Rockwell-automation 1797-IJ2 FLEX Ex Frequency Input Module Manual de usuario Pagina 18

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18 FLEX Ex Frequency Input Module
Publication
1797-5.9 - June 2010
CE/CENELEC I/O Entity Parameters
Channel 0 Frequency Input
Field devices may only be connected to the terminals of one of the five
following circuits. The terminals of the remaining four circuits must not be
connected.
Namur/
Contact
(Terminals
6…7)
Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 15 mA
P
o
= 30 mW
Ex ia IIB 3.86 F 300 mH 2.6 mH/
IIC 620 nF 80 mH 0.65 mH/
Magnetic 500 mV
(Terminals 5…3)
Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 10 mA
P
o
= 18 mW
Ex ia IIB 3.86 F 600 mH 4.15 mH/
IIC 620 nF 150 mH 1.03 mH/
Magnetic 50 mV
(Terminals 5…3,
6…4)
Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 10 mA
P
o
= 18 mW
Ex ia IIB 3.86 F 600 mH 4.15 mH/
IIC 620 nF 150 mH 1.03 mH/
Vortex 6V
(Terminals
1, 2…3)
Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
R
o
Ratio
U
o
= 26.5V
I
o
= 82 mA
P
o
= 520 mW
Ex ia IIB 730 nF 8 mH 0.26 mH/
IIC 95 nF 2 mH 0.06 mH/
Vortex 3V
(Terminals
0, 2…3)
Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
R
o
Ratio
U
o
= 26.5V
I
o
= 82 mA
P
o
= 520 mW
Ex ia IIB 730 nF 8 mH 0.26 mH/
IIC 95 nF 2 mH 0.06 mH/
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