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PD28-1-1021 / PD28-3-1021 V1.4 Hardware Manual (Rev. 1.03 / 2018-JAN-25) 28
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Version
Date
Description / Modifications compared to previous versions
extended current settings the module supports NEMA11 (28mm)
bipolar stepper motors using the lower current range and also
NEMA17 (42mm) bipolar stepper motors using the higher current
range – making it possible to use just one module type in a
mixed NEMA11 / NEMA17 system environment (if desired /
applicable).
- RS485 transceiver: the RS485 transceiver has been replaced with
the SN65HVD1781 transceiver offering better fault protection (up-
to 70V fault protection) and supporting more nodes in one
network (up-to 255 nodes per network with TMCL firmware). The
supply voltage of the transceiver IC has been reduced to +3.3V
(supported by the transceiver IC) in order to reduce power
consumption.
- General purpose outputs OUT0 / OUT1: the driver circuit of the
open-drain output MOSFETs has been modified in order to
ensure glitch-free power-up. That is, output MOSFETs will not
turn briefly on while processor still in reset / not initialized.
- Processor speed: the processor crystal has been changed to
16MHz
TMCM-1021_V14
2013-JUL-30
- On-board voltage regulator design has been improved in order
to allow processor core frequencies of 32MHz (previously 16MHz
and 8MHz depending on firmware version)
*): V10, V11 and V13: prototypes only.
**) V12: series product version. Is replaced with V14 series product version due to EOL (end-of-life) of the driver MOSFETs.
Please see “PCN_1012_10_22_TMCM-1021.pdf” on our Web-site, also
Figure 11.2: Hardware revision
12 References
[PD-1021] PD-1021 TMCL firmware manual
[QSH2818-32-07-006] NEMA11 / 28mm bipolar stepper motor used with PD28-1-1021
[QSH2818-51-07-012] NEMA11 / 28mm bipolar stepper motor used in PD28-3-1021
[JST] JST PH connector (2.0mm pitch, disconnectable crimp style)
http://www.jst.com
[USB-2-485] USB-2-485 interface converter manual
[TMC262] TMC262 datasheet
TRINAMIC manuals are available on http://www.trinamic.com.