- ページ 11

セキュリティセンサー EDI 222 SeriesのPDF 操作マニュアルをオンラインで閲覧またはダウンロードできます。EDI 222 Series 17 ページ。 Inductive loop detector sensor unit

EDI 222 Series 操作マニュアル
Each channel is fitted with a high intensity RED detect LED indicator (DET) and a Yellow Fault
LED indicator (FLT).
Front Panel Controls:
Front panel mounted DIP switches allow the user to set up sensitivity, operational mode,
frequency and channel OFF/ ON state independently for each channel.
Sensitivity:
One of eight settings may be selected to optimize
detection on varying loop and lead-in configurations.
Sensitivity is stated in terms of ∆L/L, i.e. the minimum
percentage change in the total inductance (loop plus
lead-in) to which the unit will respond at the given
level setting.
Channel ON/OFF:
Selecting Channel OFF will disable the channel. In this condition, the loop oscillator is de-
energized, and the output will remain in the no-call state.
Operational Modes:
Pulse Mode (PL):
Short Presence (SH):
Long Presence (LG):
When the jumper labeled SEL3 is inserted, the Model 222 will limit the minimum presence time
to 100 milliseconds.
When operating in pulse mode, a vehicle remaining over a loop will inhibit further pulse outputs
from being issued for a period of 2 seconds after which time vehicles passing over the
uncovered portion of the loop will be detected.
Frequency:
One of four settings may be selected to alleviate interference which may occur when loops
connected to different detectors are located adjacent to one another.
Reset Input:
The Model 222 may be reset by applying a ground true logic level to the Reset input pin J1-C.
Response Times:
The following are typical response times at different sensitivity levels. Note: the times indicated
are valid when both channels are set to the same sensitivity operating at approximately
40KHz.
Eberle Design Inc.
Model 222
Operations Manual
125  25 milliseconds momentary output
30 minutes maximum
120 minutes maximum
SENS
Response
Time
Level 7
40  15 ms
19  7 ms
Level 6
Level 5
9  3 ms
5  1.5 ms
Level 4
SENS
Level 7
Level 6
Level 5
Level 4
SENS
Response
Time
Level 3
2.8  1 ms
2.5  1 ms
Level 2
Level 1
2.5  1 ms
2.5  1 ms
Level 0
∆L / L
SENS
∆L / L
0.01%
Level 3
0.16%
0.02%
Level 2
0.32%
0.04%
Level 1
0.64%
0.08%
Level 0
1.28%
Page 9