For several years, CHANGXIN have specialized in trading high-quality components in the field of industrial automation.
Focusing on PLC components, DCS and CNC technology, and drivetechnology
Shinkawa VM-742B1-5 upper network communication module
| Brand: Shinkawa VM-7 series TSI system |
| Item NO: VM-742B1-5 |
| Effect: Collect data from all monitoring modules inside the rack |
| Condition: In stock, brand new/Used |
| Warranty: 365 days |
| Payment:T/T 50% deposit, 50% balance |
| www.szcxdcs.com |
+86 15359298293
Shinkawa VM-742B1-5 upper network communication module
VM-742B1-5 is the upper network communication module of Japan’s Shinkawa VM-7 series TSI system, installed in the VM-761B standard rack slot. It collects vibration, displacement, speed, and alarm fault data of all monitoring modules in the rack through the rack backplane bus.
The role of VM-742B1-5 is to serve as the external digital communication gateway for the entire VM-7 TSI system; Upload the measurement values, alarm status, and fault information of each monitoring module (VM-701B, etc.) to DCS, PLC, and upper monitoring computer through Modbus TCP Ethernet protocol; VM-742B1-5 supports PC diagnostic software connection, enabling module parameter configuration, fault diagnosis, and waveform data reading; Replacing traditional 4-20mA hard wiring, realizing digital data exchange of the entire TSI rack, it is the core network interface board for the integration of VM-7 system and external control system.

Parameter Specifications
| Parameter | Value |
|---|---|
| Model | VM‑742B1‑5 |
| Product family | VM‑7 Series TSI System |
| Module type | Upper‑level network communication module |
| Backplane bus | VM‑7 rack internal backplane bus |
| Communication protocol | Modbus/TCP |
| Ethernet port | 2 × RJ45 10/100 Base‑TX |
| Function port | For diagnostic software connection |
| Supported rack | VM‑761B chassis |
| Max monitor modules | 11 modules per rack |
| Power supply | Supplied by rack backplane 24 V DC |
| Power consumption | <15 W |
| Mounting | Hot‑swap slot inside VM‑761B rack |
| Operating temperature range | 0 ~ +65 ℃ |
| Storage temperature range | ‑20 ~ +70 ℃ |
| Relative humidity | 5‑95% non‑condensing |
| Dimension(W×H×D) | 45 ×120 ×210 mm |
| Weight | 0.5 kg |
| Origin | Japan |
Product features
1. Dual port RJ45 Ethernet interface, Modbus TCP industrial Ethernet protocol, can simultaneously interface with DCS systems and diagnostic PCs without the need for additional hardware conversion.
2. The backplane bus of the rack collects data from all monitoring modules of the rack, and a single communication module can read all measurement point data from up to 11 monitoring boards in the entire rack.
3. Support hot swapping, replacing modules in the cabinet without power on does not affect the continued protection and alarm functions of other vibration monitoring modules.
4. Support PC based MCL View diagnostic software, which can read vibration waveforms online, modify module parameters, view historical alarms, and trace faults, facilitating unit maintenance and debugging.
5. The panel LED indicator light intuitively displays the module operation, network link, and backplane bus communication fault status, facilitating quick on-site troubleshooting.
6. The B1-5 version is a dedicated configuration version with a fixed protocol register layout, which is directly compatible with existing DCS point tables in existing power plants and petrochemical projects. Replacement of spare parts does not require modification of the upper level program.

Usage Scenarios
1. The VM-7 series TSI system for steam turbines in thermal and gas-fired power plants enables the digital upload of complete rack vibration, displacement, and alarm data to DCS.
2. Petrochemical turbine centrifugal compressor unit, rotating machinery protection system, sending TSI measurement points to PLC/upper monitoring system.
3. Large rotating equipment in coal chemical and oil refineries reduces a large number of 4-20mA analog cables and uses Ethernet digital acquisition to collect all TSI measurement points.
4. Stock Shinkawa VM-761B rack system, original VM-742B1-5 communication module damaged and replaced with original spare parts, using the original DCS point table and network configuration.
5. In the scenario of factory maintenance and debugging, this module is connected to PC diagnostic software to read the vibration waveform and fault records of the unit, and perform rotating machinery fault analysis.
Shinkawa VM-701B VM-7 Series Vibration/Displacement Monitoring Module
WOODWARD 9907-1183 505E Series Steam Turbine Digital Speed Control Controller
Woodward GS16 Series 9908-1501 Electric Gas Control Valve
Eaton MTL8000 Series 8922-RB-IS Railbus Bus Isolation Module











