Rockwell-automation 837E Solid-State Temperature Sensors Uživatelský manuál stáhnout pdf (Strana 17)

837E Solid-State Temperature Sensors User Manual

Operation

Pub #75054-004-08, March 2013 15

Output setting

• Hysteresis mode

The hysteresis mode enables two-point control via a hysteresis. Depending on the

temperature T, the hysteresis can be set via the switch point SP and the reset point RSP.

• Window mode

The window mode allows for the monitoring of a temperature range.

• Analog output mode

The analog output mode returns a 4…20mA signal proportional to the measured value.

The upper and lower range values can be set by the user.

• Each switch point can be selected as Normally Open (N.O.) or Normally Closed (N.C.)

Figure 8

 Hysteresis mode, Window mode,  Switch status of N.O. contact,  Switch status of

N.C. contact

SP = switch point; RSP = reset point

RSP

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Rockwell-automation 837E Solid-State Temperature Sensors Uživatelský manuál Strana 17