ABB's Modulebus Digital I O Module Redundant Single I/O, Single Power TU841 3BSE020848R11
Brand Name:ABB
Model Number:TU841 3BSE020848R11
Minimum Order Quantity:1
Delivery Time:2-3 working days
Place of Origin:India
Price:Negotiations
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Shenzhen Guangdong China
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Product Details
ABB's Modulebus Digital I O Module Redundant Single I/O, Single Power TU841 3BSE020848R11
Features and benefits
• A rotary switch for cluster address setting
• Mechanical keying prevents insertion of wrong module type
• Single ModuleBus connection
• Latching device to DIN rail for locking and grounding
• DIN rail mounted
The TU841 is a module termination unit (MTU) for redundant configuration of Optical ModuleBus Modem TB840/TB840A, for use with non-redundant I/O.
The MTU is a passive unit having connections for power supply, a single electrical ModuleBus, two TB840/TB840A and a rotary switch for cluster address (1 to 7) setting.
Four mechanical keys, two for each position, are used to configured the MTU for the right types of modules. Each key has six positions, which gives a total number of 36 different configurations. The configurations can be changed with a screwdriver.
Termination Unit TU840 connects TB840/TB840A to redundant I/O. Termination Unit TU841 connects TB840/TB840A to non-redundant I/O.
General info
| Protocol | ABB's Modulebus |
| Article number | 3BSE020848R11 |
| Master or slave | Not Applicable |
| Line redundancy | Yes |
| Hot Swap | No |
| Type | Redundant TB840/TB840A, Single I/O, Single Power |
| Power input | 24 V d.c (19.2 - 30 V) |
| Mounting | Vertical or Horizontal |
Detailed data
| 24 V consumption typ. | N/A |
| ModuleBus current distribution | Maximum 5 V 1.5 A 24 V 1.5 A |
| Mechanical Keys | 36 different combinations |
| Acceptable wire sizes | Solid: 0.2 - 2.5 mm2 Stranded: 0.2 -2.5 mm2, 24 -12 AWG Recomended torque: 0.5 Nm |
| Rated insulation voltage | 50 V |
| Dialectic test voltage | 500 V a.c |
| Power dissipation | 2.0 W |
Environmental and certification
| Temperature, Operating | 55° C (131° F) horizontal mounted. 40° C (104° F) vertical mounted |
| Temperature, Storage | -25° C (-13° F) to +70° C (158° F) |
| Equipment class | Class 1 according to IEC 60536; (earth protected) |
| Ingress protection | IP20 according to IEC 60529 |
| CE- marking | Yes |
| Electrical Safety | cULus |
| Hazardous location | cULus Hazardous Location Class 1 Zone 2, ATEX Zone 2 |
| Marine certificates | ABS, BV, DNV-GL, LR, RS, CCS |
| RoHS compliance | EN 50581:2012 |
| WEEE compliance | DIRECTIVE/2012/19/EU |
Dimensions
| Height | 186 mm (7.32 in.) including latch |
| Width | 124 mm (4.88 in.) |
| Depth | 47 mm (1.85 in.) |
| Weight (including base) | 0.45 kg (0.99 lbs.) |
ABB's Modulebus Digital I O Module Redundant Single I/O, Single Power TU841 3BSE020848R11
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