17
CHAPTER 3 – Inputs - Outputs
SMT-BD2/m
3 - X1 ENCODER FEEDBACK CONNECTOR (Sub D 15 points female)
3.1
–
X1
CONNECTOR FOR
TTL
INCREMENTAL ENCODER CONFIGURATION
The "TTL incremental encoder" configuration is selected according to the following COM and COD jumpers
setting (
see chapter 5, section 1: Hardware adjustments
The corresponding X1 connector pin function is described below.
PIN
FUNCTION
REMARKS
1
Marker Z/
Differential input of the encoder marker pulse Z/
9
Marker Z
Differential input of the encoder marker pulse Z
2
Channel A/
Differential input of the encoder channel A/
10
Channel A
Differential input of the encoder channel A
3
Channel B/
Differential input of the encoder channel B/
11
Channel B
Differential input of the encoder channel B
5
+5V
Encoder supply voltage (400 mA max. current)
4
GND
Encoder supply GND
12
TC
Motor thermal sensor input (10 mA max. load current)
13
GND
Motor thermal sensor GND
6,7,8 reserved
14,15 reserved
Encoder input specification
Thermal sensor input specification
COM
COD
B2
B1
B5
B4
B3
X1-9,10,11
SMT-BD2/m
26LS32
X1-1,2,3
+5V
+5V
200R
200R
3.3K
COD jumpers configuration
COD
B2
B1
ZM
ZM
Marker pulse enabled
Marker pulse disabled
ZM jumper configuration
X1-12
SMT-BD2/m
X1-13
+15V
+15V
100K
100nF
PSTH-A
MN OP
PTC thermal sensor
MN & OP jumpers configuration
MN OP
NTC thermal sensor
PSTH-B
10K
+5V
A wrong jumper configuration may damage the
encoder and amplifier electronics.
!
Recommended driver:
26LS31