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Address: 23E BlockB,Lushan Building,Chunfeng Road,Luohu District,Shenzhen,518001,China
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ABB NEW Module 3BSE020848R1 S800 I/O Termination Unit TU841 TERMINATION BASE PR:D
Description of TU841
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 Information
| 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 |
Communications
| Model No. | Protocol | Master or slave |
| CI801 | PROFIBUS DP-V1 | Slave |
| CI840A | PROFIBUS DP-V1 | Slave |
| CI853 | COMLI and MODBUS RTU | Master / Slave |
| CI854B | PROFIBUS DP-V1 | Master |
| CI855 | ABB's MasterBus 300 | Master |
| CI856 | ABB's S100 I/O | Master |
| CI857 | ABB's INSUM | Master |
| CI858 | ABB's DriveBus | Master |
| CI860 | FOUNDATION Fieldbus HSE | Master / Slave |
| CI865 | ABB's Satt I/O | Master |
| CI867 | MODBUS TCP | Master / Slave |
| CI868 | IEC 61850 | Master / Slave |
| CI869 | ABB's Advant Fieldbus 100 | Slave |
| CI871 | PROFINET IO | Master |
| CI873 | EtherNet IP / DeviceNet | Master |
| TB820V2 | ABB's Modulebus | Slave |
| TB825 (Multi Mode) | ABB's Modulebus | Slave |
| TB826 (Single Mode) | ABB's Modulebus | Slave |
| TB840A | ABB's Modulebus | Slave |
| TB842 | ABB's Modulebus | Not Applicable |
| TU807 | ABB's Modulebus | Not Applicable |
| TU840 | ABB's Modulebus | Not Applicable |
| TU841 | ABB's Modulebus | Not Applicable |
| TU846 | ABB's Modulebus | Not Applicable |
| TU847 | ABB's Modulebus | Not Applicable |
| TU848 | ABB's Modulebus | Not Applicable |
| TU849 | ABB's Modulebus | Not Applicable |
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 |
Features and benefits
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.) |
Some ABB items sold by WTL:
WTL is not liable for any personal injury or property damage
resulting from the use of this equipment. It is
buyer's responsibility as to the safe handling & operation of
this equipment and to verify equipment is
compliance to their machinery.
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