Sinclair SDV6 User And Installation Manual page 48

Table 5.8 Communication mode
IDU and ODU type
All IDUs and ODUs are SDV6 series
At least one IDU or ODU is not SDV6 series
communication
Table 5.9 Communication wiring material
Communication mode
RS-485 (P Q E) communication
RS-485 (P Q) communication
HyperLink (M1 M2) communication
(The IDUs in a system can be powered
separately)
HyperLink (M1 M2) communication (All
IDUs in a system must be powered
through a uniform power supply)
HyperLink (M1 M2) communication wiring configuration – IDUs uniform power supplied
L1+La+Ln≤2000m. Communication wiring 2*0.75mm
N L
Master ODU
1# IDU
M2 M1 M2 L
M1
L1
Communication protocol
SDV6 communication protocol
Non-SDV6 comm. protocol
Type of wire
PVC-sheathed
copper-core flexible
shielded cable
PVC-sheathed
copper-core flexible
shielded twisted pair
Ordinary PVC-sheathed
flexible cable
Ordinary PVC-sheathed
flexible cable
2
Circuit breaker
Distribution box
···
2-(n-2)#IDU
N
La
43
Optional communication mode
between the IDU and ODU
HyperLink (M1 M2) communication
RS-485 (P Q) communication
RS-485 (P Q E)
Number of cores and
wire diameter (mm ) communication line (m)
2
3х0.75
2х0.75
2х1.5
(2 repeaters are required)
2х0.75
Distribution box
(n-1)# IDU
M2 L N
M1
Ln
Total length of
L≤1200
L≤1200
L≤600
L≤2000
Communication wire
Power wire
n# IDU
M1 M2 L N
Figure 5.44