24
CHAPTER 3 – Inputs - Outputs
SMT-BD2/m
5 - X2 ENCODER OUTPUT & COMMAND CONNECTOR (Sub D 25 pins female)
PIN
FUNCTION
I / O
REMARKS
1
Marker Z/
O
Differential output of the encoder marker pulse (5 V, 20 mA max.)
2
Marker Z
O
Differential output of the encoder marker pulse
3
Channel A/
O
Differential output of the encoder channel A/ (5 V, 20 mA max.)
4
Channel A
O
Differential output of the encoder channel A
5
Channel B/
O
Differential output of the encoder channel B/ (5 V, 20 mA max.)
6
Channel B
O
Differential output of the encoder channel B
7, 10, 11 0 V
14
START
I
Optocoupled logic input
15
STOP
I
Optocoupled logic input
16
WAIT
I
Optocoupled logic input
17
TEACH
I
Optocoupled logic input
8
JOG+
I
Optocoupled logic input
18
JOG-
I
Optocoupled logic input
9
SEQ
O
Optocoupled logic output
20
POS
O
Optocoupled logic output
21
SPEED
O
Optocoupled logic output
22
OK
O
Optocoupled logic output
12
24 V
I
24 V input. This input must only be used if one of the outputs SEQ, SPEED,
POS and OK is used and if the OUT1 to OUT8 outputs are not wired.
23
GND 24 V
Mass of external 24 V
24
5 V
O
5 V output if the 5V jumper is closed
25
GND 5 V
Mass of internal 5 V
The programmable encoder ouput
Division ratio
(Output resolution / Input resolution) is only valid for the A and B
channels. The Marker Z channel is not modified by this parameter value.
The specifications of the TTL encoder outputs are given below.
The specifications of the logic I/Os are given in
X2-2,4,6
SMT-BD2/m
26LS31
X2-1,3,5
+5V
Recommended receiver:
26LS32
