User Manual

TMCM-343 Hardware Manual (V1.07 / 2011-JUN-08) 20
Copyright © 2011, TRINAMIC Motion Control GmbH & Co. KG
Pin
Direction
Name
Limits
Description
17
in
Reset
TTL
Reset, active low
18
out
Alarm
TTL
Alarm, active high
44
in
Shutdown
TTL
Emergency stop
Table 7.10: Miscellaneous connections
The functionality of the shutdown pin is configurable using in TMCL with global parameter 80
(please see the TMCM-341/342/343 TMCL™ Firmware Manual for information on this).
7.10 Microstep resolution
The TMCM-343 supports a true 64 microstep resolution. To meet your needs, the microstep resolution
can be set using the TMCL software. The default setting is 64 microsteps, which is the highest
resolution. For setting the microstep resolution with the TMCLfirmware use instruction 5: SAP, type
140: microstep resolution.
You can find the appropriate value in Table 7.11.
Value
microsteps
0
Do not use: for fullstep please see fullstep threshold
1
2
2
4
3
8
4
16
5
32
6
64
Table 7.11: Microstep resolution setting