Yokogawa IR200 - Manual (Page 27)

3 - 14
IM 11G02M01-01E
(9) Timing of calibration contact output
1. Manual calibration (See “6.9 Calibration”).
Pump ON/OFF contact
• Zero calibration
Zero calibration contact
Output signal hold
Hold extension time
Calibration end
Output hold function
(with hold ON setting)
CH1 to CH4 span calibration
contact
on
off
on
off
off
Pump ON/OFF contact
• Span calibration
Zero calibration contact
Output signal hold
Hold extension time
Note)
Calibration end
Span 1 calibration contact
Span 2 calibration contact
Output hold function
(with hold ON setting)
off
off
off
on
on
off
The hold extension time
depends on the gas
flow time of the
automatic calibration
settings.
SPAN
ZERO ENT ENT
ENT ENT
When selecting
and keys.
CH2 using
2. In case of automatic calibration (example shown in 6.4.1, Automatic calibration settings)
Automatic
calibration
start
Zero
calibration
CH2 span gas
350s
CH1
span
calibration
CH2
span
calibration
CH3 span calibration
(automatic calibration end)
Pump ON/OFF contact
Zero calibration contact
CH1 span calibration contact
CH2 span calibration contact
CH3 span calibration contact
Automatic calibration contact
Output hold function
CH3 span gas
350s
Zero gas
350s
CH1 span gas
350s
Hold extension time
Output signal hold (With hold ON setting)