Device Description HG G-98780-A | English, Revision 16 | Date: 15.07.2021
18
Chapter 5 – Components and Operation
–
1 x Profibus X1 & 1 x Profibus Terminating Resistor
if the antenna is to be the last device on the Profibus or
–
2 x Profibus X1/X2
if further devices follow on the Profibus
5.2.3.1 Dimensions
Figure 8
Outline of antenna HG G-98780UA with/without terminating resistor
Antenna and interpreting electronics are housed in a 360 x 160 x 91 mm casing.
The reading side of the antenna is the top of the casing with the casing cover. Up to
three connections X1, X2 (Profibus) and X3 (power/serial) are facing in the direction
of travel. If a terminating resistor is included connection X2 is replaced with a dum
-
my plug.
Inside the casing are the completely sealed antenna electronics and the heater. For
connecting the antenna, the cable tails X1 and X2 (Profibus) and X3 (PosiPuls,
RS422, power supply) are being used. The integrated LED is lit for the Profibus status
Data exchange
.
5.2.3.2 Pin Allocations X1/X2/X3
This Profibus variant of the antenna offers up to two identical cable tails X1/X2 for
Profibus connections depending on whether a terminating resistor is included.
Table 6
Variant UA: Pin allocation of the Profibus cable tails X1/X2
Color
Allocation
Shield
Signal Ground
Green
Line A
Red
Line B
Shield
Reading
side
(casing cap)
Mounting
side
(with mounting drill holes)
Without terminating resistor
With terminating resistor
4x drill holes for mounting
