Recording, Recording performance, Operator interface – West Control Solutions MRC 5000 Controller Manual User Manual

Page 27: Control outputs, Alarms, Relay outputs, Power requirements

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27

RECORDING

Pen Type

Disposable fiber tip

Pen Color

Pen 1 - Red
Pen 2 - Green

Chart Size

10 inch

Chart Drive

Stepper motor

Chart Rotation

User configurable: 8 hours, 12 hours, 24 hours, 48 hours, or 7 days

Chart Span

Bottom and top of span, -9999 to 9999 units

RECORDING PERFORMANCE

Chart Recording Accuracy

0.5% of chart span reference accuracy

Chart Rotation Accuracy

±

0.5% of rotation time, assuming all backlash removed

OPERATOR INTERFACE

Display

Four digit, 0.56" high, red, seven segment, LED display

Status Indicators

Four red LED alarm status indicators, One green LED Pen 2 indicator

Keypad

Three keys for programming and unit operation

Display Modes

Normal: Process value(s) or blank

CONTROL OUTPUTS

Number

Up to two control outputs for each of two inputs

Type

On/Off, Reverse or Direct Acting

Hysteresis

Fully adjustable, 0 to 200 units, First output straddles setpoint, second output
setpoint plus or minus 1/2 hysteresis and setpoint plus or minus 11/2 hysteresis

ALARMS

Number

Up to two process alarms for each of two inputs

Type

Process high or low

Limit Device

Optional high/low limits for each input with latching output
Normally open output latches open
Red reset button included to the right of the display

Hysteresis

Fully adjustable, 0 to 200 units, single sided

Security

Alarm setpoint changes can be prohibited

Sensor Fault Action

Alarms work normally in "Hi" and "Lo" conditions
Alarm relays are deenergized in a "SnSr" sensor break condition

RELAY OUTPUTS

Relays

SPDT, contacts rated 5 amps resistive at 115 VAC,
2.5 amps resistive at 230 VAC, 1/8 HP at 230 VAC (single phase),
250 VA at 115/230

POWER REQUIREMENTS

Line Voltage

90-264 VAC, 50/60 Hz
Optional: 20-50 VAC, 50/60 Hz or 22-65 VDC

Power Consumption:

18 VA Maximum

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