Electrical Installation
15
Figure 4: Connection diagram powered via Trannsmitter
Figure 5: Connection diagram powered via Reciever
1
1
1
2
2
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3
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4
5
5
6
6
7
7
S
S
E
E
1
2
2
3
3
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5
5
6
6
7
7
S
S
E
E
+24V dc
Common
Digital
(see note 5)
0-20mA
To
Control
Equipment
Receiver
terminal box
connections
Transmitter
terminal box
connections
cable
screen
cable
screen
cable
screen
Link Cable
to Transmitter
Link Cable
to Receiver
+24Vdc
+24Vdc
0-20mA
0-20mA
Digital
Digital
Common
Common
Blanking
Plug
supplied
NOTES:
1) Glands to be EEx e type e.g. Hawke 501/453/UNIV/...
2) Entry points for Link Cable and Control Equipment may be
interchanged provided that the correct connections are maintained.
3) The Transmitter and Receiver assemblies must be securely earthed.
4) It is essential for correct operation that the Digital and Common lines of the Tx and Rx
are interconnected even when they are not connected to external equipment.
5) This core may be omitted if the AI500 Digital Interface is not required.
To
Receiver
head unit
EEx e gland
supplied fitted
To
Transmitter
head unit
CAUTION
This diagram must be followed to ensure correct operation,
whether the installation is in a hazardous area or not.
For safe operation in a hazardous area you must also refer to
the certification documents and comply with all local regulations.
00523892.eps
+24V dc
Common
Digital (see note 5)
0-20mA
To
Control
Equipment
Receiver
terminal box
connections
Transmitter
terminal box
connections
cable
screen
cable
screen
+24Vdc
+24Vdc
unused (see note 5)
unused (see note 5)
Digital
Digital
Common
Common
Blanking
Plug
supplied
NOTES:
1) Glands to be EEx e type e.g. Hawke 501/453/UNIV/...
2) Entry points for Link Cable and Control Equipment may be
interchanged provided that the correct connections are maintained.
3) The Transmitter and Receiver assemblies must be securely earthed.
4) It is essential for correct operation that the Digital and Common lines of the Tx and Rx
are interconnected even when they are not connected to external equipment.
5) This core may be omitted if the AI500 Digital Interface is not required.
1
1
2
2
3
3
4
4
5
5
6
6
7
7
S
S
E
E
1
1
2
2
3
3
4
4
5
5
6
6
7
7
S
S
E
E
screen
LINK CABLE
To
Receiver
head unit
EEx e gland
supplied fitted
To
Transmitter
head unit
CAUTION
This diagram must be followed to ensure correct operation,
whether the installation is in a hazardous area or not.
For safe operation in a hazardous area you must also refer to
the certification documents and comply with all local regulations.
00623892.eps
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