Yokogawa DR240 - Manual (Page 246)

14-19 IM DR231-01E
Specifications
14
Chart-end Output using DI/DO (when equipped with /R1)
Function
The output relay for chart-end becomes enerigized when the recorder runs out of chart paper.
Contact mode
Transfer contact : normal open/common/normal close type
Energize/de-energize
not switchable
Contact rating
250V DC/0.1A (resistive load)
250V AC/2A (resistive load)
30V DC/2A (resistive load)
Dielectric Strength
Between the output terminal and ground: 2300V AC (50/60Hz) for one minute.
Remote control of recorder functions using DI/DO (when equipped with /R1)
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.
Input signal
No voltage contact, open-collector driven by a TTL or transistor
Rated voltage:0 to 5 V DC (input impedance:4.7k
Ω, 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)
Dielectric strength
Between the output terminal and ground : 1500V AC (50/60Hz) for one minute.
14.2 Specifications of Optional Functions