Parker H Series, Installation & Service Instructions Manual

Page: 133 / 344

Inches
(mm)
Adapter
2.0
(50)
1.9
(47.2)
4.02
(102)
1.81
(46)
Total length of cable
is 1M (PSSEXT1)
or 3M (PSSEXT3)
2.0
(50)
2.0
(50)
0.94
(23.9)
Ground Lug Connection
0.87
(22)
H Series Fieldbus Extension Units, Series A (PSSEXT1 & PSSEXT3) E117P
3
Mount the Extension Unit
To mount the extension unit on a wall or panel, use the screw holes
provided in the extension unit.
Refer to the drilling dimensions mounting illustration for the extension
unit.
Drilling Dimensions
Install the extension unit as follows:
1. Lay out the required points as shown in the drilling dimension
drawing.
2. Drill the necessary holes for #8 (M4) machine or self-tapping
screws.
3. Mount the extension unit using #8 (M4) screws.
4. Ground the system using the ground lug connection. (The ground
lug connection is also a mounting hole.)
Add I/O Modules to the Extension Unit
Add I/O modules to the extension unit. Refer to the illustration.
1. Position the module vertically above the extension unit and
mounting base. The module will bridge the extension unit and
the mounting base.
2. Push the module down until it engages the latching mechanism.
You will hear a clicking sound when the module is properly
engaged.
The locking mechanism will lock the module to the base.
ControlNet B
ControlNet A
X10
X1
A
U
P
O
W
E
R
Module will bridge the extension unit and the base.
Module will bridge the extension unit and the base.
PSSCCNA
Adapter
Status
PointBus
Status
ControlNet A
Status
ControlNet B
Status
System
Power
Adapter
Power
MOD
NET
PSST8M12A
24V dc Out
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
MOD
NET
PSST8M12A
24V dc Out
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
PSSSE24A
24V dc Power Supply
System
Power
Field
Power