45SETUP • OPERATION5. Alarm System5.1 general informationNew to the DSP7000 is a built-in alarm system, designed to caution the user when problems occur.An automatic electrical and temperature alarm is programmed into the unit to protect against electricaloverloads and overheating equipment when using a Magtrol DES 3xx Power Supply. There arealso power, speed, torque, air flow, water flow and external input alarms internal to the unit, whichonly become active when enabled by the user. Instructions on how to set up and activate thesealarms are included in this chapter.5.1.1 alarM relay (io CarD opTion)one of the two relays on the optional Io card can be set to operate in conjunction with the alarms.Relay Specifications:• Contact Configuration: 1 FORM C SPDT• Contact Rating: 24 VDC, 1 amp max• Manufacturer P/N: OMRON G5V-2-H1-DC24The relay has normally open and normally closed contacts. Under normal conditions, the relay isenergized as shown in Figure 5–1.COMMONN.O.N.C.Normal Operation“CLOSED”Figure 5–1 Normal Condition “Energized Relay”In an alarm condition (or power failure), the relay is de-energized as shown in Figure 5–2.COMMONN.O.N.C.Alarm Condition“OPEN”Figure 5–2 Alarm Condition “De-Energized Relay”
