Appendix

A2: CAPI 2.0 Error Messages

Number (hex)

Description

0x1001

Error in API_REGISTER

0x1002

Invalid application ID

0x1003

Invalid message

0x1004

Invalid command or subcommand

0x1005

Queue full

0x1006

Queue empty

0x1007

Queue overflow

0x1008

Deinstallation error

0x2001

Invalid controller

0x2002

Invalid PLCI

0x2003

Invalid NCCI

0x2004

Invalid type

0x3101

Error in B channel

0x3102

Error in info mask

0x3103

Error in MSN service mask

0x3104

Error in SI service mask

0x3105

Invalid protocol layer 2

0x3106

Invalid DLPD

0x3107

Invalid protocol layer 2

0x3108

Invalid NCPD

0x3109

Invalid NCPIs

0x3201

General controller error

0x3202

LISTEN_REQs not unique

0x3203

Unsupported function

0x3204

PLCI not active

0x3205

NCCI not active

0x3206

Protocol l2 not supported

0x3207

Cannot select protocol I2 now

0x3208

Protocol l3 not supported

0x3209

Cannot select protocol I3 now

0x320a

Invalid DLPD parameter

0x320b

Invalid NCPD parameter

0x320c

Invalid NCPI parameter

0x320d

Data length not supported

0x3301

Setup error D channel, layer 1

0x3302

Setup error D channel, layer 2

0x3303

Setup error B channel, layer 1

0x3304

Setup error B channel, layer 2

0x3305

Turned off D channel, layer 1

0x3306

Turned off D channel, layer 2

0x3307

Turned off D channel, layer 3

0x3308

Turned off B channel, layer 1

0x3309

Turned off B channel, layer 2

0x330a

Turned off B channel, layer 3

0x330b

Restored B channel, layer 2

0x330c

Restored B channel, layer 3

0x34xx

Connection ended/terminated

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Siemens I-SURF manual A2 Capi 2.0 Error Messages, Number hex Description

I-SURF specifications

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One of the standout features of Siemens I-SURF is its comprehensive real-time monitoring capabilities. The platform utilizes advanced sensor technologies and IoT connectivity to provide continuous data on various parameters such as flow rates, water quality, and pressure levels. This real-time data collection enables operators to quickly identify issues and respond proactively, minimizing potential disruptions in service.

The integration of Artificial Intelligence (AI) within Siemens I-SURF enhances decision-making processes. By analyzing historical and real-time data, AI algorithms can help predict demand fluctuations, identify potential equipment failures, and recommend optimal maintenance schedules. This predictive capability not only reduces operational costs but also extends the lifespan of critical assets.

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Another significant characteristic of Siemens I-SURF is its cloud-based architecture. This enables seamless data sharing and collaboration among various stakeholders, including operators, engineers, and management. The scalability of the cloud infrastructure means that utilities can expand their systems as needed, without significant upfront investments in hardware.

In terms of security, Siemens I-SURF incorporates robust cybersecurity measures to protect sensitive data and ensure the integrity of operations. This commitment to security is essential in a landscape where cyber threats are becoming increasingly prevalent.

In conclusion, Siemens I-SURF stands out as a transformative tool for water and wastewater management. With its real-time monitoring, AI-driven analytics, user-friendly interface, cloud-based agility, and strong security features, the platform represents a comprehensive solution for modern utilities seeking efficiency, sustainability, and resilience in their operations. As the demand for responsible water management intensifies, Siemens I-SURF positions utilities to meet these challenges head-on, paving the way for a smarter and more sustainable future.