9. TEMPERATURE INPUT MODULE CONNECTIONS B-61813E/03
2) Timing data
DO16 : NC READY
When the power is switched on, this bit is set to "1" to
cause the module setting data to be set in the
The NC READY bit is enabled only once after the
power is switched on. To rewrite the module setting
data, switch the power off and then on again.
DO22 : READ request
This bit serves as the timing signal used in 4-channel
manual measurement mode. Setting the bit to "1"
issues a request for temperature data. When the input
signal data READY signal becomes "1", read the
This bit need not be set for 2-channel mode.
After setting the NC READY bit to "1", wait for one
second, and then set the READ request to "1".
DO26 : Channel select
This bit is used to specify channel switching for 4-
channel manual measurement mode.
0: Channels 1 and 2
1: Channels 3 and 4
See Section 9.5, "Timing Charts," for concrete
explanations about how to handle the timing data.
9.3.4 Details of input signals (temperature module →
1) Status signals and CH1 temperature data, CH3 temperature data,
or abnormality data
DI07 DI06 DI05 DI04 DI03 DI02 DI01 DI00
DI15 DI14 DI13 DI12 DI11 DI10 DI09 DI08
1 s or longer