P
AGE
54
INPUTS
Milliamps
Millivolts
4-20mADC
0 to 100mV
(Can be scaled to any portion of this range)
Volts
0 to 5VDC*
1 to 5VDC*
*Volt inputs are accomodated by removal of a shunt resistor
ALARM ADJUSTMENTS
Process Alarm
0 to 9999
Hysteresis
0 to 1000
PROCESS VALUE OUTPUT
Current
0 to 20 or 4 to 20 mADC
ALARM, PRESET, AND PULSED OUTPUTS
Relay
SPST/SPDT
115VAC: 5.0A Resistive, 1/8HP or 250VA
230VAC: 2.5A Resistive, 1/8HP or 250VA
SSR Driver
Open collector output
Short circuit protected @ 100mA maximum
Provides 4VDC at 20mA or 3VDC at 40mA
DISPLAY
Digital Display
Two possible; one per installed pen. Red LEDs 0.36" high
Status Indicators
LED indicators for Alarm 1 and Alarm 2, Process Value Displayed
(PV) and Total displayed (TOT)
RECORD
Chart
10 inch circular chart; 100 charts furnished with each instrument if
standard range
Chart Range
0 to 9999 units
Chart Drive
DC stepper motor
Chart Rotation
User configurable from 0.1 to 999.9 hours per revolution
Pen Type
Disposable fiber tip
Pen Color
Pen 1 - Red
Pen 2 - Green
Pen Response Time
< 9 Seconds over chart span
Accuracy
±
1% of chart span max. error from displayed value
Chart Rotation Accuracy
±
.5% of chart rotation
Summary of Contents for MRC 7800
Page 56: ...PAGE 56...