I&C Tech Tools vs OT Toolbox

Instrumentation and control calculation tools for technicians and engineers. Some tools require an in-app purchase. I&C Tech Tool provides practical instrumentation and control calculation tools designed for field technicians, engineers, and students You can use selected tools for free. Advanced calculators and professional tools are available with a one-time in-app purchase. Features include: • Basic instrumentation calculations • Free access to selected tools • Advanced calculators available with in-app purchase • Practical reference tools for field use • Ongoing improvements and updates Some features require an in-app purchase. Free tools are available to preview before purchasing full access. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/ictechtool/home

OT Toolbox is a compact collection of practical tools for automation, controls engineering, commissioning, maintenance, and industrial service. Instead of searching through formulas, tables, and separate apps, keep essential OT calculations organized in one place – directly on your iPhone and without an account. NETWORKING AND INDUSTRIAL COMMUNICATION • IPv4 subnet calculator with network, broadcast, host range, and wildcard • IP comparison plus CIDR and subnet-mask conversion • IP planning, device inventory, and port reference • PROFINET device-name validation • OPC UA endpoint builder • Data-rate, transfer-time, and Ethernet frame-budget calculations SIGNALS AND INSTRUMENTATION • Linear scaling for analog values and PLC raw values • 4–20 mA troubleshooting, loop budgeting, and measurement-error estimation • PT100 resistance and temperature conversion • PT100 lead-wire error estimation • RC low-pass and ADC resolution calculations PLC, DATA, AND MODBUS • Binary, decimal, and hexadecimal conversion • Bit masks and two's-complement representation • Modbus address and FLOAT32 data conversion • Register-block planning and RTU timing • PLC time formats, watchdog sizing, memory demand, and cycle-load analysis ELECTRICAL AND ENERGY • Ohm's law plus active, apparent, and reactive power • Voltage drop and cable losses • 24 V DC power-supply sizing with reserve • UPS runtime and capacitor backup estimation • Energy consumption and operating-cost calculations DRIVES AND PNEUMATICS • Motor speed, motor torque, and gearbox calculations • Encoder resolution, positioning accuracy, and conveyor speed • Drive ramps and braking energy • Air consumption, cylinder force, and valve-island reserve SERVICE AND PRODUCTION • Unit, time, and cycle-time conversion • OEE and MTBF/MTTR availability • Maintenance-interval forecasting • Guidance calculation for safety distance • Formula reference for recurring tasks BUILT FOR DAILY FIELD WORK Clear field labels, units, and contextual help show exactly what to enter. Favorites, history, and templates bring frequently used tools back quickly. Colleague Mode presents results clearly and makes technical calculations easier to share. PRIVACY WITHOUT FRICTION Technical inputs stay locally on your device. No account, no tracking, and no ads. A selection of core tools is available for free. OT Toolbox Pro permanently unlocks advanced calculators and productivity features with one in-app purchase – no subscription. Important: Results are calculation aids. Manufacturer documentation, applicable standards, safety requirements, and review by qualified professionals always take priority.