Sensaphone WEB600 Users manual Uživatelský manuál stáhnout pdf (Strana 14)

WEB600 User’s Manual

4–20MA CURRENT LOOP TRANSDUCERS

The inputs on the Web600 are compatible with transducers that produce an analog output current of 4

to 20mA. Such transducers are available to measure tank and well levels, extreme temperatures, air pres-

sure, water pressure, flow, voltage, current, rotational speed, etc. Contact our technical support depart-

ment for assistance regarding your monitoring requirements. Follow the wiring diagrams below for

connecting a 4–20mA device:

External

24V

Power

Supply

FGD-0053

4-20 mA

Transducer

Wiring a 4–20mA device using an external 24 VDC supply.

RELAY OUTPUT WIRING

The WEB600 includes an SPST relay output that can be used to turn on a light, siren, or other device

whenever an alarm occurs. The output is a normally open dry contact that can be used for low voltage

switching. The relay is rated for up to 30VAC/VDC 1 Amp. A sample wiring diagram is shown below:

Battery

Backup

Ethernet

Power

Alarm

Zone

+1–

Zone

+6–

Zone

+5–

Zone

+4–

Zone

+3–

Zone

+2–

Relay

Output

The relay will engage whenever an input is above or below the programmed alarm limits and the pro-

grammed recognition time has been met. It will release as soon as the input returns to a normal condi-

tion.

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Sensaphone WEB600 Users manual Uživatelský manuál Strana 14