P&B MPC2000D Manual page 10

MAIN CONTACTOR
CONTROL
VOLTAGE
THERMISTOR PT100
[100-2400]
[0.1K-30K]
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
& 54 ARE INTERNALLY
34
CONNECTED.
FOR SEPERATE INSTRUMENT
EARTHING TERMINAL 11
39
MUST BE CONNECTED TO
40
A SEPERATE EARTH FROM
41
THE CASE.
42
OTHERWISE CONNECT TO
43
THE CASE. (SEE SECTION 4.0)
44
45
46
47
48
49
50
51
52
53
11,12
55
56
54
13 L1
14 L2
15 L3
16 N
L1
L2
L3
(Not always available)
N
MPC2000D
STOP B STOP B
STOP A STOP A
CONTACTOR A
AUX. SUPPLY
N
CASE 2 1 5 7
GND
INTERNAL
POWER
ON
SUPPLY
LOGIC SUPPLY
ALT. AUX POWER SUPPLY
MPC2000D
CHANNEL 1
CHANNEL 2 3 RTD OR 3 THERMISTORS
CHANNEL 3
DIP SWITCH SETTINGS
CHANNEL 4
FOR CHANNELS 1,2&3
OPTIONAL 2 RTD INPUTS
CHANNEL 5
SCREEN
(+) RS485 SERIAL PORT
CT2
CT1 CT3
(-)
SHIELD
MEASURMENT
VOLTAGES
21 22 23 24 25
Issue 2 22/4/98
MPC2000D WIRING DIAGRAM
DIP SWITCH 1
ON = TEST FACILITY AVAILABLE
OFF = EXTERNAL FAULT 3
CONTACTOR B
9 6 8 10 17 18 19 20
ON [THERMISTOR]
OFF [RTD]
CT4
26 27 28
31
32
MOTOR
Page 7
ALTERNATIVE RESIDUAL FAULT CONNECTION
CT1 CT2
21 22 23 24 25
EXTERNAL FAULT 2
EXTERNAL FAULT 3
OR SYSTEM TEST
[SET BY DIP SWITCH 1]
64
STOP [NC]
63
68
START CONTACTOR A [NO]
67
66
65
START CONTACTOR B [NO]
58
PLANT INTERLOCK [OPEN=LOCKED OUT]
57
74
73 LOCAL/REMOTE [OPEN=LOCAL]
72
PLC/SERIAL PORT [OPEN=PLC]
71
29
AUTHORISED KEY [CLOSED=AUTHORISED]
30
70
PLC RESET [NO]
69
62
PLC CONTROL A [OPEN=STOP]
61
60
PLC CONTROL B [OPEN=STOP]
59
3
SPEED SWITCH [OPEN=HIGH]
4
83
82 84
CONTACTOR A STATUS
81
79
78 80
CONTACTOR B STATUS
77
76
NOTE:
75
ISOLATOR
RELAY SUPPLIED AS 1 AMP OR
5 AMP AS REQUIRED
EXTERNAL EMERGENCY STOP [NC]
CT3 CT4
26 27 28
SWAMPING
RESISTOR