Straps - UBI EasyCoder 501 Service Manual

UBI EasyCoder 501 – Service Manual
23. INDUSTRIAL INTERFACE BOARD, cont'd.
23.2

Straps

1
/. Be careful not to enable the external
+5V unintentionally, since it may cause
harm to the connected terminal, com-
puter or other device.
"uart3:"
I/O connector
Communication Port "uart3:"'
RS 232C:
There are no straps for the RS 232C interface on "uart3:".
External +5V:
External +5V ( max. 200 mA) can be made available on pin 16 by
fitting a strap on P-1
IN/OUT connector
In/Out port 201-204:
One relay for each port switches the
PORTOUT ON/OFF
Four straps, P-2, P-6, P-7 and P-8, control the relation between
relay and output signal on output ports 201–204 respectively:
PORTOUT stmt
PORTOUT (<nexp>) ON
PORTOUT (<nexp>) ON
PORTOUT (<nexp>) OFF
PORTOUT (<nexp>) OFF
1
.
OUT
statements are executed in the program.
Strap between pins
1–2 (lower position)
2–3 (upper position)
1–2 (lower position)
2–3 (upper position)
P-1
P-8
P-7
P-6
P-2
signal to high or low as
OUT signal
Open
Closed
Closed
Open
164