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3-7
OP37/Pro Equipment Manual
Release 7/98
3.2
Connection of Power Supply
Rated voltage: 24 V DC
Voltage range: 18 V to 30 V
!
Caution
With a 24 V supply, make sure the extra-low voltage is safely isolated.
Use only power supply units to IEC 364-4-41 or HD 384.04.41
(VDE 0100, Part 410) standard!
The supply must must be within the above-mentioned voltage range. If it is
not, the possibility of functional failure on the part of the unit can not be
excluded.
The four-pin socket for the power supply has the following pin assignment:
1
2 3 4
Contact assembly (without function)
GND
+ 24 V DC
The power supply is connected via the four-pole terminal block supplied as
follows:
Secure wires in terminal block (wire cross-sectional area: 0.5...2.5 mm
2
)
Plug terminal block into lower connector on OP
The grounding screw on the rear panel of the unit (see Figure 3-1) must be
connected to the cabinet ground.
Power supply
requirements
Pinout of the plug
connector for the
power supply
Terminal block
Electrical bonding
(grounding screw)
Electrical Installation
Содержание SIMATIC HMI OP37/Pro
Страница 6: ...iv OP37 Pro Equipment Manual Release 7 98 Preface ...
Страница 8: ...6 10 OP37 Pro Equipment Manual Release 7 98 Servicing Maintenance ...
Страница 26: ...3 8 OP37 Pro Equipment Manual Release 7 98 Electrical Installation ...
Страница 54: ...6 10 OP37 Pro Equipment Manual Release 7 98 Servicing Maintenance ...
Страница 60: ...A 6 OP37 Pro Equipment Manual Release 7 98 Technical Data ...
Страница 72: ...Glossary 2 OP37 Pro Equipment Manual Release 7 98 Glos ...