Keysight E4981A - Electrical Characteristics; Output Signals

Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 147
Using Handler Interface
Electrical Characteristics
Electrical Characteristics
Output signals
The output signals are available as open collector outputs with photo coupler
isolated. You can obtain each voltage output by connecting a pull-up resistor
(refer to Table 8-4) to the exterior of the E4981A.
The output signals are divided into two groups: judgment output signals and
operation output signals. You can specify a different pull-up voltage for each of
them. Table 8-5 shows the electrical characteristics of the output signals.
Figure 8-4 and Figure 8-5 show the circuit diagrams of the judgment output
signals and operation output signals, respectively.
Table 8-4 Guide for pull-up resistor values
Pull-up voltage [V]
Resistance value
[Ω]
Typical resistance
Resistance value
[Ω]
Keysight part
number
5 1.7 k (5 V / 3 mA) 1.78 k 0757-0278
9 3.0 k (9 V / 3 mA) 3.16 k 0757-0279
12 4.0 k (12 V / 3 mA) 4.22 k 0698-3154
15 5.0 k (15 V / 3 mA) 5.11 k 0757-0438
24 8.0 k (24 V / 3 mA) 8.25 k 0757-0441
Table 8-5 Electrical characteristics of the handler interface output signals
Output signal
Output voltage [V] Maximum
current
[mA]
LOW HIGH
Judgment output signals:
/BIN1 - /BIN9, /AUX_BIN, /OUT_OF_BINS, /PHI,
/PLO, /SREJ, /OVLD, /LOWC_OR_NC
0 - 0.5
+5 V to
+24 V
6
Operation output signals:
/INDEX, /EOM, /READY_FOR_TRIG, /ALARM
0 - 0.5
+5 V to
+24 V
6