Digitrax PM74 Manual - Página 5

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5.0 PM74 Options: OPSW changes

The PM74 configuration and behavior can be configured using OPSW's. The

Factory default OPSW settings will configure correctly for most common require-

ments.

Press the OPS button for about 3 seconds until the green ID and OPS LEDs

blink together. Release the OPS button. The PM74 is now setup to configure

OPSW's by sending the required SW# as Closed (C) or Thrown(T) to setup

an option.

Set the SW# from OPSW Table 1 choices below as C or T, matching the want-

ed settings.

When finished press and hold OPS button for 3 seconds to exit OPSW setup

mode. The PM74 will now restart with the new OPSW settings and adjust-

ments in effect.

Factory default OPSW settings are shown in BOLD.

You may also access all OPSW's by CV programming shown in section 7.0,

but using this SW command method may be less complicated.

OPSW's not in this table are reserved and should be kept at Factory default T

settings.

Table 1: PM74 Opsw setting table:

OPSW# Default Action

C = Change DS1 to auto-reverse mode

C = Change DS2 to auto-reverse mode

C = Change DS3 to auto-reverse mode

C = Change DS4 to auto-reverse mode

C = Lower fault trip current

C = Raise fault trip current, overrides Opsw7

C= Disable Occupancy Detection

C= Disable Transponding Detection

C= Increase Occupancy sensitivity

C= Factory Reset

C= Leds show Relay state, not detection

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