2010 Construction and Material Specifications - Ohio Department of ...

733.03
Input > 22.0 VDC is NOT considered Low VDC input.
(b) 24VDC Timing.
Low VDC input < 200 ms is NOT considered a FAULT.
Low VDC input > 500 ms is considered a FAULT.
(c) Watchdog Monitor Input.
Input < 4.0 VDC is considered a LOW STATE.
Input > 12.0 VDC (or OPEN) is considered a HIGH STATE.
(d) Watchdog Error Timing.
Lack of valid input state changes for < 1400 ms is NOT a FAULT.
Lack of valid input state changes for > 1600 ms is a FAULT.
g. Communications and Software.
(1) Install an RS232 port for laptop communications on the
front panel of the Monitor.
(2) Furnish a Monitor with compatible communications
software for installation on a laptop computer, capable of interfacing with the
Monitor via the RS232 port on the front panel. Furnish the software on a 3 1/2inch
(85 mm) floppy disk with each Monitor. Label each disk with revision
number and date.
(3) Furnish a Monitor that is capable of being programmed and
set-up for intersection operation without the use of a laptop computer and
communication software; consider programming the Monitor via the laptop
computer a secondary method of set-up.
(4) Furnish a Monitor communications software that is capable
of showing and/or programming the status of all programmable set-up parameters
of the unit. Furnish a communications software that is capable of displaying the
following data:
(a) Fault type
(b) Field status (must update status continuously)
(c) AC line voltage (must update status continuously)
(d) Status of Red Enable
(e) Previous fault data
(f) Program card matrix
(g) Yellow disable jumpers (if applicable)
(h) Switch settings per channel (as applicable)
(i) Option switches
(j) Current time
(k) Temperature (must update status continuously)
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