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THERMISTOR
PT100
(0.1K-30K)
(100-240 OHMS)
39
40
41
39
40
42
43
44
42
43
45
46
47
45
46
37
AUX 1 RELAY [ALARM]
35
33
CONTACT SHOWN IN
DE-ENERGISED STATE
38
AUX 2 RELAY [TRIP]
36
NOTE TERMINALS 11,12
34
& 54 ARE INTERNALLY
CONNECTED.
FOR SEPERATE INSTRUMENT
39
EARTHING TERMINAL 11
40
MUST BE CONNECTED TO
41
A SEPERATE EARTH FROM
42
THE CASE.
43
OTHERWISE CONNECT TO
44
THE CASE. (SEE SECTION 4.0)
45
46
47
48
49
50
51
52
53
11,12
55
56
54
13
14
15
16
L1
L2
L3
(Not always available)
N
Page 8
MPC2000D PROTECTION ONLY WIRING DIAGRAM
AUX. SUPPLY
N
CASE
2
1
GND
INTERNAL
POWER
ON
SUPPLY
LOGIC SUPPLY
ALT. AUX POWER SUPPLY
MPC2000D
CHANNEL 1
CHANNEL 2
3 RTD OR 3 THERMISTORS
CHANNEL 3
CHANNEL 4
OPTIONAL 2 RTD INPUTS
CHANNEL 5
SCREEN
(+)
RS485 SERIAL PORT
(-)
CT1
CT2
SHIELD
L1
L2
MEASUREMENT VOLTAGES
L3
N
21
22 23
24 25
Issue 2 22/4/98
FOR INDICATION PURPOSES
OVERLOAD TRIP
E/F TRIP
5
7
9
6
8
10
DIP SWITCH SETTINGS
FOR CHANNELS 1,2&3
ON [THERMISTOR]
OFF [RTD]
CT3
CT4
28
26 27
MOTOR
MPC2000D
ALTERNATIVE RESIDUAL EARTH FAULT CONNECTION
CT1
CT2
CT3
21
22 23
24 25
74
LOCAL/REMOTE [OPEN =LOCAL]
73
72
PLC/SERIAL PORT [OPEN =PLC]
71
29
AUTHORISED KEY [CLOSED =AUTHORISED]
30
70
PLC RESET [NO]
69
17
EXTERNAL FAULT 2
18
19
EXTERNAL FAULT 3
20
3
SPEED SWITCH [OPEN =HIGH]
4
31
EXTERNAL EMERGENCY STOP [NC]
32
NOTE:
RELAY SUPPLIED AS 1 AMP
OR 5 AMP AS REEQUIRED
CT4
26 27
28
SWAMPING
RESISTOR
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