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| Time Duplex with a Dual Relay Board |
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| Out Relay#2 |
| 19 | Cool Relay Load | Load | |
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| N.O. |
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| L1 Out Relay#1 | N.O.20 | Heat Relay Load | Supply | ||
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| L2/N |
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| 21 | Power | |
Load |
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| 4 | N.C. Alarm | 22 | 1 |
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| Relay Load | 5 | 23 |
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| N.O. Relay#2 |
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Supply |
| To terminal |
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Power |
| 6 |
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| 24 |
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| 2 | 4 or 6 |
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| 25 |
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| 7 |
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Load |
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| N.C. Alarm |
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| Relay Load | 8 | 26 |
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Supply |
| N.O. Relay#1 |
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| To terminal |
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Power |
| 9 |
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| 27 |
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2 | 7 or 9 |
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1Dual Electromechanical relays are rated at 2 Amps @120 Vac or 240 Vac or 30 Vdc. Customer should size fuses accordingly. Use Fast Blo fuses only.
2Electromechanical relays are rated at 5 Amps @120 Vac or 240 Vac or 30 Vdc. Customer should size fuses accordingly. Use Fast Blo fuses only.
Figure 2-11 Dual Electromechanical Relay Option Output
See Table
Load
Supply
Power
2
Load
Supply
Power
2
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| 19 | + |
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| L1 |
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| 20 | Current Output |
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| 21 | |
| L2/N |
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| 4 |
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| 22 | |
Relay Load | N.C. Alarm |
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5 | 23 |
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N.O. Relay#2 |
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To terminal |
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6 |
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| 24 |
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4 or 6 |
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Relay Load | 7 | N.C. Alarm | 25 |
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8 | N.O. | Relay#1 | 26 |
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| 1 |
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To terminal | 9 |
| 27 |
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7 or 9 |
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Controller Load
0-1000 ohms
1When the instrument has the Current Output as shown, no Alarms are available when using the Time Proportional Duplex or Three Position Step Control Output Algorithms, as these outputs require both available relays.
2Electromechanical relays are rated at 5 Amps @120 Vac or 240 Vac or 30 Vdc Customer should size fuses accordingly. Use Fast Blo fuses only.
Figure 2-12 Current Output
See Table
04/08 | UDC3200 Universal Digital Controller Operator Manual | 19 |