ABB Digitic 500 Industrial Controller

ABB Digitic 500 Industrial Controller

Product overview

The Digitic 500 is a compact industrial controller suitable for single control loop instrumentation to small and medium-sized process automation, capable of completing simple to complex control tasks. Its documentation system includes installation manuals, debugging manuals, operation manuals, etc., and interface instructions (such as MODBUS) can also be provided upon request.

Basic configuration and functions

Basic version: Includes 1 universal input (supporting signals such as thermocouples, Pt100, transmitters, etc., with built-in standard sensor linearization table), 1 mA input (can be used as feedforward or setpoint input, and position feedback in stepper controllers), 1 mA output (for positioning signals, etc.), 2 configurable binary inputs/outputs, 2 relays (for executing signals, alarm outputs, etc.), and 4 module slots for expanding functions.

Programmer: Each controller includes a configurable programmer that can preset time related settings, store up to 10 programs, and each program contains 15 segments.

Controller output types: including two-point PID control, hot off cold control, step control, continuous control (optional split range output), etc.

Parameters and Configuration: Parameter settings require entering the password protected parameter level through the menu key; The configuration methods include list configuration (selecting standard functions from the built-in list of the device, which can be operated through IBISRR computer program) and free configuration (allowing customers to specific configurations, which can be added with logic control through the function plan editor).

Installation process

Model identification: Identify the model through the side nameplate.

Installation location: Suitable for front installation in control rooms, control cabinets, and machines, ensuring that it does not exceed the climate and mechanical capacity limits specified in the "Technical Data".

Installation steps:

Panel opening: It must comply with DIN 43700 standard, with dimensions of 92+0.8mm × 92+0.8mm. When installed horizontally and tightly, the strip width should be at least 10mm, and at least 40mm ventilation space should be reserved above and below.

Fixed equipment: Remove the front panel dust cover, rotate the clamping claw screw counterclockwise until the clamping claw can be inserted into the panel, push the module into the panel opening, then rotate the screw clockwise to fix it, and finally reinstall the dust cover.

Connection instructions

Signal connection (basic model): using plug-in screw terminals, supporting solid or multi strand wires (maximum wire cross-section of 1.5mm ², maximum relay of 2.5mm ²), including interfaces for power connection, analog input/output, binary input/output, relay output, etc., with relay output up to 250V AC, 1A (cos φ=0.9).

Module and computer connection: The backend includes shielded terminal boards, basic model signal connections, computer ports (configuration interfaces), relay outputs, power supply, and other interfaces.

Module type and configuration

Available modules: including various analog input modules (such as 4 x mA, 2 x mA/thermocouple/mV, 4 x thermocouple, 4 x Pt100, etc.), binary input/output modules (6 channels), analog output modules (3 x mA, 3 x V), digital output modules (4 x relays), interface modules (RS-485, RS-232, PROFIBUS DP slave), etc., with a total of 4 module slots. There are no fixed slot restrictions for module allocation except for interfaces and relays.

Module installation and replacement: Before installation, all hazardous voltages need to be disconnected. Remove the sub component by rotating the twisting screw of the sub component, insert the module into the guide slot from above and install it on the bus PCB, then push back the sub component and lock it; The installation and disassembly of the bus PCB require the use of a screwdriver to operate the snap fastener.

Power supply and grounding

Power connection: Supports 115/230V AC (90-260V, 47-63Hz) or 24V UC. Please follow the relevant power installation specifications and connect the protective grounding conductor before connection. The 24V power supply also needs to be connected to the grounding conductor.

Shielding treatment: A shielding terminal board needs to be installed to fix the shielding layer of the data cable on the contact surface. If there are auxiliary wires in the shielding layer, they can be connected to the terminal.

Technical Parameter

Input: Universal input resolution of 12 bits, measurement tolerance ≤ 0.2% (relative to nominal range), temperature impact ≤ 0.2%/10 ℃; Binary input/output is configurable, with a nominal input level of 24V DC and a maximum output of 100mA.

Output: Analog output 0/4... 20mA (maximum 750 Ω, short circuit and open circuit protection), resolution of 12 bits; The maximum output of the relay is 250V AC, 1A.

Environmental conditions: working temperature 0... 50 ℃, storage temperature -20... 70 ℃, relative humidity ≤ 75% (annual average), short-term up to 95% (slight condensation allowed); Meets EMC related standards and has strong anti-interference ability.