Timing Diagram; Start-Up; Led Status Description - Cedes GridScan/Mini-SB2 Installation And Operation Manual

GridScan/Mini-SB2/-ST2

9. Timing diagram

Power supply
Test input (L)
Object detection
PNP / NPN output
FSS output
Figure 14: General timing diagram
Power-up time
Response time with 32
elements
Release time
Test response time
Restart time
FSS sequence time
Test time
Table 2: General timing table

10. Start-up

1. Switch on mains and power-up the door control unit. The LEDs on the receiver edge blinks during the start-up phase.
2. Check the LED on both edges (power, status).
3. Test if the system is working correctly by letting the door open and close, interrupting the light during the opening
and closing process.

11. LED status description

Receiver edge (Rx)
Green LED Red LED
˜ ™
™ ˜
™
™
™ ™
Table 4: LED status description receiver edge
˜ = LED on ™ = LED off
10
t t
1 2
t
6
Time Value [ms]
t max. 2,500
1
t typ. 90
2
max. 175
t typ. 90
3
max. 175
t max. 100
4
t max. 200
5
t
6
t > 100
7
Sensor status
Light curtain free
Safeguarded area interrup-
ted or door closed
Start-up (slow blinking)
Internal malfunction (fast
blinking)
No power or edge is
defective (see Chapter 12)
= LED blinking
t t
4
3
Power supply U
SP
Power supply GND
Test input HIGH
Test input LOW
Output HIGH
1
Output LOW
Table 3: General timing table
Emitter edge (Tx)
Green LED Sensor status
Power OK
˜
No power or edge is defective
™
(see Chapter 12)
Table 5: LED status description emitter edge
TEST
t
5
t
7
PNP
10 ... 30 VDC 10 ... 30 VDC
0 V
> 10 VDC > 10 VDC
< 2 VDC
> U - 2 VDC
SP
impedance
high
impedance
© CEDES | V 2.2
English
On
Off
HIGH
LOW
Object
No object
HIGH
LOW
Closed
Open
NPN
0 V
< 2 VDC
high
< 2 VDC