Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG
Power supply and earthing concept
Room controller/CPU
3-9
3
3.3.2
Devices with a 24 VAC supply
The 24 VAC models are supplied via a black removable connector (termi-
nals 3 + 4) that allows the power supply adapter connection to be interlinked. See
next figure.
These terminals support cables with 1 × 2.5 mm
2
or 2 × 1.5 mm
2
.
230 V AC
(-15 % / +10 %)
50/60 Hz
N
L
PCD7.LRL5
PCD7.LRS5
24 V AC
(±20 %)
GND
0-10V
V
TN T~ TO0 TN TO1
Power Supply
---
230 V In
24 VAC In
24 VAC Out
RS485 / Port 1
T1 R1 T0 R0
1
L
2
N
3
24V~
4
24V0
5
TN
6
T~
7
TO0
8
TN
9
TO1
3
4
5
6
7
8
9
RO3 IN3 RN RN IN0 RO0 IN1 RO1 IN2 RO2
RUN/HALT
RS485 / Port 1
0-10V
GND
Dig.
NTC
V
TN T~ TO0TNTO1 TO2 TNTO3
C1+
/D A +
D B -
GND
C1-
GND
0-10V
V
Power Supply
24 VAC
Out
---
230 V
24 VAC
---
USB
T2
R2 T1 R1 !
1
L
2
N
3
24V~
4
24V0
5
24V~
6
24V0
7
TN
8
T~
9
TO0
10
TN
11
TO1
12
TO2
13
TN
14
TO3
15
RC3
16
RO3
17
IN3
18
RN
19
RN
20
IN0
21
RO0
22
IN1
23
RO1
24
IN2
25
RO2
3
4
5
6
7
8
9
10 11 12 13 14
16 17 18 19 20 21 22 23 24 25
Multiple 24 VAC controllers connected to a single power supply adapter
More technical data can be found in Section “3.5 General technical details”