TPM
STP-M112A/B Quick Start
13
Microstep
Select from 8 steps (division by 1, 4, 8, 16, 32, 64, 128 and 256)
1.3. Specifications
The functions offered by this board can be classified as serial communications, motion control, and motor
driving operations.
1.3.1. Serial communications
Item
Signal name
Specifications
Cyclic communication times
and data transfer cycles
Communication time:
15.1 μ
s, maximum.
Data transfer cycle
Maximum of 0.49 msec, when using 32 devices. #1
Maximum of 0.97 msec, when using 64 devices. #2
(Data transfer speed: 20 Mbps, when using our
recommended cable #1:100m, #2: 50m)
Date communication time
Maximum 19.3
μ
s
(When writing a 4 byte feed amount into the feed register
in the G9103B)
Total serial communication
line length
Maximum of 100 m (At a data transfer speed of 20 Mbps
with 32 devices connected)
Maximum of 50 m (At a data transfer speed of 20 Mbps
with 64 devices connected)
Maximum of 100 m (At a data transfer speed of 10 Mbps
with 64 devices connected)
(Using our recommended cables)
Serial communication method
Half-duplex communication
Connection method
Multi-drop connection using a LAN cable or our
proprietary cable.
Serial communication device
number
RS1 and A4 Assignable device numbers, 0 to 32
The rotary switch can set the device id ranging from 0 to
15. For device ranging from 16 to 32, the A4 switch needs
to be switched to 1.
