Ludlum Measurements 52-1, Руководство пользователя

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Model 52-1 Family Technical Manual
Section 4
Ludlum Measurements, Inc. Page 4-3 July 2018
Low Battery red LED:
indicates the batteries are low and must be
replaced immediately.
AC Panel
Line Fuse:
fuses to limit current from the AC outlet. The
fuses are Littlefuse F-1A or equivalent.
Input:
line voltage input, 85-250 Vac, 50/60 Hz, 250 W
RS-232:
RS-232 port so that instrument can be connected to
a printer or a computer
Batteries:
instrument may be powered using three or six
each “D” cell batteries
Relay:
6-pin connector to connect internal relays
Relay pinouts:
P1
Alarm Normally Closed
P2 Alarm Common
P3 Alarm Normally Open
P4 Instrument Fail Normally Closed
P5 Instrument Fail Common
P6 Instrument Fail Normally Open
EXT Switch:
3-pin connector for an external activation
switch. External switch can be a passive push-button switch,
or can be an NPN-transistor output infrared sensor.
Parameters and Functions
This section lists the different parameters of these instruments and their
functions. To enter setup mode, press and hold the
Increment (Up Arrow)
Button while turning ON the instrument at the switch under the control
box. This will allow the user to change the parameters.
Language:
The language is set to English.
Month:
adjustable from 1 to 12, which indicates the month.
Day:
represented by one number, from 1 to 7.
Year:
represented by two numbers.
Count Time:
adjustable from 0 to 250 seconds, where 0 sets the portal in
the walk-through mode.