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The 3500/60 (133819-01) is a specialized six-channel temperature acquisition module designed for the 3500 Machinery Protection System by Bently Nevada. This configuration features internal terminations, allowing field wiring to connect directly to the rear terminal strips of the 3500 rack without requiring external terminal blocks.
The module processes input signals from both Resistance Temperature Detectors (RTDs) and Thermocouples (TCs), delivering accurate thermal data to the monitor for alarm generation and protective trip logic. It is commonly used to supervise bearing metal temperatures, stator windings, and turbine exhaust conditions.
The non-isolated design is optimized for high-density cabinet installations where sensors share a common ground reference. Each of the six channels utilizes high-resolution analog-to-digital conversion to ensure accurate detection of thermal transients for trend monitoring and machinery protection.
| Item | Specification |
|---|---|
| Part Number | 133819-01 |
| Compatible Monitor | 3500/60 Temperature Monitor |
| Input Capacity | 6 Independent Channels |
| Termination Type | Internal (direct rack terminal connection) |
| Isolation Type | Non-Isolated |
| Sensor Compatibility | 100 Ω Platinum RTDs; Thermocouples Type J, K, E, T |
| Dimensions | 24.2 cm × 2.6 cm × 11.2 cm |
| Net Weight | 0.46 kg |
The 3500/60 (133819-01) is the internal termination variant, ideal for compact control cabinets where field wiring is routed directly into the rack.
By contrast, external termination (ET) versions use interface cables and remote terminal blocks. ET configurations are typically preferred in large installations to simplify high-volume field wiring and improve service accessibility.
Bearing metal temperature monitoring
Generator stator winding supervision
Gas and steam turbine exhaust temperature measurement
Compressor and motor thermal protection loops
Can this module be mixed with isolated modules in the same rack?
Yes. The 133819-01 can be installed alongside isolated versions within the same 3500 rack, provided each I/O module is correctly paired with its corresponding 3500/60 monitor card.
Does this module support recorder outputs?
No. This I/O module does not provide proportional 4–20 mA recorder outputs. Applications requiring analog retransmission should use the 3500/61 monitor and its associated I/O module.