User Manual

TMCM-1311 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05) 10
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3.2.4 Reference Switch Connector
A separate reference / limit switch input connector is available. Connector type is JST PH series 4pin with
2mm pitch.
1
4
Pin
Label
Direction
Description
1
GND
Power (GND)
Signal and system ground
2
+5V
Power
(supply output)
+5V supply output for external encoder and reference
switch circuit.
3
REF_L
Input
Input for reference / limit switch left
4
REF_R
Input
Input for reference / limit switch right
Table 3.5 Reference switch connector
3.2.5 Step/Dir IN Connector
A separate Step / Direction input connector is available. Connector type is JST PH series 4pin with 2mm
pitch.
1
4
Pin
Label
Direction
Description
1
COM
Input
Common supply for the opto-coupler inputs (+5V…
+24V)
2
ENABLE
Input
Enable signal input
(function depends on firmware)
3
STEP
Input
Step signal input
(connected to step input of TMC262 driver IC)
4
DIR
Input
Direction signal
(connected to direction input of TMC262 driver IC)
Table 3.6 Step/Dir In connector
3.2.6 I/O Connectors 0 and 1
The module offers two I/O connectors (JST PH series 8pin with 2mm pitch). Number and type of inputs,
outputs and supply are the same for both connectors. It is sufficient to use just one connector if only
few I/Os are required. This simplifies cabling.
3.2.6.1 I/O Connector 0
1
10
Pin
Label
Direction
Description
1
GND
Power (GND)
GND
2
VCC
Power
(supply output)
Connected to V
DIGITAL
of Power connector. Please note:
max. current is 500mA (protected via on-board 500mA
polyfuse)
3
AIN0
Input
Dedicated analog input,
input voltage range: 0… +10V,
resolution: 12bit (0… 4095)
4
IN1
Input
Digital input (+24V compatible)
5
IN2
Input
Digital input (+24V compatible)
6
IN3
Input
Digital input (+24V compatible)
7
OUT0
Output
Open-drain output (max. 100mA)
Integrated freewheeling diode
8
OUT1
Output
Open-drain output (max. 100mA)
Integrated freewheeling diode
9
OUT2
Output
Open-drain output (max. 100mA)
Integrated freewheeling diode
10
OUT3
Output
Open-drain output (max. 1A)
Integrated freewheeling diode
Table 3.7 I/O connector 0