ABB ACH580-01 Hardware Manual page 205

DI5 as frequency input
For setting the parameters for the digital frequency input, see ACH580 HVAC control
program firmware manual (3AXD50000027537 [English]).
DI6 as PTC input
If DI6 is used as a PTC input, see ACH580 HVAC control program firmware manual
(3AXD50000027537 [English]) for how to set parameters accordingly.
Note: If DI6 is used as PTC input, the wiring and the PTC sensor need to be double
isolated. Otherwise the CMOD-02 I/O extension module must be used.
1
1 One to six PTC thermistors connected in series.
Electrical installation – North America 205
PTC IN
10
PTC IN
18
UL
NEC