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Maxuum III Digital Electronic Indicator 2239028 Rev D
Data is available at up to 16 readings per second. The complete
output signal consists of three signals:
• A Clock Signal
• A Digital Data stream
• A Sign Signal
During the Power Down state an output signal is sent approxi-
mately every 0.844 seconds.
8.1.1 Power Inputs
The Maxum III normally runs on battery. When the output con-
nection is attached, a 5 volt and ground connection powers the
Maxum III output circuitry.
8.1.2 Signal Output
The three basic signals output from the Maxum III are:
• Clock (clk out)
• Digital stream (dig. out)
• Sign (sign ‘1’ (-))
The Sign signal is logic high when the minus ( - ) sign is visible.
The Clock is 16.384 kilohertz square wave signal which is active
for 12.7 ms during valid data time, otherwise this signal is in the
Signal Name
6-pin conn.
Signal Name
10-pin conn.
1
+5V +5V
2
Clock Out Clock Out
3
Digital Out Digital Out
4
Sign ‘1’ (-) Sign ‘1’ (-)
5
Signal Com Signal Com (Gnd)
6
Shield Shield
7
N/A Not for customer
use***
8
N/A Not for customer
use***
9
N/A RESET
10
N/A HOLD
*** - These pins are never to be connected to. User assumes
any and all liability when connecting to pins 7 & 8.
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