User`s manual

SECTION 3: WIRING AND INSTALLATION
DS2100 User's Manual
C27750-001 PAGE 3-65
Note that:-
Input Impedance > 5k
.
Voltage Range is 12V to 32V from Digital-Input to the I_COMMON line. Inputs are protected for input voltages
from –40V to +40V
Input voltages whose magnitude is less than 12V with respect to the I_COMMON line will not be
guaranteed to be recognised as an active signal input.
Input voltages whose magnitude is more than 5V with respect to the I_COMMON line will not be
guaranteed to be recognised as an inactive signal input
All digital inputs are optically isolated for noise immunity purposes. All DS2100 digital inputs are isolated from
high voltage circuitry internally
Current flowing in the digital input implies the 'safer' of the corresponding active/inactive functions. For
example, when current flows in the clockwise limit switch input, then the limit is NOT active.