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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 7ML1930-1EY |
| Alternative Part Number | 7ML19301EY |
| Part Manufacturer | Siemens |
| Equipment Type | SITRANS RD500 Internal Cellular Modem |
| Application | Used for setting up a cellular connection with static and dynamic IP addressing for remote data management |
| Compatibility | Compatible with SITRANS RD500 remote data management systems |
| Antenna Connection | 50 ohm SMA (female connector) |
| SIM Type | Mini SIM; 1.8 and 3V |
| Operating Frequency Bands | 4G: 700(B17)/850(B5)/AWS1700(B4)/1900(B2), 3G: 850(B5)/1900(B2), 2G: 850/1900 |
| Features | Supports Dynamic IP, Public Dynamic IP, Public Static IP, Custom APN, DNS support, FTP and Email client features |
| Communication | Device originated communication and host originated communication (depending on cellular plan) |
| Modes | On Demand and Permanent Modes for data transfer |
| Additional Features | Supports DynDNS service for managing public dynamic IP addresses |
| Required Equipment | PC with Ethernet card, Internet Explorer 6.0 or higher for setup |
The Siemens 7ML1930-1EY is a sophisticated internal cellular modem designed to facilitate seamless and reliable M2M (machine-to-machine) communication. This component is an integral part of the SITRANS RD500 system, which is widely recognised for its role in industrial remote telemetry applications. The modem supports a range of cellular technologies including 2G, 3G, and 4G, ensuring compatibility with various network standards and providing high data rates for efficient data throughput.
Equipped with a Mini SIM card slot, the 7ML1930-1EY allows for easy integration with cellular services, requiring an APN (Access Point Name) for initial network connection. It is designed to operate with different IP addressing schemes, including dynamic IP, public dynamic IP, and public static IP, catering to diverse deployment scenarios. The modem's ability to work with DNS (Domain Name System) services and support for DynDNS (Dynamic DNS) further enhances its flexibility, allowing for consistent remote access even with changing IP addresses.
The 7ML1930-1EY is also capable of handling various communication protocols and services, such as FTP (File Transfer Protocol), SMS (Short Message Service), and email, making it a versatile choice for a wide array of industrial communication needs. Its robust design and adherence to Siemens' high-quality standards make it a reliable component for ensuring uninterrupted data exchange between field equipment and host systems, which may include servers, SCADA systems, or other communication devices.
This modem is particularly suitable for applications where remote monitoring and control are essential, and it is a valuable asset for industries looking to implement advanced telemetry and remote management solutions.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
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Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What is the purpose of the internal cellular modem?
The internal cellular modem is designed for industrial remote telemetry applications, enabling two-way communication between field equipment and a host system, such as a server or SCADA system. It allows for the reporting of alarm and data log information, as well as the ability for the host system to contact and configure the remote device.
Can the modem be used with dynamic IP addressing?
Yes, the modem supports dynamic IP addressing, which is commonly provided by cellular carriers. This type of service assigns an IP address to the device upon connection to the network, but the address may change if the connection is lost or the device is turned off and on again.
Is it possible to establish a private connection using the modem?
Yes, by using a custom APN or private IP, a private connection from the cellular carrier to the remote device can be created, acting like a VPN. This ensures that the IP address of the remote device is not publicly available, offering a secure connection.
Does the modem support DNS services?
The modem does support DNS services, allowing the use of domain names instead of IP addresses. This is particularly useful when the IP address is not static, as the DNS service can resolve the domain name to the current IP address.
What types of SIM cards are compatible with the modem?
The modem is compatible with Mini SIM cards that are 1.8 and 3V. It's important to ensure that the SIM card is inserted correctly, with the contacts facing down and the cut edge aligned with the board layout.
How can I test if the modem is connected to the cellular network?
Once the modem is configured, you can enter the public IP address into a web browser to connect to the device. If set up correctly, the Modem Status field on the Network page should display the current signal strength and IP address.
What should I do if the signal strength is low or non-existent?
If the signal strength is consistently below 15 or shows as 99, it may indicate that the antenna is not connected properly or the internal modem is not seated correctly. Checking the physical connections and ensuring the modem is properly installed should resolve this issue.
Can the modem send SMS messages?
Yes, the modem has the capability to send SMS messages. Depending on your cellular carrier, you may need to configure the SMS format in the Additional Init field on the Network page.
What are the operating frequency bands for the modem?
The modem operates on multiple frequency bands, including 4G bands 700(B17)/850(B5)/AWS1700(B4)/1900(B2), 3G bands 850(B5)/1900(B2), and 2G bands 850/1900, ensuring broad compatibility with various cellular networks.
How does the modem handle IP address changes?
The modem can use services like DynDNS to manage public dynamic IP addresses, which allows it to update the host system with the current IP address if it changes, ensuring continuous connectivity.
