SMC Networks THERMO-CON HEC001 Series, Руководство по связи, Страница: 17 / 25

Details of Communication Format
HEC 4-3
4-4 Reading external sensor
As the minimum unit is 0.01 deg.C, the value in the hundredths place can be read.
Host
→
ENQ 33H Check sum CR
(
Ｈ
) (
Ｌ
)
←
Thermo-con
STX 33H External sensor ETX Check sum CR
10
1
10
0
10
-1
10
-2
(
Ｈ
) (
Ｌ
)
Host
→
ACK CR (Possible to omit)
Note
）
2DH is entered in 10 1
digit “-“ is attached to temperature data.
<Specifying unit>
Host
→
SOH UT ENQ 33H Check sum CR
(
Ｈ
) (
Ｌ
)
←
Thermo-con
SOH UT STX 33H External sensor ETX Check sum CR
10 1 10 0 10 -1 10 -2 (
Ｈ
) (
Ｌ
)
Host
→
ACK UT CR (Possible to omit)
Note
）
2DH is entered in 10 1
digit “-“ is attached to temperature data.
4-5 Reading alarm status
Host
→
ENQ 34H Check sum CR
(
Ｈ
) (
Ｌ
)
←
Thermo-con
STX 34H Data ETX Check sum CR
D1 D2 D3 (
Ｈ
) (
Ｌ
)
Host
→
ACK CR (Possible to omit)