Distributed I/O System ET 200S

Block diagram
Backplane bus
P1
P2
1M
L+
Digital electronic modules
3.6 2DI 24 VDC High Feature digital electronic module (6ES7131-4BB01-0AB0)
ET 200S
backplane
bus circuit
Short circuit
protection
Reverse
polarity
protection
Figure 3-6 Block diagram of the 2DI 24 VDC High Feature
Input
electronics
Input
electronics
Technical Specifications 2DI 24 VDC High Feature (6ES7131-4BB01-0AB0)
Dimensions W × H × D (mm)
Dimensions and Weight
15 × 81 × 52
(the total dimensions depend on the selected
terminal module)
Weight Approx. 35 g
Supports isochronous operation
Data for specific modules
Yes
Number of inputs
Cable length
2
• Unshielded max. 600 m
• Shielded max. 1000 m
Parameter length 3 bytes
Voltages, currents, potentials
Rated supply voltage (from the power module) 24 VDC
• Reverse polarity protection Yes
Galvanic isolation
• Between the channels no
• Between the channels and backplane bus Yes
Permissible potential difference
• Between the different circuits 75 VDC / 60 VAC
Insulation test voltage 500 VDC
ET 200S
Manual, 12/2005, A5E00514527-03 3-21
1
5
3
7
2
6