راهنمای جامع فایروالهای صنعتی و تقسیمبندی شبکه OT
فایروالهای صنعتی نقش حیاتی در امنیت سایبری OT ایفا میکنند و از شبکههای PLC، DCS و SCADA از طریق بخشبندی، کنترل ورود/خروج و ادغام IDS/IPS مطابق با اصول IEC 62443 محافظت میکنند.



The IS220PAICH1B is a Mark VIe distributed Analog I/O Pack designed for interfacing field analog signals with the control system. It supports voltage and current analog inputs, analog outputs, and integrated transmitter power functions within the GE Mark VIe platform. The module is approved for use with specific terminal boards including STAI and TBAI series accessories and is suitable for hazardous location installations when used according to GE installation requirements.
The IS220PAICH1B Analog I/O Pack provides acquisition of analog process signals, output signal generation for field devices, and transmitter excitation power. It is commonly deployed in turbine control systems, process automation systems, balance-of-plant applications, and other industrial control environments utilizing the Mark VIe architecture. The module supports both voltage and current-based instrumentation and communicates through the Mark VIe distributed I/O infrastructure.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS220PAICH1B |
| Product Type | Mark VIe Analog I/O Pack |
| System Platform | Mark VIe Control System |
| Power Supply Voltage (Min) | 22.5 V dc |
| Power Supply Voltage (Nominal) | 24.0 / 28.0 V dc |
| Power Supply Voltage (Max) | 28.6 V dc |
| Maximum Current Consumption | 0.49 A dc |
| Analog Inputs 1-8 Voltage Range | -10 to +10 V dc |
| Analog Inputs 1-8 Current Range | 0 to 20 mA dc |
| Analog Inputs 9-10 Voltage Range | -5 to +5 V dc |
| Analog Inputs 9-10 Current Range | -1 to 20 mA dc |
| Analog Output Voltage Range | 0 to 16.3 V dc |
| Analog Output Current Range | 0 to 20 mA dc |
| Analog Transmitter Power Voltage | 22.8 to 25.2 V dc |
| Analog Transmitter Power Nominal Voltage | 24.0 V dc |
| Analog Transmitter Power Current | 21 mA dc |
| Hazardous Location Support | Yes |
| Origin | United States |
| Weight | Not specified in provided source |
| Dimensions | Not specified in provided source |
Source data extracted directly from GEH-6725R PAIC/YAIC Analog I/O Module specifications.
| Accessory Terminal Board |
|---|
| IS200STAIH1A |
| IS200STAIH2A |
| IS200TBAIH1C |
| IS400STAIH1A |
| IS400STAIH2A |
| IS400TBAIH1C |
Approved combinations are explicitly listed for IS220PAICH1B hazardous location installations.
| Parameter | Value |
|---|---|
| Voc / Uo | 28.6 V |
| Isc / Io | 22.4 mA |
| Po | 0.64 W |
| Ca / Co | 0.26 uF |
| La / Lo | 100 mH |
Applicable when used under Intrinsic Safety "ic" installation requirements.
| Connector Pin | Function |
|---|---|
| TB1.45 | Signal 1 + |
| TB1.46 | Return 1 - |
| TB1.47 | Signal 2 + |
| TB1.48 | Return 2 - |
| TB2.45 | Signal 1 + (TBAI) |
| TB2.46 | Return 1 - (TBAI) |
| TB2.47 | Signal 2 + (TBAI) |
| TB2.48 | Return 2 - (TBAI) |
Extracted from the Intrinsic Safety field terminal assignments.
| Certification Type | Approval |
|---|---|
| UL Certification | UL E207685 |
| ATEX Certification | UL DEMKO 13 ATEX 1214780X |
| Class I Division 2 | Groups A, B, C, D |
| Class I Zone 2 | Group IIC |
| ATEX Zone 2 | Group IIC |
| Equipment Marking | Class I, Div 2, Groups A, B, C, D, T4 |
| Zone 2 Marking | AEx nA nC [nC] IIC T4 |
| ATEX Marking | Ex ic nA [ic] IIC T4 Gc |
Extracted directly from Appendix A, Appendix B and Appendix C.
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| Color pattern |
سیاه
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| Country of origin |
ایالات متحده آمریکا
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| Power source |
برق DC
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