Internal Equivalent Circuit In Input/Output Circuit; Gl Input And Output Cabling - GRAPHTEC gl7000 User Manual

CHAPTER 2 Checks and Preparation

Internal equivalent circuit in input/output circuit

REMOTE signal input circuit
•
External start/stop input
•
External trigger
•
External sampling
REMOTE signal input circuit
<GL7000>
+5V
10K

GL input and output cabling

Cable tips are bare tips. Perform wiring for the necessary functions.
For the cables currently not used and not connected, do not connect anything.
2-46
+5V
100KΩ
GND
ALARM/REMOTE Output
GND
* If an alarm is generated, this transistor will turn ON (at 0.8 V or less).
If configured as above, the alarm will trigger current in the relay coil of
the external circuit, and the relay will turn on.
+5V
68KΩ
220KΩ
<External Circuit>
Example of the connection
DC
(5-24V)
Orange with red dotted line
Orange with black dotted line : External trigger input
Grey with red dotted line
Grey with black dotted line
White with red dotted line
White with black dotted line : External trigger output
Yellow with red dotted line
Yellow with black dotted line : N.C.
Pink with red dotted line
Pink with black dotted line
Shielded
Comparator
0.01μF
Additional external start/stop
signal only
Required when
inductive load such as
relay is used
: External start/stop input
: External sampling input
: Auto balance
: N.C.
: BUSY signal output
: N.C.
: GND