CS1W-RPT02 datasheet(27/70 Pages) OMRON

27 / 70 page

Programmable Controllers SYSMAC

CS1G/H

Current Consumption for Power Supply Units

■ Checking Current Consumption and Power Consumption

After selecting a Power Supply Unit based on considerations such as the power supply voltage, calculate the current and power

requirements for each Rack.

Condition 1: Current Requirements

There are three voltage groups for internal power consumption: 5 V, 26 V, and 24 V.

• Current consumption at 5 V (internal logic power supply)

• Current consumption at 26 V (relay driving power supply)

• Current consumption at 24 V (power supply output terminals) (C200HW-PA204S only)

Condition 2: Power Requirements

For each Rack, the upper limits are determined for the current and power that can be provided to the mounted Units. Design the system

so that the total current consumption for all the mounted Units does not exceed the maximum total power or the maximum current

supplied for the voltage groups shown in the following tables.

● CPU Racks and Expansion Racks

The maximum current and total power supplied for CPU Racks and Expansion Racks according to the Power Supply Unit model are

shown below.

Note 1:For CPU Racks, include the CPU Backplane and CPU Unit current and power consumption in the calculations.

2: For Expansion Racks, include the Expansion Backplanes current and power consumption in the calculations.

Conditions 1 and 2 below must be satisfied.

Condition 1: Maximum Current

(1) Total Unit current consumption at 5 V

≤ (A) value

(2) Total Unit current consumption at 26 V

≤ (B) value

(3) Current consumption for service power supply at 24 V

≤ (C) value (Only when using the service power supply from the

C200HW-PA204S.)

Condition 2: Maximum Power

(1) x 5 V + (2) x 26 V + (3) x 24 V

≤ (D) value

■ Example: Calculating Total Current and Power Consumption

Example: When the Following Units are Mounted to a CS-series CPU Rack Using a CS1W-PA204S Power Supply Unit

Note: For details on Unit current consumption, refer to Ordering Information.

Power Supply Units

Max. current supplied

(D) Max. total

power supplied

(A) 5 V

(B) 26 V

C200HW-PA204C

4.6 A

0.6 A

---

30 W

C200HW-PA204

4.6 A

0.6 A

---

30 W

C200HW-PA204S

4.6 A

0.6 A

0.8 A

30 W

C200HW-PA204R

4.6 A

0.6 A

---

30 W

C200HW-PA209R

9 A

1.3 A

---

45 W

C200HW-PD024

4.6 A

0.6 A

---

30 W

C200HW-PD025

5.3 A

1.3 A

---

40 W

CS1D-PA207R

7 A

1.3 A

---

35 W

CS1D-PD024

4.3 A

0.56 A

---

28 W

Type

Model

Quantity

Voltage group

5 V

26 V

24 V

CPU Backplanes

(8 slots)

CS1W-BC083

0.11 A

---

CPU Unit

CS1H-CPU67H

0.82 A

---

Input Unit

CS1W-ID211

0.10 A

---

CS1W-ID291

0.20 A

---

Output Unit

CS1W-OC201

0.10 A

0.048 A

---

Special I/O Unit

CS1W-NC213

0.25 A

---

CPU Bus Unit

CS1W-CLK23

0.33 A

---

Service power supply

0.3 A used

---

0.3 A

Current consumption

Total

0.11 A + 0.82 A + 0.10 A x 2 +

0.20 A x 2 + 0.10 A x 2 +

0.25 A + 0.33 A

0.048 A x 2

0.3 A

Result

2.31 A (

≤ 4.6 A)

0.096 A (

≤ 0.6 A)

0.3 A (

≤ 0.8 A)

Power consumption

Total

2.31 A x 5 V=11.55 W

0.096 A x 26 V=2.496 W

0.3 A x 24 V=7.2 W

Result

11.55 + 2.496 + 7.2 = 21.246W (

≤ 30W)

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