SMT-BD2
3.2
–
X1
CONNECTOR FOR
TTL
INCREMENTAL ENCODER
&
HES
CONFIGURATION
The “ TTL incremental encoder & HES” configuration is selected according to the following COM and COD
jumpers setting (
see chapter 5, section 1: Hardware adjustments
).
COD
B5
B4
B2
B1
COM
B3
COD
B5
B4
B2
B1
COM
B3
60
°
HES type
120
°
HES type
!
A wrong jumper configuration may damage the encoder and amplifier electronics.
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
14
HALL U
Hall sensor input signal phase U
6
HALL V
Hall sensor input signal phase V
7
HALL W
Hall sensor input signal phase W
15
+15V
Hall sensors supply voltage (50 mA max. current)
12
TC
Motor thermal sensor input (10 mA max. load current)
13
GND
Hall sensors/Thermal sensor GND
8 reserved
Encoder input specification
+5 V
+5 V
3,3 K
Ω
200
Ω
200
Ω
26LS32
X1-9, 10, 11
X1-1, 2,3
ZM
ZM
COD
B2
B1
SMT-BD2
Marker pulse enabled
Marker pulse disabled
ZM jumper configuration
COD jumpers configuration
Recommended
driver: 26LS31
Specification of the Hall sensors input
+5 V
10 K
Ω
X1-6, 7, 14
X1-13
COM
COM
SMT-BD2
1 K
Ω
B5
B4
B3
B5
B4
B3
60
°
HES
120
°
HES
74HC14
1 nF
COM jumpers configuration
18
Chapter 3 – Inputs-outputs