BK Precision 894 User Manual

100
Handler Operation
The definition for the signal line
The Handler interface has 3 signal lines: comparison output, control output and control
input. The output signals for the BIN comparison or list sweep comparison functions are
detailed below:
Comparison Signal Lines
 Comparison output signal
BIN1-BIN9
AUX
OUT
PHI (the main parameter is bigger than the high limit)
PLO (the main parameter is low)
SREJ (The test result is outside the valid range)
 Control output signal
INDEX (Analog test finished signal)
EOM (Test ended and the compared data effective)
ALARM (Circuit interruption)
 Control input signal
EXT.TRIG (External trigger signal)
Keylock (Key lock).
The Comparison signal distribution for the pins is described in Table 2:
Pin
Signal name
Description
1
2
3
4
5
6
7
8
9
10
11
/BIN1
/BIN2
/BIN3
/BIN4
/BIN5
/BIN6
/BIN7
/BIN8
/BIN9
/OUT
/AUX
BIN sorted result
/BIN (BIN number) output are all open collector
outputs.
12
13
/EXT.TRIG
External trigger: when the trigger mode is EXT.TRIG,
the 894/895 will be triggered by the positive-edge
pulse signal in this pin.
14
15
EXT.DCV2
External DC voltage 2:
The DC provider pin for the optoelectronic coupling
signal (/EXT_TRIG, /Key Lock, /ALARM, /INDEX, /EOM)
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BK Precision 894 Specifications

General

Brand	BK Precision
Model	894
Category	Measuring Instruments
Language	English