| Вид документа | Каталожна сторінка |
|---|---|
| Виробник | SIEMENS |
| Моделі | 3TK28 50, 3TK28 51, 3TK28 52, 3TK28 53, 3TK28 56, 3TK28 57 |
| Група обладнання | automation |
| Мова документа | англійська |
| Розмір файлу | 0.1 МБ |
Про документ
Safety relays from the Siemens 3TK28 family with contactor relay enabling circuits, offered as basic units (3TK28 50–53) and expansion units (3TK28 56–57) for expanding Siemens safety products. The table compares sensor inputs, enabling circuit configurations and supply voltage options across the six types.
Ключові дані
| Category according to EN 954-1 | max 3 (basic units), 4 (3TK28 53) |
|---|---|
| SIL level | max. 2 (3TK28 50–52), max. 3 (3TK28 53) |
| Rated control supply voltage | 24 V DC; 24 V AC; 115 V AC; 230 V AC (varies by type) |
| Switching capacity AC-15 | at U = 230 V (all types) |
| Switching capacity DC-13 | at U = 24 V (all types) |
Застосування
- Connection of safety mats
- Connection of sensors with contacts or solid-state sensors
Особливості
- Enabling circuit floating with stop category 0 (2 NO to 6 NO depending on type) or stop category 1 (3 NO on 3TK28 57)
- Enabling circuit solid-state, stop category 0, on types 3TK28 53, 3TK28 56, 3TK28 57
- Cascading input 24 V DC on expansion units
- Auto start and monitored start options
- Solid-state input on 3TK28 53
Технічні дані
| Parameter | Value |
|---|---|
| Type | 3TK28 50 / 3TK28 51 / 3TK28 52 / 3TK28 53 / 3TK28 56 / 3TK28 57 |
| Unit type | Basic units (50–53); Expansion units for expansion of Siemens safety products (56, 57) |
| Sensor inputs | Input: all basic units; solid-state input: 3TK28 53 only; sensors with contacts: 3TK28 50–53 |
| Start | Auto and monitored: basic units only |
| Cascading input 24 V DC | 3TK28 56, 3TK28 57 |
| Key-operated switches | Not available on any type |
| Enabling circuit, floating, stop category 0 | 3 TK28 50: 3 NO; 3TK28 51: 2 NO; 3TK28 52: 6 NO; 3TK28 53: 3 NO; 3TK28 56: 6 NO; 3TK28 57: -- |
| Enabling circuit, floating, stop category 1 | 3TK28 57: 3 NO; others: -- |
| Enabling circuit, solid-state, stop category 0 | 3TK28 53, 3TK28 56, 3TK28 57: available; others: -- |
| Signaling outputs, floating | 3TK28 51: 1 NC; 3TK28 52: 1 NC; 3TK28 56: 1 NC; 3TK28 50, 3TK28 53, 3TK28 57: -- |
| Signaling outputs, solid-state | Not available |
| Category according to EN 954-1 | 3TK28 50: 3; 3TK28 51: 3; 3TK28 52: 3; 3TK28 53: 4; 3TK28 56: corresponds to basic unit; 3TK28 57: corresponds to basic unit |
| SIL level max. | 3TK28 50: 2; 3TK28 51: 2; 3TK28 52: 2; 3TK28 53: 3; expansion units: -- |
| Rated control supply voltage | 24 V DC: all types; 24 V AC: 3TK28 50, 3TK28 51; 115 V AC: 3TK28 50, 3TK28 51; 230 V AC: 3TK28 50, 3TK28 51, 3TK28 52 |
| Rated operational voltage | 24 V DC, 230 V AC, 600 V AC: all types |
Варіанти замовлення
- Basic units: 3TK28 50, 3TK28 51, 3TK28 52, 3TK28 53
- Expansion units: 3TK28 56, 3TK28 57
Допуски та стандарти
- Category according to EN 954-1
Текст документа
3TK28 Safety Relays
With contactor relay enabling circuits
■ Selection and ordering data
Type 3TK28 50 3TK28 51 3TK28 52 3TK28 53 3TK28 56 3TK28 57
Basic units Basic units Basic units Basic units Expansion units1) Expansion units1)
tv
Sensors
• Input 1 1 1 1 -- --
• Solid-state -- -- -- ✔ -- --
• With contacts ✔ ✔ ✔ ✔ -- --
Safety mats ✔ ✔ ✔ ✔ -- --
Start
• Auto ✔ ✔ ✔ ✔ -- --
• Monitored ✔ ✔ ✔ ✔ -- --
Cascading input
24 V DC -- -- -- ✔ ✔ ✔
Key-operated switches -- -- -- -- -- --
Enabling circuit, floating
• Stop category 0 3 NO 2 NO 6 NO 3 NO 6 NO --
• Stop category 1 -- -- -- -- -- 3 NO
Enabling circuit,
solid-state
• Stop category 0 -- -- -- 1 1 1
• Stop category 1 -- -- -- -- -- --
Signaling outputs
• Floating -- 1 NC 1 NC -- 1 NC --
• Solid-state -- -- -- -- -- --
Category Corresponds to Corresponds to
according to 3 3 3 4 basic unit basic unit
EN 954-1 max
SIL level max. 2 2 2 3 -- --
Rated control supply voltage 7
• 24 V DC ✔ ✔ ✔ ✔ ✔ ✔
• 24 V AC/DC -- -- -- -- -- --
• 24 V AC ✔ ✔ -- -- -- --
• 115 V AC ✔ ✔ -- -- -- --
• 230 V AC ✔ ✔ ✔ -- -- --
• 24 ... 240 V AC/DC -- -- -- -- -- --
Rated operational voltage
• 24 V DC ✔ ✔ ✔ ✔ ✔ ✔
• 230 V AC ✔ ✔ ✔ ✔ ✔ ✔
• 600 V AC ✔ ✔ ✔ ✔ ✔ ✔
Switching capacity
• AC-15 at U = 230 V ✔ ✔ ✔ ✔ ✔ ✔
• DC-13 at U = 24 V ✔ ✔ ✔ ✔ ✔ ✔
✔ = Available
-- = Not available
1)
For expansion of Siemens safety products.
Siemens LV 1 · 2007 7/75
Документ виробника, опублікований як довідковий матеріал на обладнання, яке ми постачаємо. Правовласник може попросити прибрати його — приберемо.