Operating Instructions
ISD 230/260/280
Chapter
3
© SICK AG · Auto Ident · Germany · All rights reserved
8 008 207/30-11-2001
15
Product description
3.3
Indicators and control elements
3.3.1Control elements
The ISD is configured via jumpers and DIL switches.
The following can be selected (depending on type):
•
Carrier frequency (ISD 230)
•
Type of electrical data interface
•
Data transfer rate
Chapter 5.1 ISD 230 System, Page 22
and
Chapter 5.2 ISD 260 and ISD 280 Systems,
Page 33
describe the configuration.
3.3.2
Function of the LEDs
Four LEDs indicate the operating status, the intensity of received signal on the light path
and data transmitting respectively receiving on the electrical interface. The LEDs (
Fig. 3-3
)
are located on the top of the housing and on the front.
Table 3-4
shows the meaning of
the LEDs.
Fig.
3-3: LED indicators on the top of the housing
LED
Display
Function
Light
Yellow-orange
Indicates reception states (indicator for intensity of
path
received signal), visible from a distance.
interrupted
LED lit:
no light received from opposite station
(light path interrupted)
LED blinks:
reception intensity too weak
LED off:
reception ok
PWO
Green
LED lights up when the unit is switched on
(Power on)
RxD
Red
LED off:
idle level
LED flickers:
unit receiving data on the electrical
interface (input)
TxD
Yellow
LED off:
idle level
LED flickers:
unit sending data, which it received across
the optical link, on the electrical interface
(output)
Table
3-4: Meaning of LEDs
PWO
RxD
TxD