Dwyer Instruments Series MPCJR Installation and Operating Instructions
Bulletin L-21
4-1/2 [114.3]
3-19/32
MAX. PANEL THICKNESS 0.25 [6.35]
Series MPCJR Pump Controller
Specications - Installation and Operating Instructions
[91.3]
TABLE OF CONTENTS
Dimensions
Specications ..............................1
Getting Started ..............................2
Model Identication ..........................2
Installation .................................2
Wiring ...................................3-5
Front Panel Functions ......................6-7
Home Display ...............................7
Security Level Selection ......................7
Lead/Lag Operation ..........................7
Analog Retransmission Operation .............7
Serial Communication Operation ...............8
Menu Selections ............................8
Secondary Menu ............................8
Secure Menu ............................9-12
Alarm Type and Action ...................10-11
Diagnostic Error Messages ..................12
Programming Chart .........................13
Programming Example ......................14
................................1
17/32 [13.5]
3-25/32
[95.9]
SPECIFICATIONS
Inputs: 0 (or 4)-20 mA DC or 0 (or 2.0)-10.0 VDC
selectable.
Input Impedance: Current input: 10 Ω, Voltage input:
5K Ω.
Output Ratings: Control relays: SPDT, rated 10A @
240 VAC res., 1/4 hp @120 VAC, 1/3 hp @ 240 VAC;
Alarm relays: SPST, 3A @ 240 VAC res., 1/10 hp @
120 VAC; Other: 15 VDC @ 20 mA for output one and
output two.
Control Type: On/off, reverse or direct acting.
Power Requirements: 100-240 VAC nominal, +10%-
15%, 50 to 400 Hz, single phase; 132 to 240 VDC
nominal, +10%-15%.
Power Consumption: 7.5 VA max.
Accuracy: ±0.25% of span, ±1 least signicant digit.
Display: Two 4-digit, 7 segment 0.56˝ high LED’s.
Display Resolution: 1 count.
Memory Backup: Nonvolatile memory (no batteries
required).
Serial Communications: Optional RS-232 or RS-485
with Modbus
Ambient Operating Temperature / RH: 14 to
131°F (-10 to 55°C) / 0 to 90% up to 104°F (40°C)
non-condensing, 10 to 50% at 131°F (55°C) noncondensing.
Weight: 16 oz (454 g).
Front Panel Rating: Meets UL type 4X (IP66).
Loop Power Supply (Isolated): 24 VDC @ 50 mA,
regulated.
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 max.
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 other inputs and
outputs; 24 VDC loop power: 500 VAC to other inputs
and outputs; Process output: 500 VAC to other inputs
and outputs.
Storage Temperature: -40 to 176°F (-40 to 80°C).
Agency Approvals: UL 508.
®
protocol.
3-25/32 [95.9]
DWYER INSTRUMENTS, INC.
1
GETTING STARTED
1. Install the control as described on page 2.
2. Wire the control following the instructions on pages
3 through 5. Page 3 contains basic wiring for the
control. If using the Series MPCJR’s transmitter power
supply follow the additional directions on page
4. Wiring instructions for the 232 and 485 series
communication options is included on page 5.
3. Familiarize yourself with the front key pad functions
and read the menu structure prior to starting the
programming process. A programming chart with the
menu structure and spaces to write your programming
values is included on page 13. This chart can be a
helpful tool to save time in programming. For further
assistance programming examples are included on
page 14.
MODEL IDENTIFICATION
Model MPCJR -
Options
OPTIONS
232
RS-232 Modus
Allows remote computer to read and write all
control parameters.
485
RS-485 Modbus®-RTU Serial Communications.
Allows remote computer to read and write all
control parameters.
RV
Analog retransmission of input, 0-10 VDC.
RC
Analog retransmission of input, 0 (or 4)-20 mA.
Input Ranges
Process Input Types
The 0-20 mA DC, 4-20 mA DC, 0-10 VDC, and 2-10
VDC inputs are fully scalable from a minimum of 100
count span placed anywhere within the range of -1999
to +9999. Decimal point position is adjustable from the
zero place (9999), tenths (999.9), hundredths (99.99), or
thousandths (9.999).
INSTALLATION
Mount the instrument in a location that will not be subject
to excessive temperature, shock, or vibration (see
Specications for specic 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 ange before installing.
From the rear of the panel slide the mounting collar over
the housing. Hold the housing with one hand and using
the other hand, push the collar evenly against the panel
until the springs are compressed. The ratchets will hold
the mounting collar and housing in place.
®
-RTU Serial Communications.
Panel cut-out:
3.620 x 3.620 in,
+0.032/-0.000
(92 x 92 mm,
+0.8/-0.0)
Figure 1: Panel cut out dimensions
CAUTION
chassis is removed from the housing, you must follow
industry standard practice for control and protection
against Electro-Static Discharge (ESD). Failure to
exercise good ESD practices may cause damage to the
instrument.
It is not necessary to remove the
instrument chassis from the housing
for installation. If the instrument
2
WIRING
CURRENT
TED
-
Do not run transmitter wiring or other Class 2 wiring in
the same conduit as power leads. Use only the probe or
transmitter for which the control has been programmed.
Maintain separation between wiring of sensor, auxiliary
in or out, and other wiring. See the “Secure Menu” for
input selection.
Supply connections should be made in accordance with
the National Electrical Code per Article 300, and local
regulations. All line voltage output circuits must have a
common disconnect and be connected to the same pole
of the disconnect.
Input wiring for probe or transmitter is rated CLASS 2.
Control wiring is as shown in Figure 2 below.
OPTION RV, RC
+
VOLTAGE
ALARM 1
CONTACTS
ALARMS 2
CONTACTS
1
2
3
4
5
6
7
8
9
10
22 23
21
N.O.
COM.
N.O.
COM.
24 25
CURRENT
26
RELAY
AND SSR
N.C.
COM.
N.O.
N.C.
COM.
N.O.
323130292827
11
12
13
14
15
16
17
18
19
20
24 VDC
@ 50 MA
ISOLA
PUMP 1
OUTPUT
PUMP 2
OUTPUT
PUMP1
COM.
NOTE:
1. FOR SUPPLY CONNECTIONS
2. MAXIMUM AMBIENT TEMPERATURE
3. USE COPPER CONDUCTORS ONLY
4. TERMINALS 1-5, 10-12, AND 21-32
15 VDC
USE NO. 16 AWG OR LARGER
WIRES RATED FOR AT LEAST 75C,
OR IN ACCORDANCE WITH AN
EQUIVALENT NATIONAL STANDARD.
RATING 131F [55C]
ARE CLASS 2 'SELV'.
PUMP2
Figure 2: Wiring
LINE INPUT
100 TO 240 VAC
50 - 400 HZ. SINGLE PH
132 TO 240 VDC 5VA
MAX. OUTPUT RATINGS:
RELAY: 10A. @ 240 VAC RES.
1/4 HP @ 120 VAC
1/3 HP @ 240 VAC
ALARM: 3A. @ 240 VAC RES.
P.D. 240VA, 120/240 VAC
SW. VOLT.: 15 VDC @ 20 MA
290-3126
3
WIRING FOR TRANSMITTER INPUTS USING
USE OF A FUSE
[1/8A
IS RECOMMENDED
THE CONTROL
OR MOT
9/16 THICK
CHARACTERISTICS [TYPICAL]
INTEGRAL POWER SUPPLY
Wire power and outputs as shown on previous page.
Wiring for two-wire transmitters shown below in Figure 3.
All wiring shown in Figure 3 is Class 2.
FAST-BLOW] IN THE LOOP
For three or four wire transmitters follow the wiring
instructions provided with your transmitter.
WARNING
will result.
USE OF SNUBBERS WITH INDUCTIVE LOADS
COIL OF RELAY
OR STARTER
TO PROTECT
INPUT CIRCUITRY.
CONNECT TRANSMITTER
MINUS [-] TO TERMINAL 5
LEVEL
TRANSMITTER
Figure 3: Transmitter wiring
DO NOT wire the 24 V Power Supply
across the input of the control.
Damage to the control input circuitry
SNUBBER
SWITCHED AC
[FROM CONTROLLER]
CONNECT JUMPER BETWEEN TERMINALS 3 AND 12
CONNECT TRANSMITTER PLUS [+] TO TERMINAL 11
1-1/4
22 23
1
21
2
3
4
5
6
7
8
9
10
2827
29
7/8
SNUBBER PHYSICAL
242526
30
11
12
13
14
15
16
17
18
19
3231
20
3/8
4
A snubber is a resistance/capacitance device that is used
to reduce or eliminate high voltage spikes generated
from inductive loads. For best effect, the snubber should
be mounted as close to the coil as physically possible.
Electrical and typical physical characteristics are shown
above.
CAUTION
contact wear.
Failure to use a snubber on an
inductive load may cause erratic
operation and/or premature relay
4
WIRING FOR 485 AND 232 SERIAL COMMUNICATION
DB-25 WIRING [VIEWED FROM WIRE SIDE]
]
OPTIONS
Wire power and outputs as shown on page 3. Wiring
for options is shown in Figure 4 below. All wiring shown
below is Class 2. Shielded twisted pair is recommended
for Option 485.
WARNING
to the control circuitry will result.
DO NOT run signal wiring in the
same conduit or chase as the power
wiring. Erratic operation or damage
1
21 22 23
24
2
3
4
5
6
OPTION 485 DIP SWITCH POSITIONS*
7
HALF DUPLEX* FULL DUPLEX
8
9
10
1 2 3 4 5 6
27 28
ON
OFF
1 2 3 4 5 6
29
30 31 32
25
11
26
12
1 2 3 4 5 6 7 8 9 10 11 12 13
13
14 15 16 17 18 19 20 21 22 23 24 25
14
PIN DESCRIPTION
1 SHIELD
15
2 TRANSMIT
3 RECEIVE
16
4 RTS
5 CTS
17
RS-232 DB-9 WIRING [VIEWED FROM WIRE SIDE
18
1 2 3 4 5
19
6 7 8 9
20
DATA IN 30
DATA OUT 32
DATA GROUND 31
PIN DESCRIPTION
6 DSR
7 GROUND
8 DCD
20 DTR
DATA OUT 32
DATA IN 30
DATA GROUND 31
PIN DESCRIPTION
1 DCD
2 RECEIVE
3 TRANSMIT
4 DTR
5 GROUND
6 DSR
7 RTS
8 CTS
Terminal 29 30 31 32
Option 485
Option 232
Y (receive -)
Not used
Z (receive +)
Data out
A (transmit -)*
Data ground
B (transmit +)*
Data in
*For half-duplex operation wire only A and B. Do not connect to Y and Z.
Figure 4: Wiring for options
5
Loading...