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Pin connections for 15-pin 'D' (Female) type connector (INTERFACE for θ-
AXIS)
Pin
Signal
No
Description
1.
VCC (+5V)
2.
VCC (+5V)
3.
/PHASE A
4.
/PHASE B
5.
/ABS
6.
NC *
7.
GND (0V)
8.
NC *
* NOT CONNECTED
Pin Connections for Footswitch inputs
EL250 DRO has the facility of connecting 2 footswitches. Footswitch 1 is configured for
"ENTER" key function, while Footswitch 2 is configured for "FINISH" key function. These
footswitch are connected in pairs i.e. pin 1-2 and pin 3-4.
Pin
Signal
No.
Description
1.
Footswitch 1
2.
GND (0V)
Pin Connections for RS232 and Thermal Printer Connection
Pin Connection Details for 9 Pin D type (MALE) Connector for RS232 and thermal printer
connection.
Pin
Signal
No.
Description
1.
NC *
2.
RXD
3.
TXD
4.
NC *
SOMECO –
someco@someco.fr
Calculateur EL-250
As viewed from the rear
Pin 1
– Tel : 01 49 63 16 30 -
Pin No
9.
10.
11.
12.
13.
14.
15.
-
Pin
No.
3.
Footswitch 2
4.
Pin
No.
6.
7.
8.
9.
Manuel d'utilisation
Signal
Description
GND (0V)
PHASE A
PHASE B
ABS
NC *
NC *
GND (0V)
-
Signal
Description
GND (0V)
Signal
Description
NC *
NC *
NC *
NC *
P a g e
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