ABB Digital S800 I/O Module Termination Unit DCS TU849 3BSE042560R1 In Stock
Description of TU849
The TU849 is a module termination unit (MTU) for redundant configuration of Optical ModuleBus Modem TB840/TB840A.
The MTU is a passive unit having connections for double power supply, one for each modem, 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.
The MTU can be mounted on a standard DIN rail. It has a mechanical latch that locks the MTU to the DIN rail. The latch can be locked/unlocked with a screwdriver.
Termination unit TU848 has individual power supply connections and connects TB840/TB840A to redundant I/O. Termination unit TU849 has individual power supply connections and connects TB840/TB840A to non-redundant I/O.
• Dual power supply connection
• 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
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
RoHS compliance
EN 50581:2012
WEEE compliance
DIRECTIVE/2012/19/EU
Dimensions
Height
186.5 mm (7.34 in.) including latch
Width
124 mm (4.88 in.)
Depth
47 mm (1.85 in.)
Weight (including base)
0.45 kg (0.99 lbs.)
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