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CJ1W-MD232 Datasheet(PDF) 3 Page - Omron Electronics LLC |
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CJ1W-MD232 Datasheet(HTML) 3 Page - Omron Electronics LLC |
3 / 10 page System Power and Expansion B-110 Programmable Controller CJ1 Current Consumption Calculate All Aspects of Current Consumption J Calculating Maximum Current Consumption A. Calculate Maximum Current Supply (See the table below.) • Current required at 5 VDC by all Modules in column (A) ≤ Maximum current consumption shown in table • Current required at 24 VDC by all Modules in column (B) ≤ Maximum current consumption shown in table • Current required at 24 VDC for service power supply in column (C) ≤ Maximum current consumption shown in table B. Calculate Maximum Total Power Supply (See the table below.) • A × 5VDC +B × 24 VDC + C × 24 VDC ≤ Maximum total power consumption shown in column (D) • The amount of current/power that can be supplied to the Modules mounted in a Rack is limited by the capacity of the Power Supply Unit. • Design the system so that the total current consumption of the Modules does not exceed the maximum current for each voltage group and the total power consumption does not exceed the maximum for the Power Supply Unit. Reference Table for Maximum Current Consumption The following table shows the maximum currents and power that can be supplied by Power Supply Units on CPU Racks and Expansion Racks. Power Supply Unit Maximum current consumption (D) Maximum total ti pp y (A) 5-V group (B) 24-V group relay driver power supply (C) 24-V group service power supply ( ) power consumption CJ1W-PA205R 5.0 A 0.8 A None 25 W CJ1W-PA202 2.8 A 0.4 A None 14 W CJ1W-PD025 5.0 A 0.8 A None 25 W Note:1. When calculating current/power consumption in a CPU Rack — be sure to include the power required by the CPU itself. When expanding the configuration, be sure to include the power required by the I/O Control Module. 2. When calculating current/power consumption in an Expansion Rack — be sure to include the power required by the I/O Interface Module itself. J Example Calculations In this example, the following modules are mounted to a CJ1 Series CPU Rack with a CJ1W-PA205R Power Supply Unit. Module Model Quantity 5VDC 24 VDC CPU CJ1G-CPU45 1 0.910 A — I/O Control Module CJ1W-IC101 1 0.020 A — Input Modules CJ1W-ID211 2 0.080 A — p CJ1W-ID231 2 0.090 A — Output Modules CJ1W-OC201 2 0.090 A 0.048 A Special I/O Module CJ1W-DA041 1 0.120 A — CPU Bus Module CJ1W-CLK21 1 0.350 A — Current consumption Calculation 0.910+0.020+0.080 ×2+0.090×2+ 0.090 ×2+0.120+0.350 0.048 A ×2 Result 1.92 A ( ≦5.0 A) 0.096 A ( ≦0.8 A) Power consumption Calculation 1.92 ×5V=9.60 W 0.096 A ×24 V = 2.304 W p Result 9.60+2.304 = 11.904 W ( ≦25 W) |
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