Mercoid MPCJR Series Specifications-Installation And Operating Instructions

TABLE OF CONTENTS

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Model Identification . . . . . . . . . . . . . . . . . . . . . . . . . .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
DWYER INSTRUMENTS, INC.
Series MPCJR Pump Controller
Specifications - Installation and Operating Instructions
3-19/32
[91.3]
4-1/2 [114.3]
17/32 [13.5]

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 significant 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 protocol.
®
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) non-
condensing.
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.
1
Bulletin L-21
3-25/32 [95.9]
3-25/32
[95.9]
MAX. PANEL THICKNESS 0.25 [6.35]