Yokogawa DR240 Manual de usuario Pagina 273

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 293
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 272
14-28
IM DR232-01E
DI: Remote control of recorder functions
Function
The following functions can be controlled by contact input:
- alarm acknowledge;
- alarm reset;
- timer reset;
- starting/stopping recording;
- manual printout;
- digital printout;
- message printout;
- message display;
- changing chart speed/recording interval;
- group trend recording;
- Starting/stopping/clearing/resetting computation;
- Saving/reading measured/computed data, reading set-up data.
Input signal
No voltage contact, open-collector driven by a TTL or transistor
Rated voltage:0 to 5 V DC (input impedance:4.7k, 5 V DC pull up)
Maximum input voltage (allowable range)
2 to 7 V DC
Input conditions
ON voltage:0.5V max. (30mA DC)
Leakage current at OFF state:0.25mA max.
Duration of input signal
one second or longer (input signal detection internal:approx. 0.5 seconds)
14.9 DI/DO Module
Vista de pagina 272
1 2 ... 268 269 270 271 272 273 274 275 276 277 278 ... 292 293

Comentarios a estos manuales

Sin comentarios