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59
TS4000H
5.9 Command Register Details
The following sections provide a detailed description of each user Modbus command register.
5.9.1 Analog
(0x0000)
A read returns a value, which is proportional to the 0-20 mA output current. The current is
based on a 16-bit value. The scaling is 0-65535 decimal, which corresponds to 0-21.7 mA.
5.9.2 Mode
(0x0001)
A read returns the present mode of the TS4000H. A write command changes the mode to the
requested mode.
EXCEPTION:
Returns an Exception Code 03 (Illegal Data Value) if an illegal write is
requested.
Bit
8
7
6
5
4
3
2
1
Mode
Calibrate Initial
Gas
Being
Read
Remove
Gas
Apply
Gas
Alarm
Level
Warn
Level
Run
Hex
Value
0x0080 0x0040 0x0020
0x0010
0x0008 0x0004 0x0002 0x0001
Dec
Value
128 64 32 16 8 4 2 1
Access
R / W
R
R
R
R
R
R
R
Bit
16
15
14
13
12
11
10
9
Mode
Not
Used
Not
Used
Not
Used
Base
Setup
Sensor
Life
Reset
Bad
Error
OK
Error
Gas
Check
Hex
Value
0x8000 0x4000 0x2000
0x1000
0x0800 0x0400 0x0200 0x0100
Dec
Value
32768 16384 8192 4096 2048 1024 512 256
Access
R
R
R
R
R / W
R
R
R / W
Table 25: Base Unit Mode Bitmap
Содержание TS4000H
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