
Publication 1797-6.5.3 - March 2006
Specifications A-3
1797-IE8H CE, CENELEC I/O Entity Parameters
Measurement input (sig to -) for ch 0 to 7 (terminals: 1 to 2; 5 to 6; 9 to 10; 13
to 14; 18 to 19; 22 to 23; 26 to 27; 30 to 31)
Source output (+ to sig) for ch 0 to 7 (terminals: 0 to 1; 4 to 5; 8 to 9; 12 to 13;
17 to 18; 21 to 22; 25 to 26; 29 to 30)
Source output plus measurement input (+ to -) for ch 0 to 7 (terminals: 0 to 2;
4 to 6; 8 to 10; 12 to 14; 17 to 19; 21 to 23; 25 to 27; 29 to 31)
Protection Group Allowed
Capacitance
Allowed
Inductance
U
o
= 5V
I
o
= 1 mA
P
o
= 1.3 mW
EEx ia IIB 1000 µF 1 H
U
i
= 28V
I
i
= 93 mA
C
i
and L
i
negligible
IIC 100 µF 1 H
Protection Group Allowed
Capacitance
Allowed
Inductance
U
o
= 23.7V
I
o
= 92.5 mA
P
o
= 548 mW
EEx ia IIB 560 nF 10 mH
IIC 66 nF 2.5 mH
If concentrated
capacitance
and/or
inductance are
available, use the
following values.
EEx ia IIB 320 nF 10 mH
IIC 60 nF 2 mH
Protection Group Allowed
Capacitance
Allowed
Inductance
U
o
= 23.7V
I
o
= 93.5 mA
P
o
= 555 mW
EEx ia IIB 560 nF 10 mH
IIC 66 nF 2.5 mH
If concentrated
capacitance
and/or
inductance are
available, use the
following values.
EEx ia IIB 320 nF 10 mH
IIC 60 nF 2 mH
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