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Connect a CR1000 or CR3000 to an IP network
Overview
The NL121 is the easiest and lowest-cost way to add an Ethernet interface connection to your CR1000 or CR3000. This small device, about the size of a deck of cards, simply plugs onto the data logger’s peripheral port. Through the NL121, you can access the Internet capabilities of your data logger, such as PakBus, Modbus, and DNP3 over TCP, as well as web, email, file transfer, and cloud-based application clients. You can collect from and control your data logger over any standard IP network—within your office or across the Internet.
Benefits and Features
- The easiest way to add Ethernet to a CR1000 or CR3000
- Provides a native Ethernet connection, allowing the data logger to communicate directly using a variety of Internet protocols
- Integrated protection for surge and ESD
- Data-logger-controlled power management for low-power operation
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Compatibility
Data Logger Requirements
A CR1000 or CR3000 datalogger using operating system version 28 or greater is required.
Specifications
| Transmission Distance or Area | Worldwide |
| Data Logger Interface | 40-pin peripheral port on CR1000 or CR3000 |
| Ethernet | 10/100 Mbps, auto-detect 10BaseT/100Base-TX, full/half duplex, IEEE 802.3, auto MDI/MDI-X |
| Power Source | 12 V from data logger 40-pin peripheral port |
| Power Consumption |
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| Operating Temperature Range | -40° to +70°C |
| Service Requirements | Ethernet access |
| Dimensions | 10.2 x 6.4 x 2.8 cm (4.0 x 2.5 x 1.1 in.) |
| Weight | 66.62 g (2.35 oz) |
Compliance |
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| Application of Council Directive(s) | 2004/108/EC Electromagnetic Compatibility Directive (EMC) |
| 2011/65/EU | The Restriction of Hazardous Substances Directive (RoHS2) |
| Product Standard | EN 61326-1:2013 – Electrical Equipment for measurement, control and laboratory use (EMC requirements – for use in industrial locations) |
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Miscellaneous
Videos & Tutorials
Frequently Asked Questions
Number of FAQs related to NL121: 11
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The NL201 and NL240 are powered via the DC barrel connector and/or the CS I/O port. Sometimes, users who are using the network link
interface as a serial terminal server, PakBus router, or Modbus gateway want to connect their devices via the CS I/O port while
providing power only through the DC barrel connector and a 12 V source (such as a data logger SW12V output). In this scenario, a jumper
inside the NL201 or NL240 can be removed, preventing the interfaces from always being powered by the CS I/O connections. For more
information, refer to the instruction manual for the interface. -
The NL200-series of devices can be set to bridge the Ethernet or Wi-Fi interface and the CS I/O interface. All packets that come into the device via Ethernet or Wi-Fi will be transferred to the data logger over the CS I/O port. This enables the data logger to make all of its IP-related services available. Configuring an NL200-series device with bridge mode enabled is analogous to adding a native Ethernet or Wi-Fi port to the data logger. Bridge mode does not use PPP.
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Use the NL201 Network Link Interface.
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No. A connection to the NL201 must be made to configure it for bridge mode.
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Yes. We currently have, and continue to develop, a variety of products that are compatible with IPv6 networking. For example, the NL200/201 and NL240 can serve as IPv6 serial servers for our data loggers and communications peripherals. We anticipate IPv6 compatibility to be included in the CR800, CR850, CR1000, and CR3000 by mid-2014.
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The maximum recommended segment length (length of cable between the NL device and the Ethernet repeater, hub, switch, or router it is connected to) for 10Base-T and 100Base-Tx networks using CAT5e cable is 100 m.
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The NL121 plugs into the data logger and doesn't require an additional cable to work. The NL121 also doesn't take up much extra space. Because the NL121 has a faster interface to the data logger than the NL201 does, the NL121 communicates faster.
The NL201 has to be mounted next to the data logger and requires a cable to connect to it. Also, the NL201 requires some additional configuration so that it will work with the data logger. For example, choices have to be made regarding how the NL201 is connected to the data logger.
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Yes. For example, the NL115 allows the CR1000 to communicate over a local network or a dedicated Internet connection via TCP/IP.
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The data logger needs to have its internal TCP stack active. This can be done using the NL115, NL120, NL201, or NL240.
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If the NLxx device uses a routable IP address, LoggerNet should be able to access the device from anywhere there is Internet access—as long as firewall restrictions do not interfere.
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