User`s manual

CD Automation srl REVO S User’s Manual
CD-Eng-REVO-S-1PH-60-210A-Solid-State-Relay
16
8.1 HB Alarm contact
The Revo unit with HB option, is supplied with Heater Break alarm contact normally opened (NO):
• In normal conditions (without alarm) and with auxiliary power supply, the contact to the terminals
has opened (relay coil energized).
• In alarm condition or without auxiliary power supply the contact to the terminals is closed (relay coil
not energized).
if you wish to change the alarm contact open the cover of the module and set the jumper as shown in
the next page .
Warning: Before operate, be sure that power and control cables are isolated from voltage
sources
JP1
JP1
JP1
A - B = NC
JP1
B - C = NO