Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 77)

Publication 1797-6.5.6 - June 2005
1797-IJ2 FLEX Ex Frequency Input Module 13-5
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.
Channel 1 Gate Input
Field devices may only be connected to the terminals of one of the three
circuits. The terminals of the remaining two circuits must not be connected.
Namur/Con
tact
(terminals
23-24) Protection Group Allowed
Capacitance Allowed
Inductance L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 15mA
P
o
= 30mW
EEx ia IIB 3.86
µF
300mH 2.6mH/
Ω
IIC 620nF 80mH 0.65mH/
Ω
Magnetic
500mV
(terminals
22-20) Protection Group Allowed
Capacitance Allowed
Inductance L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 10mA
P
o
= 18mW
EEx ia IIB 3.86
µF
600mH 4.15mH/
Ω
IIC 620nF 150mH 1.03mH/
Ω
Magnetic
50mV
(terminals
22-20,
23-21) Protection Group Allowed
Capacitance Allowed
Inductance L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 10mA
P
o
= 18mW
EEx ia IIB 3.86
µF
600mH 4.15mH/
Ω
IIC 620nF 150mH 1.03mH/
Ω
Namur/Con
tact
(terminals
26-25) Protection Group Allowed
Capacitance Allowed
Inductance L
o
R
o
Ratio
U
o
= 14.7V
I
o
= 15mA
P
o
= 30mW
EEx ia IIB 3.86
µF
300mH 2.6mH/
Ω
IIC 620nF 80mH 0.65mH/
Ω