Rockwell-automation 700-RTC Type RTC Fixed Time Solid-State Timing Rel Manual do Utilizador descarregar pdf (Página 3)

Publication 700-IN004C-EN-P - October 2009

Bulletin 700 Type RTC Fixed Time Solid-State Timing Relays 3

Adding or Changing

Contact Cartridges

(continued)

Figure 1. Removing and Orientation of Cartridges

Operation

Table 1 outlines timer operation in both the on-delay and off-delay modes.

The red LED indicator on the front housing of the timer gives visual

indication of timing, timed out, and reset or stable timer conditions. At certain

settings, there may be a slight delay in the LED operation. The timing

sequence is not

affected by this delay.

Table 1 Timer Operation

Note: When the timer is energized or times out in the on-delay mode, an

N.O. contact may close before an N.C. contact opens; this can occur because

of inherent operating characteristics. Similarly, when the timer is de-energized

or times out in the off-delay mode, an N.C. contact may close before an N.O.

opens. Assured contact overlap or non-overlap cannot be provided in the same

device.

Orientation of cartridges

Method of removing cartridge

Projection for Keying

Insert cartridge with this end at top of timer

Operating

Mode

Power

(Terminals

L1-L2)

Voltage

(Applied to

Initiate

Terminal P)

Timer Status Red LED

Indicator

Contact Cartridge Statue

Instantaneous Timed

N.O N.C N.O N.C

On-delay On No Reset Off Open Closed Open Closed

Yes Timing Flashing Closed Open Open Closed

Yes Timed Out On Closed Open Closed Open

Off No Stable Off Open Closed Open Closed

Yes Stable Off Closed Open Open Closed

Off-delay On Yes Reset On Closed Open Closed Open

No Timing Flashing Open Closed Closed Open

No Timed Out Off Open Closed Open Closed

Off No Stable Off Open Closed Open Closed

Yes Stable Off Closed Open Open Closed

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