Curtis Instruments has added a
significant upgrade to its AC motor
speed controller family. The new ‘E’
Series controllers use powerful dualmicroprocessor
logic cores
that meet all relevant
requirements of
the EN ISO
13849-1:2009
functional
safety
standard, and
the updated EN
1175-1:1998+A1:2010
industrial truck safety standard.

Model 1232E is said to deliver
best-in-class control of AC induction
motors and offers high levels of
functional safety. It is designed for
use as the traction controller on class
3 materials handling ‘walkie’ vehicles
and other small battery-powered
industrial trucks. It is equally suitable
as the pump controller for auxiliary
hydraulic functions on larger
industrial vehicles. Improvements
over Model 1232 include:
Powerful dual-micro logic core
ensures full compliance with EN
ISO 13849-1; no need for additional
safety/supervisory control modules.

Faster 64MHz micro improves
motor control, and more than
doubles VCL code execution speed
Additional FLASH memory and
increased CAN Master capabilities
with 6more VCL CAN ‘mailboxes’.