TMCM-1210 Hardware Manual (V0.93 / 2019-FEB-13)
12
Copyright © 2015-2019 TRINAMIC Motion Control GmbH & Co. KG
5
Motor driver current
The on-board stepper motor driver operates current controlled. The driver current may be programmed in software
with 32 effective scaling steps in hardware.
Explanation of different columns in table below:
Motor current
setting in
software (TMCL)
These are the values for TMCL axis parameter 6 (motor run current) and 7 (motor standby
current). They are used to set the run / standby current using the following TMCL
commands:
SAP 6, 0, <value> // set run current
SAP 7, 0, <value> // set standby current
(read-out value with
GAP
instead of
SAP
. Please see separate TMCM-1210 firmware
manual for further information)
Motor current
I
RMS
[A]
Resulting motor current based on motor current setting
Motor current
setting in
software (TMCL)
Motor
current
I
COIL_PEAK
[A]
Motor
current
I
COIL_RMS
[A]
0..7
0.06
0.04
8..15
0.08
0.06
16..23
0.10
0.07
24..31
0.13
0.09
32..39
0.15
0.11
40..47
0.18
0.13
48..55
0.21
0.15
56..63
0.24
0.17
64..71
0.26
0.19
72..79
0.29
0.21
80..87
0.32
0.23
88..95
0.35
0.25
96..103
0.38
0.27
104..111
0.41
0.29
112..119
0.43
0.30
120..127
0.46
0.32
128..135
0.49
0.34
136..143
0.51
0.36
144..151
0.54
0.38
152..159
0.56
0.40
160..167
0.59
0.42
168..175
0.62
0.44
176..183
0.64
0.45
184..191
0.67
0.47
192..199
0.70
0.49
200..207
0.72
0.51
208..215
0.75
0.53
216..223
0.77
0.55
224..231
0.80
0.57
232..239
0.82
0.58
240..247
0.84
0.60
248..255
0.87
0.62