EUCHNER CES-A-AEA-04B (Unicode) - Manual (Page 8)

Operating Instructions Safety System CES-A-AEA-02B/CES-A-AEA-04B
8
Block diagram CES-A-AEA-04B
Trans-
ponder
Trans-
ponder
Trans-
ponder
Trans-
ponder
Kopf 1 Kopf 2 Kopf opf 4
A B C D
0 V
0V
S
H11 H31 H21 H41 H12 H32 H22 H42 SH1 SH3 SH2 SH4
O3 O4 14 13 23 24 Y2
Demodulator
Filter
Verstärker
Komparat or
KA KB
K
( 1 aus 4
TST
0V J2 J1
O1 O2 DIA 23 Y1 24 Y2
+24 V
KA KB
CPU-A (Typ 1)
LED
STATE
OUT
DIA
Star t Start
CPU-B (Typ 2)
STATE OUT DIA
UB
Y
S
H4
H3
H2
H1
ON 1
2
3
4
5
6
Head selection
Demodulator
Filter
Amplifier
Comparator
CPU-A
(type 1)
Head -RF - mulitplexer
(1 of 4)
CPU-B
CPU-B
CPU-A
CPU-A
CPU-B
(type 2)
DIP switch
Activation of the
teach-in operation with
jumper
on J1, J2
Read heads
Coded
actuators Trans-
ponder
Head 1
DC
+ 24 V
Operating
voltage
Trans-
ponder
Trans-
ponder
Trans-
ponder
Head 2 Head 3 Head 4
+UB, 0 V Power supply
J1, J2 Short circuit bridge for teach-in operation
H11/H12...H41/H42 Connection for read heads 1 ... 4
SH1 ...SH4
Shield
TST Test input (see „Self-test with test input TST“ page 17)
O1 ... O4 Semiconductor monitoring outputs
DIA Diagnostics output
13, 14 Relay contact A connection, safety relay enable
23, 24 Relay contact B connection, safety relay enable
Y1, Y2 Feedback loop
S Start button connection (monitoring of the falling edge)