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MiniLink PD 5 Technical Guide
12
APPENDIX B - MODULAR WIRING
MiniLink PD 5 Modular Wiring
Figure 8: MiniLink PD 5 Modular Wiring
GND
18-30
V
AC
CAUTION:
Disconnect All Communication Loop Wiring
From The MiniLink Before Removing Power
From The Controller. Reconnect Power And
Then Reconnect Communication Loop Wiring.
24 VAC Transformer
Size For 6 VA Max. Load
Some Installers Like To Use One Large 24 VAC Transformer
To Power Several Devices. This Is Allowable As Long As
Polarity Is Maintained To Each Device On The Transformer
Circuit.
Using Separate Transformers Also Allows Redundancy In
Case Of A Transformer Failure. Instead Of Having 8 Devices
Inoperative Because Of A Malfunctioning Transformer, You
Have Only 1 Device Off Line.
WARNING: If Polarity Is Not Maintained, Severe Damage
To The Devices May Result. AAON Recommends
Using A Separate Transformer For Each Device In Order
To Eliminate The Potential For Damaging Devices Due To
Incorrect Polarity.
CAUTION:
Disconnect All Communication Loop Wiring
From The MiniLink Before Removing Power
From The Controller. Reconnect Power And
Then Reconnect Communication Loop Wiring.
MINILINK PD 5
P
D
DR
V
LOOP
DR
V
NET DRV
PIC32 MLPD
YS102398 REV 3
NETWORK
LOCAL
PD COMM
POWER
COMM
ML
PD
MADE IN USA
SERIA
L
#
C22
C23
C30
C37
C40
J1
J3
R1
R2
R3
R4
R20
R21
R
2
2
R23
R24
R
2
5
R26
R27
R31
PDSTAT1
PDSTAT2
TB1
TB2
U8
U10
U
1
2
D4
J6
J7
J8
R43
R44
R46
C
3
3
T
SH
R
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
.1
u
F
.1uF
.1uF
.1uF
1
0
0
2
1
0
0
2
T
SH
R
C24
COMM
1
2
4
8
16
32
SW2
OFF
LOOP
NET
ON FOR
HI SPD
ADDRESS
Connect Local Loop Comm
Cable To Power/Comm
Board (If Used).
On Multiple Loop Systems, Connect
Modular Cable To Next MiniLink’s
Network Comm Connector.
Содержание Orion Control Systems ASM01626
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