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OPERATION MANUAL CompoBus/S

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Remote Terminals Section 5-1<br />

192<br />

<strong>CompoBus</strong>/S<br />

<strong>CompoBus</strong>/S<br />

communications<br />

power supply<br />

(including I/O<br />

power supply)<br />

<strong>CompoBus</strong>/S<br />

communications<br />

Load<br />

Load<br />

Load<br />

Note The BS+ and BS− terminals of the communications power supply (including<br />

the I/O power supply) cannot be supplied from the communications cable, so<br />

they must be supplied separately.<br />

Load<br />

The following diagram shows the terminal arrangement and wiring for the 16output<br />

Relay-mounted Remote Terminals (SRT@-ROC16 and SRT@-ROF16).<br />

Load<br />

Load<br />

Load<br />

Load<br />

Internal connection<br />

Relay or Power<br />

MOS FET<br />

Relay<br />

Note 1. There are two each of the COM2 and COM3 terminals, and two each of<br />

the COM4 and COM5 terminals. When power is supplied to all the terminals<br />

at once, wiring the COM terminals can be simplified by short-circuiting<br />

the central COM terminals.<br />

2. The maximum carry current for each terminal from COM0 to COM7 is 3 A.<br />

When power is supplied to all the terminals at once, the total carry current<br />

for the COM terminals connected together must not exceed 3 A.<br />

3. The BS+ and BS− terminals of the communications power supply (including<br />

the I/O power supply) cannot be supplied from the communications cable,<br />

so they must be supplied separately.<br />

Load<br />

Load<br />

Load<br />

Load<br />

Load<br />

Load<br />

Load<br />

Load

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