Quantum-composers Motorized Attenuator Manual de usuario descargar pdf (Pagina 3)

4 Electrical Connections

The motorized attenuator module requires two input voltages to be applied for

operation:

+5VDC @ 100mA.

+12VDC @ 500mA.

The included power/communications cable includes the minimum connections for

operation. Detailed electrical connections are described in the tables below.

Input Connector (Connector: Hirose #DF11-12DS-2C, Contacts Hirose #DF11-2428SC)

Pin Number

Type

Description

Ground

Power Ground

Power input

+5VDC

Power input

+12VDC

Power input

+12VDC

Ground

Power Ground

Ground

Power Ground

Input

RS232 Receive (from PC or other module)

Output

RS232 Transmit (to PC or other module)

9 Input Analog reserved (do not connect)

10 Ground RS232 Ground

11 N/C No connection

12 Input/Output Bus sense line (connect between modules)

Output Connector (Connector: Hirose #DF11-12DS-2C, Contacts Hirose #DF11-2428SC)

Pin Number Type Description

1 Ground Power Ground

2 Power output +5VDC

3 Power output +12VDC

4 Power output +12VDC

5 Ground Power Ground

6 Ground Power Ground

7 Input RS232 Pass-through Out (to other module)

Output

RS232 Pass-through In (from other module)

Input

Analog reserved (do not connect)

Ground

RS232 Pass-through ground

N/C

No connection

Input/Output

Bus sense line (connect between modules)

1 2 3 4 5 6 7 8 9

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