General Information

• Manufacturer: Schneider Electric

• Model: 140CHS11000C

• Series: Modicon Quantum PLC

• Product Type: CPU Hot Standby Redundancy Module, Conformal Coated

• Function: High‑speed fiber synchronization between primary/standby CPUs for bumpless switchover

Description

Specifications

• Function: Redundant sync, heartbeat, fault switchover

• Switchover Time: 13–48 ms

• Sync Speed: 10 Mbps

• Media: 3 m fiber optic cable (standard)

• Backplane Current: 700 mA @ 5 VDC

• Operating Temp: 0 °C to +60 °C

• Coating: Conformal coated (protected PCB)

• Dimensions: 16.5 mm × 5 mm × 31 mm

• Weight: 0.65 kg

• Hot Swap: Yes

• Compatible CPUs: All Quantum hot‑standby capable CPUs

• Software: Concept ≥ V2.0; ProWORX 32 NxT ≥ V2.0

Key Features

1. Conformal Coating: Enhanced protection for harsh environments (dust, humidity, corrosion)

2. Bumpless Redundancy: Fast, lossless switchover on CPU failure

3. Fiber Communication: High noise immunity, 10 Mbps real‑time sync

4. Hot‑Swap Ready: Online replacement without system shutdown

5. Pair Operation: Used in pairs (primary/standby racks)

Applications

• Critical processes requiring zero downtime

• Power, water treatment, chemical, metallurgy, offshore

• Harsh environments with dust, moisture, or corrosive gases

Difference from 140CHS11000

• 140CHS11000: Standard (non‑coated)

• 140CHS11000C: Conformal coated for harsh environments