Part 2

Example 3497A Configurations 6 1 7HOTOR STARTER CONTROL IHOTOR ;TARTERCONTRO VOLTAGEHOTORACTUATORAN0TERMINAL C.4RDD nCAUTIONEXTERNAL RELAY CONTACT PROTECTIONMAY BE REOUIRED FOR INDUCTIVE LOADS.SEE TEXT FOR GUIDELINES.TOHIGHVOLTAGEACTUATORCAROANNEL 0MOTORSTARTER AACTUATORTERMINAL CARO[COVER REMOVE01- CROUNDING STRAPTO CUSTOMEREARTH GROUND3497-OPC-203Figure 203. Example 16 - Motor Starter ConfigurationSAMPLE PROGRAMAn example program for the motor starter sequence is shown. In th e program, channel0 relay is closed, supplying voltage to motor starter A which starts motor A.Three seconds later, channel 0 relay is opened to disconnect motor starter A.After a 5 minute run time, motor A is turned off (by an external system) and channel1 relay then closes. After a three second delay, channel 1 opens. Following a6 minute run time for motor B, channel 2 relay is closed for 3 seconds and is thenopened. After a 4 minute run time, motor C stops, completing the cycle.If the optional DR command is used, relay status is displayed on the 3497A frontpanel. If the relays do not open or close as required, the program prints a "RELAYFAILED" message and halts the operation.Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com