一.Compared with Yokogawa ADV551and ADV561
The Digital Output Modules output 32-channel or 64-channel transistor contact signals. The ADV551 and ADV561 can be used in dual redundant configuration.
Item | Specifications | |
Model | ADV551 | ADV561 |
Number of output channels | 32 | 64 |
Rated applied voltage | 24 V DC | 24 V DC |
External power supply rating | 24 V DC, 50 mA | 24 V DC, 100 mA |
External power supply voltage range | 20.4 to 26.4 V DC | 20.4 to 26.4 V DC |
Output ON voltage maximum value | 2 V DC | 2 V DC |
Leak current maximum value when output OFF | 0.1 mA | 0.1 mA |
Output format | Current sink | Current sink |
Maximum load current | 100 mA/channel, 26.4 V | 100 mA/channel, 26.4 V |
Withstanding voltage | Between output signal and system: 2 kV AC, For 1 minute Between commons: 500 V AC, For 1 minute, common minus side every 16-channel. |
Item | Specifications | |
Model | ADV551 | ADV561 |
Functions Status output Pulse width output Time-proportioning output | ON/OFF status output function One-shot pulse width output function Time-proportioning ON/OFF | ON/OFF status output function One-shot pulse width output function Time-proportioning ON/OFF |
Output response time | 3 ms or less (for status output) 10 ms or less (for mixed status and pulse outputs) | |
Pulse width | 8 ms to 7200 s | |
Pulse width resolution | 8 ms, but ON/OFF delay of maximum 1 ms is added | |
Maximum current consumption | 700 mA (5 V DC) 60 mA (external power supply) | 700 mA (5 V DC) 120 mA (external power supply) |
External connection | Pressure clamp terminal, Dedicated cable (AKB331), MIL connector cable | Dedicated cable (AKB337), MIL connector cable |

