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Model PD6200 Analog Input Rate/Totalizer
Instruction Manual
13
Serial Communications
METER
ADDRESS
1 - 247
BAUD RATE
300 - 19,200 bps
TRANSMIT
TIME DELAY
Programmable between 0 and 199 ms
or transmitter always on for RS-422 communication
DATA
8 bit (1 start bit, 1 stop bit)
PARITY
None
TURN AROUND
DELAY
Less than 2 ms (fixed)
Note: Refer to the PDC Serial Communication Protocol manual located at
www.predig.com for details.
PDA1044 Digital Input & Output Expansion Module
CHANNELS
4 digital inputs & 4 digital outputs per module
SYSTEM
Up to 2 modules for a total of 8 inputs & 8 outputs
DIGITAL INPUT
LOGIC HIGH
3 to 5 VDC
DIGITAL INPUT
LOGIC LOW
0 to 1.25 VDC
DIGITAL OUTPUT
LOGIC HIGH
4.75 to 5 VDC
DIGITAL OUTPUT
LOGIC LOW
0 to 0.4 VDC
SOURCE
CURRENT
10 mA maximum output current
SINK
CURRENT
1.5 mA minimum input current
+5 V
TERMINAL
To be used as pull-up for digital inputs only
Connect normally open pushbuttons 5 V & DI1-4.