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6-8-9. Operating Rate Output : TCB-PCIN4E
[Only supported by SMMS-i (4 series)]
<Electrical Rating>
220-240 VAC, 10 mA or more, 1A or less
24 VAC, 10 mA or more, 1 A or less (non-conductive load)
OUTPUT1
CN514
PJ20
OUTPUT2
OUTPUT3
TB1
1
2
5
6
4
3
C2
K1
K2
K3
1234
ON
OFF
SW16
MONITOR
Optional PCB
Locally procured
(See “NOTE”)
Header outdoor unit
Outdoor unit
interface PCB
Shield
wire
Function SW16 OUTPUT1 OUTPUT2 OUTPUT3 Operation factor (FA)
System operation
rate output
Bit 1: ON
Bit 2: OFF
off off off FA=0%
on off off
0%<FA<20%
off on off 20% FA<35%
on on off 35% FA<50%
off off on 50% FA<65%
on off on 65% FA<80%
off on on 80% FA<95%
on on on 95% FA
1
ON
OFF
2 3 4
off = Relay open
on = Relay closed
* Connect the optional P.C. board to the header outdoor unit.
C2
Connection cable 2 (CN514)
CN514
Interface-side connector (green)
MONITOR
Monitoring device
OUTPUT1
Output terminal for each function
OUTPUT2
Output terminal for each function
OUTPUT3
Output terminal for each function
PJ20
Connector on optional PCB side
TB1
Terminal block
Operation
At the output terminals, a signal is present (relay closed) or absent (relay open) in various combinations
according to the system operation factor, as shown in the diagram.
(The operation rate (FA) is the percentage ratio of the current output of the system to the maximum output (100%).)
Note 1: Output Relay (K1, K2, K3) Contact Specifications
• Output terminals (OUTPUT1, 2, 3) must satisfy the following electrical rating.
• When connecting a conductive load (e.g. relay coil) to loads K1, K2 and K3, insert a surge killer CR (for an AC
power supply) or a diode for preventing back electromotive force (for a DC power supply) on the bypass circuit.
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