German HYPERTAC plug HYPERTAC model HYPERTAC price

HYPERTAC plug terminal blocks, as a type of connector, are important components in the electrical industry, playing an irreplaceable and significant role. Since engineering technicians start troubleshooting by checking interfaces, i.e., terminals, the design of terminal blocks is particularly important. Terminal blocks can be classified into: European-style terminal block series, pluggable terminal block series, transformer terminal blocks, building wiring terminals, barrier-type terminal blocks, spring-type terminal blocks, DIN rail-mounted terminal blocks, wall-through terminal blocks, and optocoupler terminal blocks. The plastic insulation materials and conductive parts of terminal blocks directly affect their quality, determining the insulation performance and conductivity of the terminals respectively.

HYPERTAC plug applications

Mainly applied in lighting, communications, security, and other industries. Pluggable terminals have the widest range of applications, such as in variable frequency drives, explosion-proof equipment, CNC panels, access control controllers, sensors, PLC, instruments and meters, power supplies, servo drives. The common requirements for pluggable terminals in these industries are: stable insertion and extraction force, low contact resistance, and meeting certain life and fatigue endurance specifications, which imposes higher requirements on metal spring clip materials. This requires product designers to have experience in structure and material selection. Barrier-type terminals are mainly applied in: power supplies, relays (especially double-deck terminals), variable frequency drives, elevator industry (less common), and air conditioning. Requirements for this series include high torque requirements for screws during wire clamping, the distance when the screw is retracted to its highest position must be greater than the maximum wire clamping range, long-position terminals must not warp or deform, and screws must have high corrosion resistance.

HYPERTAC plug classification

1) By shape: circular electrical connectors, rectangular electrical connectors. Circular electrical connectors are most widely used in military equipment (aviation, aerospace) due to their structural characteristics. Rectangular electrical connectors are more commonly used on printed circuit boards of electronic devices due to their simple structure. 2) By structure: By connection method: threaded connection, bayonet (quick) connection, latch connection, push-pull connection, direct plug-in connection, etc.; By contact termination form: crimping, soldering, wire wrapping; screw (cap) fixation; By environmental protection: environment-resistant electrical connectors and general-purpose electrical connectors. 3) By application: RF electrical connectors, sealed electrical connectors (glass-to-metal seal), high-temperature electrical connectors, automatic disconnect electrical connectors, filter electrical connectors, composite material electrical connectors, airport power electrical connectors, printed circuit board electrical connectors, etc.

HYPERTAC plug usage precautions

Fieldbus is gradually being promoted in industrial sites. Many devices not only have traditional instrument functions but also fieldbus capabilities. In DCS, fieldbus is widely used. The following issues should be noted when using fieldbus: 1) Communication distance. Fieldbus communication distance generally has certain requirements. For example, PROFIBUS/DP at 12Mbps rate, using standard cable, can reach 200m; if using 187.5kbps rate, it can reach 1 000m. Communication distance has two meanings: first, the distance between two nodes without repeaters; generally, distance is inversely proportional to communication rate; second, the distance between the two farthest nodes in the entire network. Manufacturers' descriptions of this are often unclear. In actual use, the entire network range must be considered. Electromagnetic signals take time to propagate through cables. Especially in some high-speed fieldbuses, if the distance is increased, some communication parameters must be modified; 2) Cable selection. The site environment determines the fieldbus communication speed and medium. Generally, fieldbus uses electrical signals to transmit data, inevitably affected by the surrounding electromagnetic environment during transmission. Most fieldbuses use shielded twisted pair cables. Note that different types of fieldbuses may require different shielded twisted pair cables. Fieldbus developers usually specify a special cable, and only by correctly using this cable can the specified rate and transmission distance be achieved. In extremely harsh electromagnetic conditions, optical fiber is a reasonable choice; otherwise, local interference may affect the operation of the entire fieldbus network; 3) Isolation. Generally, fieldbus electrical signals are electrically isolated from the device internals. Fieldbus cables are distributed throughout the workshop. If high voltage intrudes, it will damage the bus transceivers of all devices in the network segment. Without isolation, high voltage signals will continue to damage other internal circuits of the device, leading to serious consequences; 4) Shielding. The outer layer of the shielded cable used in fieldbus must be grounded at one point. If high-frequency interference is severe, multi-point capacitive grounding can be used. Multi-point direct grounding is not allowed to avoid ground loop currents; 5) Connectors. Fieldbus generally does not have strict regulations on connectors, but improper handling can affect system communication. For example, fieldbus generally uses a bus-type daisy chain connection. When connecting each device, attention must be paid to how to insert and remove equipment without affecting existing communication, which imposes certain requirements on connectors; 6) Termination matching. Fieldbus signals, like all electromagnetic wave signals, exhibit reflection phenomena. Resistive matching should be used at both ends of each network segment of the bus. The first function is to absorb reflections, and the second is to achieve correct voltage levels at both ends of the bus to ensure communication. Therefore, fieldbus technology is the intersection and integration of control, computer, and communication technologies. Its emergence and rapid development reflect the control field's requirements for reducing costs, improving reliability, enhancing maintainability, and increasing the intelligence of data acquisition.

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