3 system components, System components – ProSoft Technology PTQ-104C User Manual
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Hot Standby Support
49TPTQ-104C ♦ 48TQuantum Platform
12TUser Manual
47TIEC 60870-5-104 Client
7.1.3 System Components
The following illustration shows the components required for a Modicon Quantum
Hot Standby with Unity system.
1 Primary PLC
2 Standby PLC
3 Modicon Quantum Hot Standby with Unity controller with integrated
coprocessor
4 Fiber Optic Cable to connect to both controllers
5 Modicon Quantum power supply module: Install power supply in first slot for
better rack layout.
6 Modicon Quantum RIO head
7 Coaxial cable with splitters (7A) (MA-0186-100), trunk terminators (7B) (52-
0422-000), and tap (7C) (MA-0185-100) for connecting the RIO heads (6)
with the RIO drops (8). The dashed connections represent a redundant
connection in the RIO network, which is not required for the Modicon
Quantum Hot Standby with Unity system.
8 Modicon Quantum RIO drop
Page 84 of 136
ProSoft Technology, Inc.
March 4, 2013