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1.5 CE Compliance
Equipment is generally divided into two classes.
CLASS A
Digital equipment meant for light industrial use
Less restrictive emissions requirement:
less than 40 dB μV/m at 10 m
(40 dB relative to 1 μV/m) or 300 μV/m
CLASS B
Digital equipment meant for home use
More restrictive emissions requirement:
30 dB μV/m at 10 m or 100 μV/m
These limits apply over the range of 30–230 MHz. The limits are 7 dB higher for frequencies
above 230 MHz. Although the test range goes to 1 GHz, the emissions from Rabbit-based
systems at frequencies above 300 MHz are generally well below background noise levels.
The CPU card, I/O cards, and backplane in the Smart Star embedded control system have
been tested and were found to be in conformity with the following applicable immunity
and emission standards as described in Table 3.
Table 3. CE Compliance of Smart Star Backplanes and Cards
Used for CE
Card
Model
Description
Compliance
Testing
7 I/O card slots, 1 CPU card slot,
SR9010
header connections for optional
Full-featured
×
LCD/keypad module*
Backplane
3 I/O card slots, 1 CPU card slot,
SR9050
header connections for optional
LCD/keypad module*
Sub-version
CPU
SR9150
22.1 MHz CPU card with Ethernet
Full-featured
×
SR9160
22.1 MHz CPU card without Ethernet Sub-version
SR9200
16 inputs, 8 sinking outputs
Full-featured
×
Digital I/O
A/D Converter
SR9205
SR9210
SR9220
SR9300
SR9310
16 inputs, 8 sourcing outputs
8 inputs, 16 sinking outputs
8 inputs, 8 sinking outputs
Eleven 12-bit analog inputs (0–10 V)
Eleven 12-bit analog inputs (±10 V)
Full-featured
Sub-version
Sub-version
Sub-version
Full-featured
×
×
SR9320
Eleven 12-bit analog inputs (4–20 mA) Sub-version
Relay
SR9500
SR9510
5 SPST relays and 1 SPDT relay, each
protected with onboard snubbers
8 SPDT relays (no snubbers)
Full-featured
Full-featured
×
×
* No CE compliance testing was done with the LCD/keypad module connected to a Smart Star
embedded control system. A system consisting of Smart Star boards and an LCD/keypad mod-
ule therefore cannot be considered to be CE-compliant.
User ’s Manual
13
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