General specifications 1
2.3 UR2-H Rack 6ES7400-2JAx0-0AA0)
2.3 UR2-H Rack 6ES7400-2JAx0-0AA0)
Order number
The "x" variable has the following meaning for order number 6ES7400-2JAx0-0AA0:
● x=0: Mounting rail made of sheet steel
● x=1: Mounting rail made of aluminum
Introduction
The UR2-H rack is used for assembling two central racks or expansion racks in one rack.
The UR2-H rack essentially represents two electrically isolated UR2 racks on the same mounting rail. The main area of application of the UR2-H is in the compact structure of redundant S7-400H systems (two devices or systems in one rack).
Suitable modules for UR2-H
You can use the following modules in the UR2-H rack:
● When the UR2-H is used as a central rack:
All S7-400 modules except for receive IMs
● When the UR2-H is used as an expansion rack:
All S7-400 modules except for CPUs, send IMs, the IM 463-2, and the adapter module Special case: Power supply modules cannot be used in conjunction with the IM 461-1 receive IM.
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Rack
2.3 UR2-H Rack 6ES7400-2JAx0-0AA0)
Design of the UR2-H
The following figure shows the design of the UR2-H rack with 2x9 slots.
1 2
465 mm 482,5 mm 290 mm 190 mm
40 mm
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9
(1) System I (2) System II
Figure 2-3 Rack dimensions
CAUTION
Danger of damage to equipment.
If you insert the power supply module in a slot that is not intended for power supply modules, the module may be damaged. Slots 1 to 4 are permitted, whereby power supply modules starting from slot 1 must be inserted without leaving gaps.
Make sure that power supply modules are only inserted in permitted slots. Take particular notice of the option of swapping modules in slot 1 on rack II and slot 9 on rack I.
Specifications of the UR2-H rack
Rack UR2-H UR2-H
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Rack 2.4 Rack CR2 (6ES7401-2TA01-0AA0)
2.4 Rack CR2 (6ES7401-2TA01-0AA0)
Introduction
The CR2 rack is used for the design of segmented central racks. The CR2 has both an I/O bus and a communication bus. The I/O bus is split into two local bus segments with 10 or 8 slots.
Suitable modules for the CR2
You can use the following modules in the CR2 rack:
● All S7-400 modules except for receive IMs
Design of the CR2
1 2
3
4 5
465 mm 482,5 mm 290 mm 190 mm
40 mm
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
(1) Segment 1 (2) Segment 2 (3) I/O bus segment 2 (4) Communication bus (5) I/O bus segment 1 Figure 2-4 CR2 rack
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Rack
2.4 Rack CR2 (6ES7401-2TA01-0AA0)
Specifications of the CR2 rack
Rack CR2
Number of single-width slots 18
Dimensions W x H x D (mm) 482.5 x 290 x 27.5
Material of the mounting rail Sheet steel
Weight (in kg) 4,1
Busses Segmented I/O bus,
full-length communication bus Only one power supply module required
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Rack 2.5 Rack CR3 (6ES7401-1DA01-0AA0)
2.5 Rack CR3 (6ES7401-1DA01-0AA0)
Introduction
The CR3 rack is used for the design of central racks in standard systems (not in fault-tolerant systems). The CR3 has both an I/O bus and a communication bus.
Suitable modules for the CR3
You can use the following modules in the CR3 rack:
● All S7-400 modules except for receive IMs
● You can only operate only one CPU 41x-4H at a time.
Design of the CR3
190 mm
40 mm
1 2 3 4 1 2 3 4
115 mm 132 mm 290 mm
Figure 2-5 CR3 rack
Specifications of the CR3 Rack
Rack CR3
Number of single-width slots 4
Dimensions W x H x D (mm) 132 x 290 x 27.5
Material of the mounting rail Sheet steel
Weight (in kg) 0,75
Busses I/O bus and communication bus
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Rack
2.6 Racks ER1 (6ES7403-1TAx1-0AA0) and ER2 (6ES7403-1JAx1-0AA0)
2.6 Racks ER1 (6ES7403-1TAx1-0AA0) and ER2 (6ES7403-1JAx1-0AA0)
Order number
The "x" variable has the following meaning for order numbers 6ES7403-1TAx0-0AA0 und 6ES7403-1JAx01-0AA0:
● x=0: Mounting rail made of sheet steel
● x=1: Mounting rail made of aluminum
Introduction
The ER1 and ER2 racks are used for the design of expansion racks.
The ER1 and ER2 racks have only one I/O bus with the following restrictions:
● Interrupts from modules in the ER1 or ER2 have no effect since there are no interrupt lines provided.
● Modules in the ER1 or ER2 are not supplied with 24 V. Modules requiring a 24 V supply are not provided for use in the ER1 or ER2.
● Modules in the ER1 or ER2 are not backed up either by the battery in the power supply module or by the voltage supplied externally to the CPU or the receive IM (EXT.-BATT.
socket).
There is therefore no advantage in using backup batteries in the power supply modules in ER1 and ER2.
Battery faults and backup voltage faults are not reported to the CPU. The battery monitoring function of a power supply module installed in the ER1 or ER2 should therefore always be switched off.
Suitable modules for ER1 and ER2
You can use the following modules in the ER1 and ER2 racks:
● All power supply modules
● Receive IMs
● All signal modules provided the above-mentioned restrictions are observed.
Special case: Power supply modules cannot be used in conjunction with the IM 461-1 receive IM.
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Rack 2.6 Racks ER1 (6ES7403-1TAx1-0AA0) and ER2 (6ES7403-1JAx1-0AA0) Design of the ER1 and ER2
1 1
465 mm 240 mm
482,5 mm 257,5 mm
290 mm 190 mm
40 mm
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9
(1) I/O bus
Figure 2-6 ER1 rack with 18 slots and ER2 with 9 slots
Specifications of the ER1 and ER2 racks
Rack ER1
6ES7 403-1TA01-0AA0
6ES7 403-1TA11-ER1 0AA0
6ES7 403-1JA01-ER2 0AA0
6ES7 403-1JA11-ER2 0AA0 Number of single-width
slots 18 18 9 9
Dimensions
W x H x D (in mm) 482.5 x 290 x 2
7.5 482.5 x 290 x 27.
5 257.5 x 290 x 27.
5 257.5 x 290 x 27.
5 Material of the
mounting rail Sheet steel Aluminum Sheet steel Aluminum
Weight (in kg) 3,8 2,5 2,0 1,25
Busses Restricted I/O bus
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Rack
2.6 Racks ER1 (6ES7403-1TAx1-0AA0) and ER2 (6ES7403-1JAx1-0AA0)
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