Sensoray 421 - Manual (Page 10)

Page 8 Sensoray Model 421 Instruction Manual
Connector P3 Pinout:
Pin Name Function
1 +5V Channel 0 +5V power
2 +A
0
Channel 0 phase A input (+)
3 GND Channel 0 5V return
4 +B
0
Channel 0 phase B input (+)
5 +5V Channel 1 +5V power
6 +A
1
Channel 1 phase A input (+)
7 GND Channel 1 5V return
8 +B
1
Channel 1 phase B input (+)
9 +5V Channel 2 +5V power
10 +A
2
Channel 2 phase A input (+)
11 GND Channel 2 5V return
12 +B
2
Channel 2 phase B input (+)
13 -- no connect --
14 -- no connect --
15 -A
0
Channel 0 phase A input (-)
16 -A
1
Channel 1 phase A input (-)
17 -A
2
Channel 2 phase A input (-)
18 -B
0
Channel 0 phase B input (-)
19 -B
1
Channel 1 phase B input (-)
20 -B
2
Channel 2 phase B input (-)
Counter channels may be interfaced to devices that
produce a single output phase. In such cases, the
counters are configured for operation in either mode
3 or mode 7. Connect the device output to the +A
input. Connect the +B input to GND. Leave the -A
and -B inputs disconnected:
Many encoders utilize single-ended TTL or CMOS
compatible outputs. If you are using this type of
encoder, connect the encoder A output to the +A
input and connect the encoder B output to the +B
input. Leave the -A and -B inputs disconnected:
A
B
Encoder
+A
-A
+B
-B
+5V
GND
VCC
GND
P3
OUT
Device
+A
-A
+B
-B
+5V
GND
VCC
GND
P3
A
B
Encoder
+A
-A
+B
-B
+5V
GND
VCC
GND
P3
Some encoders have built-in RS422 drivers. If you
are using this type of encoder, connect the encoder A
outputs to the +A and -A inputs, and connect the
encoder B outputs to the +B and -B inputs: