Tension Electronics PFEA113, User Manual
Chapter 2 Installation
2-14
3BSE029382R0101 Rev C
2.13 Connecting Optional Units
2.13.1 Insulation Amplifier PXUB 201
Insulation amplifier PXUB 201 is used when galvanic insulation between input and output, or
between power supply and input/output, is required. See
Section A.6.1 Insulation Amplifier
Insulation amplifier PXUB 201 is intended for installation on a DIN-rail. The PXUB 201 is
connected by screw terminals.
PXUB 201 is normally supplied from the same +24 V DC supply that supplies the tension
electronics.
If PXUB 201 is mounted close to the terminal group, it is not necessary to use a screened cable
between the tension electronics and PXUB 201.
Figure 2-16. Typical Connection of Insulation Amplifier PXUB 201
2.13.2 Relay Board PXKB 201
The digital outputs on PFEA113 are isolated as a group and should not be connected to more
than 24 V DC. In the following applications should relays be connected to the digital outputs:
•
The digital outputs must be isolated from each other.
•
The signal to the superior system is higher than 24 V DC or an AC signal.
The PXKB 201 is intended for mounting on a DIN-rail.
Table 2-4. Truth table PXKB 201.
Input signal to A1(+) and A2(-)
Connection between
Digital input low (0 V)
11 and 12
Digital input high (24 V)
11 and 14
0 V
X1:1
8
7
4
3
PXUB 201
+ 5
6
X1:3
0 V
+24 V
X4
PFEA113
–
+
+
–
–
1 (Out U)
3
Example: AO1 (see also cable diagrams in Appendix B, C D, E, F or G)
Voltage Output
AO1-AO6
Содержание PFEA 113
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