User manual for RTD,TC,mV/4-20mA converter module SPT-86L
Register Write
Range
Register description
12h
Yes
0 ÷ 5
Parameter ”
InputFilter
” - measurement filtering rate:
0
- no filtration
1
- time constant ca. 0.2 sec.
2
- time constant ca. 0.4 sec.
3
- time constant ca. 0.8 sec.
4
- time constant ca. 1.5 sec.
5
- time constant ca. 3 sec.
13h
Yes
0 ÷ 3
Parameter ”
InputPoint
” - decimal point position:
0
- ”
0
”;
1
- ”
0.0
”;
2
- ”
0.00
”;
3
- ”
0.000
”
14h
Yes
-999 ÷ 9999 Parameter ”
InputLow
” (no decimal point included).
15h
Yes
-999 ÷ 9999 Parameter ”
InputHigh
” (no decimal point included).
17h
Yes
0 ÷ 199
Parameter ”
InputHiRange
”, expressed in 0.1%.
18h
Yes
-99 ÷ 99
Parameter ”
TempOffset
” - shift of measurement scale. Expressed
in 0.1
°C for RTD input, in 1.0°C for TC input.
19h
Yes
0 ÷ 2
Parameter ”
InputConn
” - RTD input connection method:
0
- 4-wire;
1
- 3-wire;
2
- 2-wire
”Modbus” group of registers
20h
1
Yes
0 ÷ 199
Parameter ”
ModbusAddr
” - device address.
21h
No
205Bh
Device identification code (ID)
22h
2
Yes
0 ÷ 7
Parameter ”
ModbusBaud
” - baud rate:
0
- 1200 bit/sec.;
1
- 2400 bit/sec.;
2
- 4800 bit/sec.;
3
- 9600 bit/sec.;
4
- 19200 bit/sec.;
5
- 38400 bit/sec.;
6
- 57600 bit/sec.;
7
- 115200 bit/sec.
23h
3
Yes
0 ÷ 1
Parameter ”
ModbusAccess
” - permission to write registers via
RS-485 interface:
0
- write denied;
1
- write allowed
25h
Yes
0 ÷ 5
Parameter ”
ModbusDelay
” - additional response delay:
0
- no additional delay;
1
- delay equal to 10 characters;
2
- delay equal to 20 characters;
3
- delay equal to 50 characters;
4
- delay equal to 100 characters;
5
- delay equal to 200 characters;
27h
Yes
0 ÷ 99
Parameter ”
ModbusTimeout
” - maximum delay between received
frames:
0
- no delay checking;
1
÷
99
- maximum delay expressed in seconds
”Hold” group of registers
50h
Yes
0 ÷ 1
Parameter ”
HoldMode
” - type of detected changes:
0
- peaks;
1
- drops
51h
Yes
0 ÷ 9999
Parameter ”
HoldPeak
” - minimum detectable change; no decimal
point included
19
