8C-PDILA1 Honeywell

Introduction

The digital input option detects the state of external contacts wired to it. On contact closure, the recorder 

responds according to how each digital input is configured.

· Make your selection under Set Up group “CONTROL1” or “CONTROL2”, function group prompt 

“REM SW”: see Subsection 3.10—Table 3-7 or Subsection 4.6—Table 4-5.

Action on contact closure

84HTable 5-26 lists the configuration prompt selections, the “Action on Contact Closure”, and the display 

indication for each selection available.

Table 5-26 Digital input option action on contact closure

REM SW

Selections

Display Indication Action on Contact Closure

None None No Digital Input selection

To MAN “MAN” blinks Puts the recorder into manual mode; contact open 

returns the recorder to former mode unless AUTO/MAN 

key is pressed while digital input is active.

To LSP “RSP” blinks Puts the recorder into local setpoint 1(switches out of 

remote). When contact opens, the recorder returns to 

former operation unless the FUNC key is pressed while 

digital input is active.

To 2SP “RSP” blinks Puts the recorder into local setpoint 2.

To DIR None Selects direct controller action (transfer if in reverse).

RN/HOLD “H” blinks in upper display Suspends setpoint program or setpoint ramp.

· Keyboard takes priority over external switch for 

RUN/HOLD function.

· Contact open runs the program or ramp.

· If initially in the HOLD state, close then open the 

contact to remotely start the SP ramp or program.

TUNE TUNING x Initiates Accutune.

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