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2032-A0180JX-27J Datasheet(PDF) 8 Page - Allen-Bradley |
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2032-A0180JX-27J Datasheet(HTML) 8 Page - Allen-Bradley |
8 / 9 page 12-18 Safety Isolation System ElectroGuard Typical Wiring Diagram/Wire Length Considerations Typical Wiring Diagram Wire Length Considerations Each Remote Lockout Station is connected to the Control Module in the Power Panel of the Safety Isolation System. The total length of the wire used to connect the Remote Lockout Stations to the Control Module should not exceed the maximum values shown in the following tables. Calculate the total wire length as follows: 1. Determine the distance in feet or meters from each Remote Lockout Station to the Control Module (located inside the Safety Isolation System Power Panel). 2. Sum the distances for all of the Remote Lockout Stations. 3. Double this value. 4. Compare this doubled value with the maximum values for total wire length shown in the table below: Total Wire Length for Remote Lockout Stations If the application requires a total wire length greater than those shown in the table, one or more Expansion Modules should be used. The maximum wire length for the Expansion Modules is shown in the following table: For North America For Outside of North America Wire Gauge Max. Total Wire Length Wire Gauge Max. Total Wire Length 14AWG 4,600 feet 18 Gauge Metric 1,400 meters 16AWG 2,600 feet 14 Gauge Metric 800 meters 18AWG 1,300 feet Safety Isolation System with Optional Fusible Disconnecting Means L1 Designates field connection points Remote Lockout Station(s) To Motor Starters To Loads GC 1IC 2IC L2 L3 T1 T2 T3 ATTENTION: It is important not to exceed the maximum wire length values shown in this section. If the maximum values are exceeded, this may result in an unreliable signal to the Safety Isolation System. Consider using an Expansion Module if wire lengths greater than those shown for the Remote Lockout Stations are needed. Total Wire Length for Expansion Modules Sample Calculation: An application for a 630A Safety Isolation System will require 8 Remote Lockout Stations (RLS): The wire length from RLS # 1 to the Control Module (in the ElectroGuard Power Panel) will be 50ft. The wire length from RLS # 2 to the Control Module will be 200ft. The wire length from RLS # 3 to the Control Module will be 100ft. The wire length from RLS # 4 to the Control Module will be 300ft. The wire length from RLS # 5 to the Control Module will be 500ft. The wire length from RLS # 6 to the Control Module will be 1000ft. The wire length from RLS # 7 to the Control Module will be 850ft. The wire length from RLS # 8 to the Control Module will be 750ft. 14AWG wire will be used to connect the RLS to the Control Module (see illustration below). Analysis: The Control Module furnished with the 630A Safety Isolation System is capable of supporting a maximum of six (6) RLS. Since this installation will require eight (8) RLS, an optional 4 port Expansion Module will also be used. The Expansion Module will be wired to the Control Module and will take the place of one of the original six RLS. We will, therefore, plan to wire five (5) of the RLS directly to the Control Module and three (3) of the RLS to the Expansion Module. Since the Expansion Module allows greater wire lengths than the Control Module, we will plan to wire the RLS to be installed furthest away from the Power Panel to the Expansion Module. For RLS # 1: wire length = 50ft x 2 = 100ft For RLS # 2: wire length = 200ft x 2 = 400ft For RLS # 3: wire length = 100ft x 2 = 200ft For RLS # 4: wire length = 300ft x 2 = 600ft For RLS # 5: wire length = 500ft x 2 = 1000ft For North America For Outside North America Wire Gauge Max. Total Wire Length Wire Gauge Max. Total Wire Length 14AWG 40,000 feet 18 Gauge Metric 12,200 meters 16AWG 23,000 feet 14 Gauge Metric 7,000 meters 18AWG 11,700 feet 152m (500ft) 304m (1000ft) 259m (850ft) 228m (750ft) RLS #5 RLS #4 RLS #3 RLS #7 RLS #8 RLS #6 RLS #1 RLS #2 91m (300ft) 30m (100ft) 61m (200ft) 15m (50ft) Expansion Module Control Module Power Panel |
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