MEC 2 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER
PM056 Rev 6 05/10/15
Thomson Technology
81
13. CONNECTION
DIAGRAM
G:\ENGINEER\PRODUCTS\MEC2MEC2_04.VSD REV 4 02/01/24
1
2
3
4
17
16
15
14
13
38
37
GRD
CR
MP2
MP1
19
18
24
23
B –
B +
GRD
+
–
12/24Vdc
BATTERY
CRANK PILOT RELAY
RUN CIRCUIT
SPEED SENSING
MAGNETIC PICKUP
OIL PRESSURE SENDER
ENGINE TEMPERATURE
SENDER
REMOTE EMERGENCY STOP
(CLOSE TO INITIATE)
REMOTE FAULT RESET
(CLOSE TO INITIATE)
REMOTE START
CONTACT
DIGITAL FAULT INPUT
CONTACTS #1 TO #4
CRANK
RUN
1
1
28
29
30
1
PROGRAMMABLE
CONTACT #1
IN
IC
IB
IA
VN
VC
VB
VA
VC
VB
VA
1A
1A
1A
N
GRD
GENERATOR OUTPUT
CURRENT SENSING
TRANSFORMERS
5 Aac SECONDARY
(DELETE PHASE C
FOR SINGLE PHASE
SYSTEM S)
Ø A
Ø B
ØC
10A
GENERATOR
OUTPUT VOLTAGE
120Vac TO 600Vac
3 PHASE OR SINGLE
PHASE
(DELETE PHASE VC
FOR SINGLE PHASE
SYSTEM S)
5
M EC 2
RUN CIRCUIT
(FUEL SOL., GOV.)
6
6
6
6
6
3
6
GRD
7
4
N O TES:
CONTACTS RATED MAXIMUM 10A, 240Vac, 8A, 24Vdc RESISTIVE
SENDER INPUTS MAY BE PROGRAMMED FOR ALARM AND/OR SHUTDOW N CONDITIONS OF LOW
OIL PRESSURE OR HIGH ENGINE TEMPERATURE
LOGIC IS SOFTW ARE PROGRAMMABLE FOR OPEN OR CLOSE ON FAIL
GENERATOR SUPPLY MUST UTILIZE A SOLIDLY GROUNDED NEUTRAL SYSTEM – REFER TO
INSTRUCTION MANUAL FOR ALTERNATE CONNECTIONS
NEUTRAL CONNECTION IS REQUIRED FOR DISPLAY ON PHASE TO NEUTRAL VOLTAGES
ENGINE MOUNTED COMPONENTS
"GRD" CONNECTION TO BE MADE TO COMMON CHASSIS/ENCLOSURE GROUND BOND SYSTEM
1
2
3
4
5
6
7
PROGRAMMABLE
CONTACT #2
PROGRAMMABLE
CONTACT #3
PROGRAMMABLE
CONTACT #4
33
36
20
35
21
32
31
34
22
1
1
1
2
2
Summary of Contents for MEC 2
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