General Specifications

Frequency Input

Any uni-directional or bi-directional (quadrature) source including self generating and zero velocity magnetic pickups, optical encoders, flowmeters, etc. When used with bi-directional sensors, the conditioner outputs both direction and magnitude.

Input Impedance and Configuration

Differential or single ended inputs. 100kΩ differential, 50kΩ single ended.

Input Threshold (keypad selectable)

10, 20, 50, 100, or 200mVpk-pk (between inputs) or TTL.

±130VDC or 130Vrms.

Input Signal Bandwidth

0.001 to 200kHz (10 to 200mV pk-pk threshold), 0.001 to 400kHz (TTL threshold).

Display Ranges and Resolution

Rangeless (use any F.S. Engineering Unit value) with 50% overrange. Resolution is 0.01% of F.S.

Low Pass Filter (keypad selectable)

20kHz (-3dB) or none. This filter is not available for TTL inputs.

Response Time

Greater of: 1 ms, typical (2 ms worst case) or the input pulse length.

Common Mode Rejection

80dB (60Hz), 55dB (0 to 10kHz).

Low Pass Filtering of Sampled Data

Unfiltered or 4 pole Bessel filter. Cutoff frequencies from 0.1 to 100 Hz in 1-2-5 steps.

Overall Accuracy

0.01% of F.S. @ 77°F (+25 °C), 0.015% of F.S. @ +41 °F to +122 °F (+5 °C to +50 °C).

Excitation Supplies

+12V@125mA² or +5V@250mA². short circuit (current limit) and overvoltage (fuses) protected.

Maximum Cable Length

500ft.

Type: 2 line by 16 alphanumeric characters, each 0.2" wide by 0.3" high. Backlit LCD with adjustable contrast.
Views: Select either 2 Channels, 1 Channel with Limit Status, or 1 Channel with I/O Status.
Data Displayed: Select from Current, Max, Min, Spread, Held data and Tare value.
Data Format: Engineering units with 6 digits (1-2-5 format) and 5 character, upper/lower case, user-entered legend/descriptor.

Number of Channels

Hardware: Supports one (Model 702) or two input channels (Model 722).
Calculated: One (CH3). Choose from 26 formulas based on CH1, CH2, and a constant.

Response (per channel)

Data Sampling & Max/Min Update Rates: 2000Hz (hardware channels), 50Hz (CH3 calculation).
Limit Checking Rate: 1000Hz (hardware channels), 50Hz (CH3 calculation).
Logic I/O Response Time: 1ms (hardware channels), 20ms (CH3 calculation).
Update Rate for each Analog Output: 1000Hz.

Control

(All I/O functions can be OR’d in any combination. The pattern function adds ANDing capabilities.)
Input Actions/channel: Logic inputs, outputs, and internal Matrix signals control following actions. Tare, Clear Tare, Hold, Clear Hold, Reset Max/Min, Clear Latched Limits, Check Limits, Do Max/Mins, Apply +CAL, Apply -CAL.
Output Events/channel: The following events drive Logic outputs and internal Matrix signals. HI Limit, NOT HI Limit, IN Limit, NOT IN Limit, LO Limit, NOT LO Limit, At Max, NOT At Max, At Min, NOT At Min.
Eight User-defined Patterns: Patterns of Logic inputs, outputs and Matrix signals drive Logic outputs and internal Matrix signals.

State Machine Capability

User enabled/disabled.  Permits up to eight states and allows Event Driven Testing.  See AN7000 for details.

Limit Checking

Each channel has a HI and LO limit which may be latched or unlatched, absolute or signed, and with or without hysteresis. Select either Current, Max, Min, Spread or Held data for limit checking.
Limit violations on any or all channels can be set to trigger backlight flashing in any of the display view modes.

Four Logic Inputs

Each with programmable destination, protected to ±130VDC or 130Vrms.
Type: TTL compatible, Schmitt Trigger, low-true with 47kΩ pull-up. Input current is -100μA @ 0V.

Six Logic Outputs

Each with programmable source, short circuit (current and thermal limits) and overrange (fuse) protected.
Type: Open collector, low-true. Operating @ 24V (max) and 0.3A max sink current.

External +5VDC Power
(on I/O connector)

250mA, short circuit (current limit) and overvoltage (fuse) protected.

Serial Communication Port

(user selectable as RS232, RS422, or RS485.  Supports 32 devices on RS485 port and 1 device on RS232/422)
BAUD Rate: 300 to 38400. Maximum Cable Length: 4000ft (RS422/RS485), 50ft (RS232).
120Ω Termination Resistors (RS485): user selectable for RXD and TXD.
RS422/485 Transceivers: Slew-rate limited, short circuit protected (current & thermal limits).
RS232 Drivers: Short circuit protected (current limit).
Serial I/O’s: Use a 9 pin D connector. They are ±15kV ESD protected and float (100kΩ) with respect to Earth Ground.
Commands: Control of all modes, settings, and measurements.

Non-Volatile Memory Storage for System Settings

EEPROM, batteries are not used.

Dual Analog Outputs

(each assignable to any of the 3channels, are short circuit (current limit) and overvoltage (fuse) protected.)
Output Impedance/Minimum Load Resistance: <1Ω/10kΩ.
Full Scale: ±5V or ±10V (user selectable). Resolution is ±2mV @ ±5V FS or ±4mV @ ±10V FS.
Overrange: ±8.2V @ ±5V FS or ±13.5V @ ±10V FS.
Non-linearity: ±2mV @ ±5V FS or ±4mV @ ±10V FS.
Overall Error (worst case, including temperature effects): ±5mV @ ±5V FS or ±10mV @ ±10V FS.
Filter: 100Hz, 5 pole Bessel response low pass filter.
Protection: Short circuit (current limit) and overvoltage (0.25A fuse) protected.

Size and Weight

6.5" wide, 2.9" high, 8.7" deep. Weight is 3 pounds.

Operating Temperature

+41°F to +122°F (+5°C to +50°C).

Input Power

90VAC to 250VAC, 50/60Hz @ 25VA, max. Two 2A/250V fuses, line filter, and rear power switch.
Option 12D1 converts from AC line power to 10 to 15VDC operation @ 15 Watts, max.  It includes a rear power switch, fuse & filter.

Notes:

1. The allowable total drain of the +10V and +15V supplies is 160mA.
2. The ratio expressed in decibels (dB), of Full Scale to noise spread. Measurements are made for a 1 minute interval using a 100Ω source impedance.
3. Both excitation voltages can be used simultaneously with the following restrictions:  4.8 x (12V current) + (5V current) ≤ 700 mA AND 12V current ≤ 125mA AND 5V current ≤ 250mA.
4.  Option MA converts voltage output to 4-20mA or 12±8mA current output(s).  See Bulletin 389-1 for complete details.
5. Specification is subject to change without notice.