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OEM6250 Installation Guide
General-Purpose Programmable Inputs & Outputs
PIN OUTS & SPECIFICATIONS
Pin Function Internal Schematics Specifications
1
2
49
50
PROGRAMMABLE INPUT/OUTPUT
50-pin plug is
compatible with
VM24 and
OPTO-22™
signal
conditioning
equipment.
1 Input #16 (MSB of inputs)
3 Input #15
5 Input #14
7 Input #13
9 Input #12
11 Input #11
13 Input #10
15 Input #9
17 Output #8 (MSB of outputs)
19 Output #7
21 Output #6
23 Output #5
25 Input #8
27 Input #7
29 Input #6
31 Input #5
33 Output #4
35 Output #3
37 Output #2
39 Output #1 (LSB of outputs)
41 Input #4
43 Input #3
45 Input #2
47 Input #1 (LSB of inputs)
49 +5VDC
Inputs
74HCxx
6.8 KW
47 KW
Input
Connection
Ground
Connection
IN-P
GND
OEM6250
GND
GND
External 5-24VDC Supply
(an alternative to using the
internal +5V supply)
R12
(0 KW)
+5VDC
If you wish the inputs
to be pulled up to a
voltage other than the
internally supplied
+5V, remove R12 on
the OEM6250 PCB
and connect IN-P to an
external supply of up
to 24VDC.
Outputs
4.7 KW
Output
Connection
Ground
Connection
OUT-P
GND
OEM6250
External 5-24VDC Supply
(an alternative to using the
internal +5V supply)
7406
Open
Collector
ISO
GND
R13
(0 KW)
+5VDC
GND
GND
If you wish the outputs
to be pulled up to a
voltage other than the
internally supplied
+5V, remove R13 on
the OEM6250 PCB
and connect OUT-P to
an external supply of
up to 24VDC.
Inputs
HCMOS-compatible voltage levels
(Low £ 1.00V, High ³ 3.25V).
Voltage range = 0-24V.
Sourcing Current: Leave as is to use the
internally supplied +5VDC pull-up supply, or
remove R12 and connect IN-P to an external
5-24VDC power supply.
Sinking Current: On the AUX connector,
connect IN-P to GND (remove R12 first).
STATUS: Check with TIN or INFNC.
Active level: Default is active low, but can
be changed to active high with the INLVL
command.
Outputs
Open collector output.
Max. voltage in the OFF state (not sinking
current) = 24V; max. current in the ON state
(sinking) = 30mA.
Pull-up connection on AUX connector:
Leave as is to use the internally supplied
+5VDC pull-up supply, or remove R13 and
connect OUT-P to an external 5-24VDC
power supply.
STATUS: Check with TOUT or OUTFNC.
Active level: Default is active low, but can
be changed to active high with the OUTLVL
command.
NOTE: All even-numbered pins are connected to a common digital ground — see drawing on page 5.
LSB = least significant bit; MSB = most significant bit
CAUTION: If you fail to remove the resistor (R12 for inputs, or R13 for outputs) before connecting an
external supply to the inputs pull-up terminal (IN-P) or the outputs pull-up terminal (OUT-P),
you will damage the OEM6250.
R12 & R13 Resistor Locations
R12
R13
RP240
TH1
NOTE: You must first
remove the resistor
(R12 for inputs, or R13
for outputs) before you
can connect an external
supply to the inputs
pull-up terminal (IN-P)
or the outputs pull-up
terminal (OUT-P);
otherwise, you will
damage the OEM6250.
VM50 ADAPTOR —
for screw-terminal connections
JOYSTICK
RP240
PROGRAMMABLE INPUTS/OUTPUT
2 4 6 8 10 12 14 16 18 20
1 3 5 7 9 11 13 15 17 19
22 24 26
23
28
25
30
27
32
29
34
31
36
33
38
35
40
37
42
39
44
41
46
43
48
45
50
47 4921
VM50 Adaptor Board
The VM50 snaps
on to any standard
DIN rail.
Color stripe
(pin #1)
Pin outs on the
VM50 are identical t
o
the pin outs for the
50-pin connectors
(only if the cable is
connected as
illustrated).
2-Foot Cable
(provided with VM50)
Color stripe
(pin #1)