Scout MT-700 ENT, Руководство по эксплуатации

Страница: 15 / 155

МТ-700 fleet tracking system 15

I/O and interfaces
Universal inputs
МТ-700 STD, МТ-700 ENT, МТ-700 PRO, МТ-700 PRO trackers has 6(P0÷P5) tunable universal inputs,
four (Р0÷Р3) of which have the voltage measuring function and 2 outputs (P6, P7); Each port can be
programmed separately.
MT-700 Lite has only one output(P6) and one input(P2).
Table 5
PORTs P0, P1 P2 , Р3 Р4, P5 P6, P7
Port mode of
operation
analogue input,
digital input,
peak detector.
digital input,
countable entry (minimal
pulse length 200 ms),
differential flow meter,
frequency input,
PWM input,
analogue input ( for PRO only
Р2),
peak detector (only Р2),
1-Wire (for PRO only Р3). counting input
(minimal pulse length
1 ms),
differential flow
meter,
frequency input,
PWM input
Digital out,
Drive style,
Current state
indication,
engine block function.
Input resistance
100 kОhm; - - -
Input signal polarity
For digital input:
positive(internal
pull-down resistor). Positive (internal pull-down
resistor).
negative (internal pull
up resistor). -
Measurement range
For analogue input
0 ÷ 36 V
For analogue input:0 ÷ 36 V
For frequency input: up to
30000 Hz. For frequency input:
up to 30000 Hz. -
ADC discreteness
12 bit 12 bit - -
Other parameters
- - -
Output type: open
collector;
Maximal voltage: 65
V;
Over current
protection;
Maximal output
current: 200 mА.