperature sensor monitors operating conditions.
The IS220PVIBH1AL supports auto-reconfiguration. This capability lets you swap I/O packs without manual reconfiguration. When you activate this functionality, the system works as follows. The controller detects an I/O pack booting with a different configuration. Then, it automatically downloads a reconfiguration file from the controller to the I/O pack. This feature saves significant time during maintenance.
The processor application code contains logic for operation from single or dual Ethernet inputs. When operating from two Ethernet inputs, both network paths remain continuously active. A failure of one network will not disturb IS220PVIBH1AL operation. Instead, the operating network connection will indicate the failure. This setup offers better fault tolerance than traditional hot-backup systems.
The Ethernet ports automatically negotiate between half-duplex and full-duplex operation. Speeds range from 10 MB/s to 100 MB/s.
The IS220PVIBH1AL monitors the status and operation of selected trip boards. It uses comprehensive feedback signals for this monitoring. The pack supports both TMR (Triple Modular Redundancy) and simplex backup protection. This flexibility allows you to use it in various system configurations.
IS220PVIBH1AL vibration monitor pack (1 unit)
Anti-static protective bag (1 piece)
Quick installation reference card (1 copy)
We ship the IS220PVIBH1AL using FedEx, UPS, or DHL. All shipments include tracking numbers and full insurance. Typical delivery takes 3 to 7 business days depending on your location.
1. What is the difference between IS220PVIBH1AL and the original IS220PVIBH1?
The IS220PVIBH1AL is a revised version of the original IS220PVIBH1 parent vibration monitor pack. The AL suffix indicates specific product revisions and hardware updates.
2. Can I use accelerometers on all thirteen channels?
No. Accelerometers work only on channels 1, 2, and 3 of the IS220PVIBH1AL. Channels 9 through 12 support only proximitors.
3. What frame rates does the IS220PVIBH1AL support?
The pack supports frame rates of 3.125, 6.25, 12.5, 25, 50, and 100 Hz over an Ethernet network.
4. Does the IS220PVIBH1AL work with a single Ethernet connection?
Yes. The IS220PVIBH1AL works with either one or two Ethernet connections. With a single connection, the pack operates normally but loses network redundancy.
5. How do I enable auto-reconfiguration for this pack?
Use the ToolboxST application to activate auto-reconfiguration. Once enabled, the controller will automatically download a configuration file when it detects a IS220PVIBH1AL booting with different settings.
| Brand Name | General Electric |
| Model No. | IS220PVIBH1AL |
| Product Type | Vibration Monitor (PVIB) Pack |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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