Material and Tools Required
The following material and tools are needed.
Power source
• UL listed, Class 2, 24Vac transformer, rated at minimum of 24Va. A dedicated transformer is required (cannot power additional equipment), or
• UL listed Class 2 or LPS 24Vdc power supply, capable of supplying at least 1A (24W), or
• wall-mount AC power adapter with barrel connector plug.
Mounting
• DIN rail, type NS35/7.5 (35mm x 7.5mm)
• DIN rail end-clips (stop clips)
• Suitable tools, fasteners, and accessories for mounting.
The controller can also be panel mounted.
Related Documentation
See the following documents for additional EC-BOS-9 information:
• EC-BOS-9 Quick Start Guide
• EC-BOS-9 Install and Startup Guide
• EC-Net 4 Platform Guide
Option Module and Capacity Considerations
The EC-BOS-9 supports a maximum total of four option (expansion) modules in certain combinations. If you use two RS485 option modules, you are limited
to one additional “non-RS485” module (LON or 232) for a total of three. The following figure shows some example combinations.
Figure 1: Valid module combinations
Table 1: Maximum option modules supported by protocol
Separate maximum limits may be defined in the EC-BOS-9 license, such as total number of networks, devices, and integration points (capacity licensing).
Description, Option Module
Two via onboard RS485, four via two Dual RS485 option modules (2 ports each), plus one via LON or RS232.
Four LON option modules (1 port each module)
Four RS232 option modules (1 port each module)
Table 2: Maximum wired field bus integrations.
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