Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG
Connection overview and functions
Inputs/outputs (I/O)
4-5
4
PCD7.LRSx-P5 room controllers
Overview of connections and functions (by model)
Terminal
2.5
mm
2
Label
Function
PCD7._ _ _ _-P5
LRS4
LRS5
1, 2
(4 mm
2
)
“
L”, “N”
230 V power supply
(terminal 1 × 4 mm
2
or 2 × 2.5 mm
2
)
─
3, 4
“
24 V~”,
“
24V0”
24 V power supply
─
3, 4
“
24 V~”,
“
24V0”
Auxiliary output voltage (24 VAC) for all triacs
─
5, 8
“
TN”
Auxiliary connections for triac output wiring
(internally connected)
v
“
T~”
Triac input voltage (24 VAC/230 VAC)
for all triacs
7
“
TO0”
Triac-switched output
Type 3
Type 3
9
“
TO1”
Triac-switched output
Type 3
Type 3
10, 11
“
RO3”,
“
IN3”
Output for relay 3; input for relay 3
Type 2
Type 2
12, 13
“
RN”
Auxiliary connections for relay output wiring
(internally connected)
14, 15
“
IN0”,
“
RO0”
Input for relay 0; output for relay 0
Type 1
Type 1
16, 17
“
IN1”,
“
RO1”
Input for relay 1; output for relay 1
Type 1
Type 1
18, 19
“
IN2”,
“
RO2”
Input for relay 2; output for relay 2
Type 1
Type 1
20, 21
“
WM1”,
“
WM2”
Sylk bus interface
22
“
24V~”
24 VAC power supply for field devices
23, 24, 25
“/DA+”, “DB-”, “GND”
RS-485 interface #1, common ground
28, 32
“
GND”
Common ground
27, 31
“
24V~”
24 VAC power supply for field devices
26
“
AO0”
Analogue output 0
Type 5
Type 5
29
“
AO1”
Analogue output 1
Type 4
Type 4
30
“
AO2”
Analogue output 2
Type 4
Type 4
33
“
AO3”
Analogue output 3
Type 4
Type 4
35, 38
“
GND”
Common ground
34
“
UI0”
Universal input 0
Type 7
Type 7
36
“
UI1”
Universal input 1
Type 7
Type 7
37
“
UI2”
Universal input 2
Type 7
Type 7
39
“
UI3”
Universal input 3
Type 7
Type 7
40, 41, 42
“/DA+”, “DB-”, “GND”
RS-485 interface #0, common ground
Description of columns PCD7._ _ _ _-P5
Terminal available
─
Terminal not available
Type 1 + Type 2
Relay output types
See section 4.3.1
Type 3
Triac output types
See section 4.3.2
Type 4 … Type 6
Analogue output types
See section 4.4
Type 7 + Type 8
Universal input types
See section 4.2