8
Entek IRD 6687 Protection Monitor
6687 Monitor
Installation
This section contains information specific to installing the 6687. Refer to the manual on
6600 monitor installation for general monitor installation instructions.
Monitor Backplane
The following diagram shows the definitions for the 6687 backplane terminals.
The polarity of terminal 4 can be set with jumpers on the power supply. The voltage is set by
the choice of power supply. For more information on configuration of the power supply,
refer to the manual on 6600 monitor power supplies and backplanes.
The relay contacts on the backplane of the 6687 are:
16
41
42
43
44
48
45
46
47
18
19
24
23
20
21
22
17
32
7
35
40
36
37
38
39
34
33
10
15
11
12
13
14
9
8
27
31
29
30
28
26
25
2
6
4
5
3
1
1.
SIG IN CHAN 1
2. SIGNAL
COMMON
3.
SIG IN CHAN 2
4. TRANSDUCER
SUPPLY
5.
4-20 mA CHAN 1
6. RETURN
CHAN
1
7.
4-20 mA CHAN 2
8. RETURN
CHAN
2
9. NOT
USED
10. REMOTE
RESET
11. START UP INHIBIT
12. RESERVED
13. NOT
USED
14. NOT
USED
15. NOT
USED
16. FIRST OUT ALERT
17. FIRST OUT DANGER
18. MON SER I/O RX+
19. MON SER I/O RX-
20. MON SER I/O TX+
21. MON SER I/O TX-
22. +24V DC POWER A
23. +24V DC POWER B
24. 24V RETURN
POWER CONVENTION
PIN 1 LINE
PIN 2 NEUTRAL
PIN 3 EARTH
9 PIN D CONNECTOR
PIN 1 NOT USED
PIN 2 NOT USED
PIN 3 NOT USED
PIN 4 MON SER I/O TX+
PIN 5 MON SER I/O TX-
PIN 6 NOT USED
PIN 7 NOT USED
PIN 8 MON SER I/O RX+
PIN 9 MON SER I/O RX-
BACKPLANE DIAGRAM FOR A 6687 MONITOR
EARTH
NEUTRAL
LINE
1
5
9
6
25. RLY1 N/C - SYSTEM OK
26. RLY1 COMM
27. RLY1 N/O
28. RLY2 N/C - CHAN 1 ALERT
29. RLY2 COMM
30. RLY2 N/O
31. RLY3 N/C - CHAN 1 DANGER
32. RLY3 COMM
33. RLY3 N/O
34. RLY4 N/C - CHAN 1 DANGER
35. RLY4 COMM
36. RLY4 N/O
37. RLY5 N/C - CHAN 2 ALERT
38. RLY5 COMM
39. RLY5 N/O
40. RLY6 N/C - CHAN 2 DANGER
41. RLY6 COMM
42. RLY6 N/O
43. RLY7 N/C - CHAN 2 DANGER
44. RLY7 COMM
45. RLY7 N/O
46. DIGITAL
COMM
47. NOT
USED
48. NOT
USED
Function
Relay
Function
Relays
Function
Relays
System OK
1
Chan 1 Alert
2
Chan 2 Alert
5
Chan 1 Danger
3 and 4
Chan 2 Danger
6 and 7
