Siemens SIMATIC ET 200SP Base Unit Typ A1 – 6ES7193-6BP40-0DA1
With the BaseUnits (BUs), the ET 200SP offers a rugged and service-friendly design with permanent wiring:
- No tools needed for one-handed wiring using push-in terminals
- Actuation of the spring NC contacts with a standard screwdriver, with a blade width up to 3.5 mm
- Outstanding access due to arrangement of measuring tap, spring NC contacts and cable entry in columns, while at the same time reducing the space required by 64%
- Fault-proof color coding of the spring NC contacts for better orientation in the terminal panel
- Replacement of I/O modules during operation without affecting the wiring
- Operation with module gaps (gaps without I/O module)
- Automatic coding of the I/O modules prevents destruction of the electronics if a module is accidentally inserted in the wrong slot during replacement
- High EMC interference immunity:
- self-assembling shielded backplane bus
- multi-layer conductor plate with shield levels for interference-free signal transmission from the terminal to the I/O module
- system-integrated, space-saving shield connection for quick installation
- Self-assembling potential groups without external wiring or jumpers
- Replaceable terminal box
- Side-by-side latching of the BUs for high mechanical and EMC loads
- Optional module-specific color identification of the terminals according to the color code CC
- Optional equipment marking using slide-in equipment labeling plates
An ET 200SP station can be expanded via one ‘BU-Send’ BaseUnit with a “BA-Send” BusAdapter plugged onto it with up to 16 modules from the ET 200AL series of I/O devices with IP67 protection.
The different BaseUnits (BU) facilitate the exact adaptation to the required type of wiring. This enables users to select economical connection systems for the I/O modules used for their task. The TIA Selection Tool assists in the selection of the BaseUnits most suitable for the application.
BaseUnits with the following functions are available:
- Single-conductor connection, with direct connection of the shared return conductor
- Direct multi-conductor connection (2, 3 or 4-wire connection)
- Recording of the terminal temperature for the internal temperature compensation for thermocouple measurements
- AUX or additional terminals for individual use as voltage distribution terminal
The BaseUnits (BU) can be plugged onto DIN rails compliant with EN 60715 (35 x 7.5 mm or 35 mm x 15 mm). The BUs are arranged next to one another beside the interface module, thereby safeguarding the electromechanical link between the individual system components. An I/O module is plugged onto the BUs, which ultimately determines the function of the respective slot and the potentials of the terminals.
Potential group formation
Scalable I/O systems usually offer the possibility of individual potential group formation. In the case of distributed I/O devices, this previously required an additional power module (infeed module) that provided the separation from the left-hand potential group as well as the infeed, display, monitoring, and diagnostics of the load voltage. It also featured a filter function against external interference and offered protection against polarity reversal.
All of these functions are now integrated into the basic components of the system with ET 200SP. For users, this means the elimination of the power module. This saves an additional slot for each potential group, resulting in greater flexibility in terms of configuration and, ultimately, a saving of storage space.
A light BU separates the self-assembling, internal voltage buses (P1, P2, AUX) and thus opens a new potential group. The supply voltage of a potential group must be fed in at the light BU of this potential group.
A dark BU forwards the supply voltage of the adjacent light BU on the left via the self-assembling voltage buses P1, P2 and AUX. A new infeed is therefore only required on the next light BU to the right. The setting of a further light BU is required whenever
- a new potential group is to be formed (for example, for isolating the supply voltage from module groups) or
- the maximum current simultaneously required by the potential group exceeds the permissible limit of 10 A.
Equipment labeling plates
Equipment labeling plates enable the equipment to be easily identified (e.g. compliant with EN 81346). They are easily plugged onto the required component (interface modules, I/O modules and BaseUnits) and when required, they can be easily replaced with the component.
The following labeling components are available:
- Equipment labeling plates, white, ten sheets each with 16 labels, for thermal transfer card printers or labels
Color identification of the terminals
The potentials at the terminals of the BaseUnit are defined by the I/O module. Optionally, the potentials of the terminals can be identified by module-specific color-coded labels to prevent wiring errors. The color-coded label that matches the respective I/O module is defined by the color code CCxx of the I/O module. This color code is also printed on the front of the module.
In BaseUnits with 10 internally jumpered AUX terminals, these can also be identified with color-coded labels. For the 10 AUX terminals, color-coded labels are available in red, blue, and yellow/green.
System-integrated shield connection
For the space-saving and EMC-optimized connection of cable shields, a shield connection is available that is quick and easy to mount. This consists of one shield connection element that can be plugged onto the BaseUnit and one shield terminal for each module. The low-impedance connection to the functional ground (DIN rail) is achieved without any additional wiring by the user.
The BaseUnits can be equipped with an equipment labeling plate.
SIMATIC ET 200SP, BaseUnit BU15-P16+A0+12D/T, BU type A1, Push-in terminals, with 2x 5 add-on terminals, New load group, WxH: 15 mm x 141 mm, with temperature acquisition
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