8
6-3 Feedback signal power and Load resistance
The load resistor connected determined based on the following equation. The load resistance is
also considering conducting wire resistance.
Load resistance (R + r)[ohm] ≤ (Feedback signal power[V] – 12[V]) / (20[mA] / 1000)
The maximum power supply voltage is the 36V DC at Flame-proof and 24V DC at Non-explosion
proof.
Controller
Input signal
Feedback signal
Power supply
Load resistance (R) Wire resistance (r)
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