SECTION 7
Relay Interface Option Board
The relay interface board is available as an option for the Model 2002. Additionally, relays may be added to either the Digital option Board
7.1 Relay Board Specifications
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| Each relay board consists of | 2 Form C (SPDT) relays with the contacts wired in parallel. | |||||||||||||
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| Max. switching power |
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| 120W, 250VA | ||||||||||
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| (2A @ 125VAC, 1A @ 250VAC) | ||||||||
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| Max. switching voltage |
| 220VDC, 250VAC | ||||||||||||
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| Max. switching current |
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| 4A DC, AC | |||||||||
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| Max . carrying current |
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| 6A DC, AC | |||||||||
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| UL/CSA rating |
| 1.2A @ 125VAC | ||||||||||||
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| 1.2A @ 110VDC | |||||||
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| 4.0A @ 30VDC | |||||||
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| Connector for Digital or Analog option, |
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| or dummy connector if no option | HIGH SETPOINT | ||||||||
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| is installed | RELAY CONNECTOR | ||||||||
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| 3 | 2 | 1 |
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| COMMON | |
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| NC |
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| NO |
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| LOW SETPOINT |
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RELAY CONNECTOR |
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| 3 | 2 | 1 |
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| COMMON |
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| NC |
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| NO |
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| Figure 7.1 |
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Model 2002 page 35