Rockwell-automation 1797-IJ2 FLEX Ex Frequency Input Module Manual de usuario Pagina 20

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20 FLEX Ex Frequency Input Module
Publication
1797-5.9 - June 2010
Channel 0 Gate Input
Field devices may only be connected to the terminal of one of the three
following circuits. The terminals of the remaining two circuits must not be
connected.
Namur/
Contact
(Terminals
23…24)
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
22…20)
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
22…20, 23…21)
Protectio
n
Group Allowed
Capacitanc
e
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/
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