Inserting Or Removing Option Modules - Samson Media 7 Mounting And Operating Instructions

Optional additional function
6.1.3 Inserting or removing
option modules
NOTICE
!
Incorrect installation or removal of the option
modules will damage the differential pres-
sure meter.
Before inserting or removing the option mod-
ules, disconnect the power supply.
NOTICE
!
Electrostatic discharge will damage the op-
tion modules.
− Observe the ESD requirements according
to IEC 61340-5-1.
− Only store option modules in their original
packaging.
Inserting the option module
Î See Fig. 11
1. Disconnect the signal lines for the power
supply.
2. Undo the five screws on the cover and
remove the cover.
3. Insert the option module in one of the
slots, making sure it is inserted correctly.
Î Refer to Table 6 when an AO: Analog
output option module is used.
4. If necessary, break open the openings
for the terminals in the cover (by pressing
the predetermined breaking points).
5. Place on the cover making sure that the
option module is seated in the opening
intended for it in the cover.
6. Fasten the cover.
42
7. Connect the wiring of the option module
as shown in Fig. 10.
8. Connect the power supply of the differ-
ential pressure meter.
Removing the option module
1. Disconnect the signal lines for the power
supply.
2. Disconnect the connecting lines on the
option module.
3. Undo the five screws on the cover and
remove the cover.
4. Pull the option module out of the slot and
store it in its packaging.
5. Place on the cover and fasten it.
6. Connect the power supply of the differ-
ential pressure meter.
AO: Analog output
AI: Analog input
AIA: Analog input active
Fig. 10: Terminals of the option modules
–32
+31
–12
+11
–20
+19
EB 9510 EN