Siemens SIMATIC ET 200S Manual page 9

Block diagram
Figure 1-1
Technical specifications for the 2AI RTD HF (6ES7134-4NB51-0AB0)
Width (mm)
Weight
Supports isochronous operation
Number of inputs
Cable length
•
Parameter length
Address space
Rated load voltage L+ (from the power module)
•
Power supply of the transducers
•
•
Electrical isolation
•
•
•
Permissible potential difference
•
Insulation tested
2AI RTD HF analog electronic module (6ES7134-4NB51-0AB0)
Manual, 05/2007, A5E01076876-02
1.1 2AI RTD HF analog electronic module (6ES7134-4NB51-0AB0)
Block diagram of the 2AI RTD HF
Shielded
Reverse polarity protection
Constant-current supply for resistance-type
sensors
Short-circuit protection
Between the channels and backplane bus
Between the channels and load voltage L+
Between the channels
Between M and the central grounding point
ANA
(U )
ISO
Dimensions and weight
15
Approx. 40 g
Module-specific data
No
2
Max. 200 m
7 bytes (4 bytes when used as 2AI RTD ST)
4 byte
Voltages, currents, potentials
24 VDC
Yes
Yes
Approx. 1.25 mA
Yes
Yes
Yes
No
75 VDC / 60 VAC
500 VDC
Properties
9