Getting Started
R&S
®
NGL200/NGM200
22
User Manual 1178.8736.02 ─ 06
Option IEEE-488 (GPIB) interface (14)
An IEEE-488 (GPIB) interface can be ordered (NGL-B105 or NGM-B105). This inter-
face is not user installable.
Digital I/O connector (15)
The Digital I/O option (R&S NGL-K103 or R&S NGM-K103) must be installed for this
function to be available in the instrument.
The specified voltages are 0 V to 24 V for all output pins and 0 V to 15 V for all input
pins.
Figure 4-4: Digital I/O connector (female socket front view)
Table 4-2: Digital I/O pin layout
Pin
Signal
Direction
Pin
Signal
Direction
1
*Inhibit Ch1
IN
9
*Inhibit Ch2
IN
2
Trigger Ch1
IN
10
Trigger Ch2
IN
3
In
IN
11
Output Fault
OUT
4
Out1
OUT
12
Out2
OUT
5 - 8
Gnd
-
13 - 15
Gnd
-
can be used to turn off the outputs by a digital hardware signal.
Table 4-3: Inhibit signals
Signal name
Pin
Descriptions
Inhibit Ch1
If the inhibit signal goes active, channel 1 output
is turned off.
The inhibit signal is low active (inverted logic).
Inhibit Ch2
If the inhibit signal goes active, channel 2 output
is turned off
The inhibit signal is low active (inverted logic).
4.2.2
Switching On the Instrument
Before switching on the instrument, check that all the instructions in the “Basic Safety
Instruction” brochure and safety measures in previous sections are observed. Also,
check if the value on the voltage selector corresponds to the mains voltage (100 V, 115
V or 230 V).
Instrument Tour
