Mercoid Series MPC Specifications-Installation And Operating Instructions Download Page 12

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A1td

Alarm 1 Time Delay: Select

0FF

1 to 8000

seconds. Factory default is

0FF

Alarm function will operate when triggered at

programmed Alarm Set Point.

1-8000

Alarm function will only operate once the

programmed time has elapsed after the

alarm was triggered by the Alarm Set Point.

AL2

Alarm 2 function: Select

0FF

HiLo

, or

SF0t

. Factory default is

0FF

Alarm 2 is disabled. No Alarm 2 menu items

appear in the Secondary or Secure menus.

Low Alarm Only.

A2Lo

appears in the

Secondary Menu.

High Alarm Only.

A2Hi

appears in the

Secondary Menu.

HiLo

High and Low Alarms. Both

A2Lo

and

A2Hi

appear in the Secondary Menu, and share

the same Alarm 2 Relay output.

Seal Failure ONLY will trigger Alarm.

Over Temperature Failure ONLY will trigger

Alarm

SF0t

Both Seal Failure and Over Temperature

Failure will trigger Alarm.

With the Alarm Function settings on

0FF

SF0t

certain alarm related menu items will disappear as those

menu items do not apply.

A2t

Alarm 2 Type: Select

AbS

. Factory default is

AbS

Absolute Alarm that may be set anywhere

within the values of

SCAL

and

SCAH

and is

independent of

SP1H

Deviation Alarm that may be set as an offset

from

SP1H

. As

SP1H

is changed the Alarm Point

will track with

SP1H

A2rE

Alarm 2 Reset: Select

0n0F

HoLd

Factory default

0n0F

Automatic Reset.

HoLd

Manual Reset. Reset (acknowledge) by

simultaneously pressing the

INDEX and

DOWN ARROW keys for 5 seconds.

A2Pi

Alarm 2 Power Interrupt: Select

0FF

. Factory

default is

0FF

Alarm Power Interrupt is

0FF

Alarm Power Interrupt is

OFF

A2iH

Alarm 2 Inhibit: Select

0FF

. Factory default is

0FF

Alarm Inhibit is

. Alarm action is suspended

until the process value first enters a non-

alarm condition.

0FF

Alarm Inhibit is

OFF

A2St

Alarm 2 Output State: Select

CL0S

0PEn

. Factory

default is

CL0S

Closes Contacts at Alarm Set Point.

0PEn

Opens Contacts at Alarm Set Point.

A2LP

Alarm 2 Lamp: Select

0 on

0oFF

. Factory

default is 0 on.

0 on

Alarm Lamp is

when alarm contact is

closed.

0oFF

Alarm Lamp is

OFF

when alarm contact is

closed.

A2td

Alarm 2 time Delay: Select

0FF

1 to 8000

seconds.

Factory default is

0FF

Alarm function will operate when triggered at

programmed Alarm Set Point.

1-8000

Alarm function will only operate once the

programmed time has elapsed after the

alarm was triggered by the Alarm Set Point.

FiLt

Digital Filter: Select

0FF

. In some cases

the time constant of the sensor, or noise could

cause the display to jump enough to be unreadable.

If this value is set too high, controllability will suffer.

Factory default is

P0H

(Analog Retransmission Output, see page 8)

Process Output High: Select from any value greater

than

P0L

to 9999 counts. Factory default is

23.1

P0L

(Analogw Retransmission Output, see page 8)

Process Output Low: Select -1999 counts to any

value less than

P0H

. Factory default is

0.0

The remaining menu items appear if the corresponding

option was purchased with the control.

L0rE

(Option 232 and 485, Serial Communications)

Local / Remote Status: Select

L0C

. Factory

default is

L0C

The host computer is advised not to send

remote commands. Any write commands

sent to the controls will be rejected.

The host computer is allowed to send

write commands. If the control is not

addressed within the time set in the

nAt

(No

Activity Timer, see Secure Menu) the

CHEC

L0rE

error message will be displayed.

Addr

(Option 232 or 485, Serial Communications)

Control Address: Set from

. This number

(hexadecimal, base 16) must match the address

number used by the host computer. Factory default

is 32.

bAUd

(Option 232 or 485, Serial Communications)

Communication Baud Rate: Select

300

1200

2400

4800

9600

, or

19200

. This number must match the

baud rate used by the host computer. Factory

default is

9600

nAt

(Option 232 or 485, Serial Communications) No

Activity Timer: Set from

0FF

minutes.

Factory default is

0FF

1-99

Maximum time between host computer

accesses. If timer counts to 0,

CHEC

L0rE

will

be displayed.

0FF

No Activity Timer function is disabled.

Stor

(Option 232 or 485, Serial Communications) Store

to EEPROM: Select

Yes

YES

Menu item changes made through serial

communications are stored directly to

EEPROM.

Menu item changes made through serial

communications are stored in RAM.

(Settings are lost if power is disconnected)

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for Series MPC

Page 1: ...NPN open collector type Current 1 mADC Isolation Shares common ground with transmitter input Alarm On Off Differential 1 count Set Point Range Selectable Power Voltage Stability 0 05 over the power voltage range Temperature Stability 100 PPM C typical 200 PPM C maximum Common Mode Rejection 140 db minimum at 60 Hz Normal Mode Rejection 65 db typical 60 db at 60 Hz Isolation Relay 1500 VAC to all o...

Page 2: ...n see Specifications for specific tolerances All models are designed for mounting in an enclosed panel Select the position desired for the instrument on the panel Prepare the panel by cutting and deburring the required opening From the front of the panel slide the housing through the cut out The housing gasket should be against the housing flange before installing From the rear of the panel slide ...

Page 3: ...puts then jumper terminals 22 to 23 and 22 to 24 Figure 2 Wiring PUMP 1 OVER TEMP PUMP 2 OVER TEMP VOLTAGE CURRENT SEAL SENSOR INPUTS PUMP1 ALARM 1 CONTACTS ALARM 2 CONTACTS PUMP 1 OUTPUT PUMP 2 OUTPUT 24 VDC 50 MA ISOLATED PUMP2 N O COM N O COM N C COM N O N C COM N O NOTES 1 FOR SUPPLY CONNECTIONS USE NO 16 AWG OR LARGER WIRES RATED FOR AT LEAST 167 F 75 C OR IN ACCORDANCE WITH AN EQUIVALENT NAT...

Page 4: ...structions provided with your transmitter CONNECT JUMPER BETWEEN TERMINALS 2 AND 12 LEVEL TRANSMITTER CONNECT TRANSMITTER PLUS TO TERMINAL 11 CONNECT TRANSMITTER MINUS TO TERMINAL 3 1 22 23 24 25 26 21 28 29 30 31 32 27 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Figure 3 Transmitter wiring DO NOT wire the 24 V Power Supply across the input of the control Damage to the control input circuitry...

Page 5: ...nsmit Data in For half duplex operation wire only A and B Do not connect to Y and Z 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 DATA IN 30 DATA OUT 32 DATA GROUND 31 PIN DESCRIPTION 1 SHIELD 2 TRANSMIT 3 RECEIVE 4 RTS 5 CTS PIN DESCRIPTION 6 DSR 7 GROUND 8 DCD 20 DTR DB 25 WIRING VIEWED FROM WIRE SIDE 1 2 3 4 5 6 7 8 9 RS 232 DB 9 WIRING VIEWED FROM WIRE SIDE PIN DESCRIPTION ...

Page 6: ...obtainable is 9999 regardless of decimal point placement DOWN ARROW Decrements a value changes a menu item or selects the item to OFF The minimum value obtainable is 1999 regardless of decimal point placement ENTER The ENTER key is used to store the value of menu items once they are changed to a new value If the ENTER key is not pressed after changing the value the item will revert to the previous...

Page 7: ...on to minimize wear The Mercoid MPC pump controller has a pair of set points each for pump 1 and pump 2 If the lead lag feature is turned off SP1H and SP1L control pump 1 and SP2H and SP2L control pump 2 If the lead lag feature is turned on pumps 1 and 2 will be controlled in the alternating fashion described below In all cases the P1 lamp will indicate activity of pump 1 and the P2 lamp will indi...

Page 8: ...e sensor is still in the fail condition then the control will not reset If the temperature input is no longer in the fail condition then the display will revert to ANALOG RETRANSMISSION OPERATION The analog retransmission allows the Process Variable to be sent as an analog signal to an external device The signal may be either 2 10 VDC option RV or 4 20 mADC standard The output may be changed in th...

Page 9: ...00 in any increment of 10 Sets the resistance set point at which the controller will trip the Seal Failure based on the input from the pump moisture sensor The controller will activate the Seal Failure condition based on a decrease of resistance to the set point Selectable resistance range is from 10K to 500K Ω with the factory default at 120K Ω P1rn Pump 1 Run Time Total ON Time for Pump 1 in HOU...

Page 10: ...following Refer to the Input wiring section for the proper wiring Factory Default is Curr Curr DC Current Input 0 0 to 20 0 or 4 0 to 20 0 mA UoLt DC Voltage Input 0 0 to 10 0 or 2 0 to 10 0 volts Reserved P0t Pump Over Temperature Select AUt0 or rES When pump temperature sensor indicates that there is an over temperature condition the pump will be held out of service and the corresponding pump ov...

Page 11: ...rE is programmed for Hold the alarm will automatically reset upon a power failure and subsequent restoration if no alarm condition is present If Alarm Inhibit A iH is selected ON an alarm condition is suspended upon power up until the process value passes through the alarm set point once Alarm inhibit can be restored as if a power up took place by pressing both the INDEX and ENTER keys for 5 secon...

Page 12: ...sed A2td Alarm 2 time Delay Select 0FF or 1 to 8000 seconds Factory default is 0FF 0FF Alarm function will operate when triggered at programmed Alarm Set Point 1 8000 Alarm function will only operate once the programmed time has elapsed after the alarm was triggered by the Alarm Set Point FiLt Digital Filter Select 0FF or 1 to 99 In some cases the time constant of the sensor or noise could cause t...

Page 13: ...utputs active Alarms active Input signals may normally go above or below range ends If not check input and correct CHEC CAL Check calibration appears as an alternating message if the instrument calibration nears tolerance edges Check calibration appears as a flashing message if the instrument calibration exceeds specification Set point outputs active Alarms active Set point outputs inactive Alarms...

Page 14: ... Pump Over Temperature controller action selectable automatic or manual reset Pump Seal Failure controller action selectable automatic or manual reset System Test Selectable on or off Pump Run Time Rest Selectable on or off Set Point High value default is in feet Set Point Low value default is in feet Peak highest input value seen since last reset Valley lowest input value seen since last reset Al...

Page 15: ...electable onof auto or hold manual Alarm 1 Power Interrupt selectable on or off Alarm 1 Inhibit selectable on or off Alarm 1 Output State selectable close or open Alarm 1 Lamp condition when contact is closed selectable on or off Alarm 1 Time Delay selectable off or 1 to 8000 s Alarm 2 function selectable off lo hi hilo sf ot or sfot Alarm 2 Type selectable abs absolute or de deviation Alarm 2 Res...

Page 16: ...____________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ _____________________________...

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