Emerson Affinity User Manual

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Information
92 Affinity User Guide
www.controltechniques.com Issue Number: 5
4.14 Building automation network
connections
Figure 4-39 Multi-drop connection
4.15 Heatsink fan supply connections
(size 4 to 6)
4.15.1 Heatsink fan supply connections (size 6 only)
41
Relay contacts
42
Default function Drive OK indicator
Contact voltage rating 240Vac, Installation over-voltage category II
Contact maximum current rating
2A AC 240V
4A DC 30V resistive load
0.5A DC 30V inductive load (L/R = 40ms)
Contact minimum recommended
rating
12V 100mA
Contact type Normally open
Default contact condition Closed when power applied and drive OK
Update period 4ms
A fuse or other over-current protection should be installed to
the relay circuit.
35 Previous node A(+)
36 Previous node B (-)
37 Isolated ground
38 Next node A(+)
39 Next node B(-)
Cable specification
Shielded twisted pair
Characteristic impedance: 100 to 130
Ω
Capacitance between conductors: <100 pF
Maximum length: 1200m with AWG 18
cable
Termination resistor
120
Ω
52
Heatsink fan connections (pre-wired)
53
54
55
No user connections
60
No connection
61
62
63
No user connections
WARNING
39
38
37
36
35
B-
A+
B-
Previous node
Next node
(Fit 120 resistor if
end of network)
Ω
Isolated ground
A+
64 0V
65 24V heatsink fan supply
Function
To provide the power supply to the
heatsink mounted fan
Nominal voltage 24Vdc
Minimum continuous operating voltage 23.5V
Maximum continuous operating voltage 27V
Current consumption 3.3A
Recommended power supply 24V, 100W, 4.5A
Recommended fuse
4A fast blow (I
2
t less than 20A
2
s)

Emerson Affinity Specifications

General

Brand	Emerson
Model	Affinity
Category	Controller
Language	English