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- GE
- IS220PTCCH1B
- 12 Combustion Optimized Inputs
- USA
- 120 × 80 × 40 mm
- 0.5kg
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1. Product Overview, Brand & Series
Brand: GE / Fanuc
Series / Platform: Mark VIe / Speedtronic I/O Packs
The IS220PTCCH1B is a Thermocouple Input Module Pack (“PTCC” type) used in distributed I/O racks of turbine / process control systems. It is designed to interface thermocouple sensors (multiple types) for temperature measurement, convert their signals via analog‑to‑digital acquisition, and relay data through the communication network (e.g. Ethernet) into the control system.
This module includes local processing, diagnostic features, and is built for reliability in industrial conditions. It supports various configurations (simplex, redundant, TMR), supports cold‑junction compensation, and is optimized for thermocouple input accuracy over long cable runs.
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IS220PTCCH1B |
| Function | Thermocouple Input Module |
| I/O Channels | 12 thermocouple input channels |
| Thermocouple Types | Supports E, J, K, S, T types (grounded or ungrounded) |
| Measurement mV Span | Approximately −8 mV to +45 mV |
| Cold Junction Compensation | Yes, built in cold junction per pack / per input module |
| Cable Length / Resistance Limit | Up to ~300 m / 984 ft; max cable resistance ~450 ohms |
| Common Mode / Normal Mode Rejection | Normal‑mode rejection ~250 mV; common mode isolation specifications typical |
| Operating Temperature | Approximately −30 °C to +65 °C |
| Dimensions (L × W × H) | ≈ 10.16 cm × 33.02 cm × (depth unspecified) for certain revision; other listings ~120 × 80 × 40 mm |
| Weight | ≈ 0.5 kg |
| Mounting & Interface | I/O Pack, Ethernet connectors, DC‑37 output to terminal board; supports simplex / duplex / TMR configurations |
| Diagnostic Features | Self‑diagnostics (flash, RAM, processor, Ethernet port), LED indicators, power supply monitoring |
3. Applications
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Temperature monitoring in turbine combustion chambers and related process zones.
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Distributed process control in power generation plants.
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Replacement / upgrades in existing Mark VIe Speedtronic systems.
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Monitoring RTD / thermocouple signals for protection, safety, and efficiency control loops.
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Long cable thermocouple installations where signal integrity over distance is needed.
4. Key Advantages
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Supports multiple thermocouple types and wide mV input span, allowing flexibility in sensor choice.
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High accuracy and signal conditioning features (normal‑mode rejection, cold junction compensation).
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Supports redundancy (e.g. TMR) improving system reliability.
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Built‑in diagnostics simplify maintenance and fault detection.
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Reasonable size and moderate weight (~0.5 kg) for an I/O pack.
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Ethernet networking and soft‑start on power input help reduce inrush and improve system uptime.
5. Related / Similar Models & Popular Models
5.1 Related or Same‑Series Models
| Model | Description / Role |
|---|---|
| IS220PTCCH1B | Thermocouple Input Module (this model) |
| IS220PTCCH2A | Next revision or variant of thermocouple input pack |
| IS220TTURH1C | Turbine speed / turbine trip input module |
| IS220PDIAH1B | Digital‑input analog module for temperature / process signals |
| IS220PPROH1B | Protection / relay output module in same I/O pack family |
5.2 Other Popular Models from Same Brand / Family
| Model | Function / Highlights |
|---|---|
| IS220PAICH1B | Analog I/O module, mixing analog input / output control |
| IS200DSPXH1DBD | DSP processing module for I/O packs |
| IS200EDCFG1A | Feedback control board for field current / voltage |
| IS200VAICH1A | Voltage/current analog input channels |
| IS200TDBSH2A | Mixed discrete/analog I/O terminal board |
6. FAQ (10 Questions & Answers)
Q1: How many thermocouple channels does IS220PTCCH1B support?
A1: It supports 12 thermocouple input channels in a single module.
Q2: What mV input range does it accept?
A2: Approximately −8 mV to +45 mV for thermocouple/millivolt signal inputs.
Q3: What thermocouple types are supported?
A3: Types E, J, K, S, and T; grounded or ungrounded.
Q4: What is the maximum cable resistance or distance allowed?
A4: Cable resistance must be under approx 450 ohms; distance up to ~300 meters (~984 ft) from the terminal board.
Q5: What is the module’s operating temperature range?
A5: Approximately −30 °C to +65 °C for many revisions.
Q6: What are its dimensions and weight?
A6: Dimensions ~ 10.16 cm × 33.02 cm × (depth varies) or alternate listing ~ 120 × 80 × 40 mm; weight ≈ 0.5 kg.
Q7: Does it support redundant configurations?
A7: Yes. It can be configured in simplex, duplex, or triple modular redundancy (TMR).
Q8: Does it include diagnostic functions?
A8: Yes. Functions include self‑diagnostics for flash memory, RAM, processor, Ethernet ports; also LED indicators and power supply monitoring.
Q9: Which control systems is it compatible with?
A9: It’s intended for use with Mark VIe / Speedtronic and associated distributed I/O packs / terminal boards.
Q10: How is the module mounted / connected?
A10: It mounts via the I/O pack chassis; uses Ethernet connectors for network, and DC‑37 connector output to corresponding terminal board; soft‑start power input helps with stability on startup.
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