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This model:
Terminal Function Diagram
Specifications
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General Specifications
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Input/Output Configuration
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Specification |
| A/D conversion channel |
Range: 0 - 5.12 V
Resolution: 10 bits (5.0 mV/bit)
Accuracy: ±10 mV
Programmable software multiplier: 1 to 64 |
| Digital Encoder channel |
Two Index Modes:
A) Up/down counter tracks input position. Counter rollover range 1 to 65635.
B) Synchronized by external signal.
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| RPM channel |
Speed: 60 - 65535 RPM (for sample period 1 sec).
Programmable software divide: 1 to 8 poles.
Interface: 5 V TTL level input.
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| Frequency/Event Counter channel |
Frequency: 0 - 30,000 Hz
Event Counter: 16 bit, 0 - 65535
Clocking Logic: high to low transition.
Interface: 5 V logic level input. |
| Digital Input configuration (ST) |
Logic Low < 1.0 V
Logic High > 4.1V |
| Digital Input configuration (TTL) |
Logic Low < 0.8 V
Logic High > 2.1 V |
| Digital Output configuration (CMOS) |
Source 5 mA @ 3.5V
Sink 7mA @ 1.5V. |
| MAX all I/0 pins except Power Switch |
Input Voltage: -0.3 to 6.0 V
Input Current: 200 mA any input or combination of inputs combined. |
| MAX MOSFET Power Switch |
Current: 2.0 A switched to GND, open drain.
Open Circuit Voltage: 32 V, zener diode protected.
On Resistance: 0.06 ohm |
| Various Parameters |
Specification |
| Voltage Reference Output |
Voltage: 5.12 V ± 0.5%
Maximum Current: 100 mA
0.3 ohm output switch. |
| Serial Data Output Format |
Text row. Time (HH:MM:SS.D) or sample count (nnnnnn) column, followed by up to eight columns of data. Delimiter is space.
Output data terminator: CR+LF or CR only.
Input data terminator: CR+LF, CR, LF (auto-detected). |
| Sample Signal Outputs |
Green LED. Indicates sample action.
External test pin provides a 2 V pulse during a sample action. This may be used to signal external instruments. |
| Dimensions |
Enclosure ABS black plastic.
4.35 x 2.2 x 1.1 (inches).
4 x 0.17 diameter mounting holes. |
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| Specific To PALC M3-HV |
| Parameter |
Specification |
| Communication |
RS-232 9600 Baud, 1 stop bit, no parity, no handshaking.
ASCII text. |
| Internal Sample Timebase |
Rates: 1Hz, 2Hz, 5Hz, 10Hz
Period: 00:01 to 10:59 min:sec |
| Supply Voltage |
8V to 30V.
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Current Drain
(digital inputs terminated, outputs unloaded, 12V supply) |
1.2 mA typical while active and driving an active RS-232 serial port.
0.5mA typical while active but not driving a port (used as a controller for example).
300 uA typical in sleep mode. |
| Low Battery Indication |
[LOWBAT] text is prepended to output data string if battery voltage is less than 7.5V. |
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