Liquid Controls IT375 - Manual (Page 24)

Sponsler, Inc. Model IT375 Intrinsic Safety Pg. 24
IS Barrier
Ro = 300 ohm
MODEL IT375
Rate Totalizer
+
-
2+
1-
8+
7-
Cable length < 5 km
IS BARRIER
Uo = 28 V maximum
Io = 93 mA maximum
Po = 0.653 W maximum
L/R < specified for selected barrier
EXAMPLES BARRIERS
MTL 187’ 787, 787SP, 3041, 3042,
2441, 2442, 4041, 4045
Pepperl & Fuchs
Z248/Ex, Z488/Ex, Z488/Ex-R,
KHD3-ICR/EX 130 200, ZG31/EX
Input Parameters
And 4-20mA Retransmission
ENTITY PARAMETERS FOR INPUT
TERMINALS 7 & 8
Ui = 24 V
Ii = 20 mA
Pi = 320 mW
Ci = 0.002 uF
Li = 0.0
Uo = 10.0 V
Io = 9.0 mA
Cext = 60 uF
Lext = 1.5 H
SAFE AREA HAZARDOUS AREA
+
-
I
Namur Proximity Detector
IS Certified
IS CERTIFIED BARRIER
Uo = 24 V maximum
Io = 20 mA maximum
Po = 320 mW maximum
L/R < specified for selected barrier
A Namur Switch Input
MODEL IT375
SAFE AREA HAZARDOUS AREA
INPUT
Link Settings
Link 1
Link 2
Link 3
COIL PULSE
DBL DBH
NPS
8+
7-