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)
4-3
4
PCD7.LRLx-P5 room controllers
Overview of connections and functions (by model)
Terminal
2.5
mm
2
Label
Function
PCD7._ _ _ _-P5
LRL2 LRL4 LRL5
1, 2
(4 mm
2
)
“L”, “N”
230 V power supply
(terminal 1 × 4 mm
2
or 2 × 2.5 mm
2
)
---
3, 4
“24V~”, “24V0”
24 VAC supply voltage input
─
─
5, 6
“24V~”, “24V0”
Auxiliary output voltage (24 VAC) for all triacs
7, 10, 13
“TN”
Auxiliary connections for triac output wiring
(internally connected)
8
“T~”
Input voltage (24 VAC/230 VAC)
for all triacs
9
“TO0”
Triac-switched output
Type 3 Type 3 Type 3
11
“TO1”
Triac-switched output
Type 3 Type 3 Type 3
12
“TO2”
Triac-switched output
Type 3 Type 3 Type 3
14
“TO3”
Triac-switched output
Type 3 Type 3 Type 3
15
Not used
─
─
─
16, 17
“RO3”, “IN3”
Output for relay 3; input for relay 3
Type 2 Type 2 Type 2
18, 19
“RN”
Auxiliary connections for relay output wiring
(internally connected)
20, 21
“IN0”, “RO0”
Input for relay 0; output for relay 0
Type 2 Type 2 Type 2
22, 23
“IN1”, “RO1”
Input for relay 1; output for relay 1
Type 1 Type 1 Type 1
24, 25
“IN2”, “RO2”
Input for relay 2; output for relay 2
Type 1 Type 1 Type 1
26, 27,
28
“/DA+”, “DB-”,
“GND”
RS-485 Modbus interface #1,
common ground
29
“24V~”
24 VAC power supply for field devices
30, 31
“WM1”, “WM2”
Sylk bus interface
33, 37, 41
“GND”
Common ground
35, 39, 43
“24V~”
24 VAC power supply for field devices
32
“AO0”
Analogue output 0
Type 6 Type 6 Type 6
34
“AO1”
Analogue output 1
Type 6 Type 6 Type 6
36
“AO2”
Analogue output 2
─
Type 4 Type 4
38
“AO3”
Analogue output 3
─
Type 4 Type 4
40
“AO4”
Analogue output 4
─
Type 4 Type 4
42
“AO5”
Analogue output 5
─
Type 4 Type 4
44
“24V~”
24 VAC power supply for field devices
─
─
45
“LED”
Output for LED from PCD7.L632,
Q.RCU-A-TSOx and T7460C, E, F
─
─
46, 49, 52
55, 58, 61
“GND”
Common ground
47
“UI0”
Universal input 0
Type 7 Type 7 Type 7
48
“UI1”
Universal input 1
Type 7 Type 7 Type 7
50
“UI2”
Universal input 2
Type 7 Type 7 Type 7
51
“UI3”
Universal input 3
Type 7 Type 7 Type 7
53
“UI4”
Universal input 4
Type 7 Type 7 Type 7
54
“UI5”
Universal input 5
Type 7 Type 7 Type 7
56
“UI6”
Universal input 6
─
Type 8 Type 8
57
“UI7”
Universal input 7
─
Type 8 Type 8
59
“UI8”
Universal input 8
─
Type 8 Type 8
60
“UI9”
Universal input 9
─
Type 8 Type 8
62, 63,
64
“/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
