Spirax Sarco SX80 - Page 35

IM-P323-32
CTLS Issue 5
35
SX80 and SX90 Quickstart Guide
3.4.4.9 Digital inputs B, C and D
LB LC LDLA
These are volt free contact closure inputs which may be used for Auto/Manual
select or alarm acknowledgement.
For functionality refer to the Engineering Manual and Quick Code Set 2.
SX80 only
- LA and LB not isolated from each other.
- Not isolated from the sensor input.
- Switching: LA/LB 12 Vdc at 6 mA maximum.
- Contact open >1200/Ω, Contact closed < 300 Ω.
LA
LC
LA
LB
LC
LB