IGM MRBP.424321.001UM, Руководство пользователя, Страница: 31 / 33

31
MRBP.424321.001UM Version 1.0 27/01/2020
708
Channel 1. Current
loop connection,
measurement units,
accuracy, gas type.
bits 0..1. Current loop connection:
0x00
– disconnected;
0x01 – active or passive CL, 1 wire;
0x02 – passive CL, 2 wires;
0x03 – passive CL, 2 wires.
bits 2..5. Measurement units
1
:
0x00 - %LFL;
0x01 - %vol;
0x02
– ppm;
0x03 - mg/m
3
.
bits 6..7. Accuracy
1
(decimal places):
0x00 – 0 places;
0x01 – 1 place;
0x02 – 2 places;
0x03 – 3 places.
bits 8..15. gas type
2
(table 2): 0 - 63.
1
- writing (W) for custom gas only;
2
– when changing the gas type, the channel configura-
tion parameters will be set to default (according to Ap-
pendix C
“ Control unit EMI-SSD-1M tuning guide
MRBP.424321.001I 2”):
Measurement units, Concen-
tration minimal value, Concentration maximal value,
Blanking zone, Threshold 1, Threshold 2, Threshold 1
hysteresis, Threshold 2 hysteresis, Threshold 2 reset.
R/W
709
Channel 1. Minimal
value * 10^accuracy
(register 708 bits 6..7)
0-65535*
* Limitations.
Minimal value can’t be :
- more than or equal to maximal value;
- more than or equal to threshold 1 value;
- more than or equal to threshold 2 value. R/W
710
Channel 1. Maximal
value * 10^accuracy
(register 708 bits 6..7)
0-65535*
* Limitations.
Maximal value can’t be :
- more than or equal to minimal value;
- less than or equal to blanking zone;
- less than or equal to threshold 1 value;
- less than or equal to threshold 2 value.
R/W
711
Channel 1. Blanking
zone * 10^accuracy
(register 708 bits 6..7)
0-65535*
* Limitations.
Blanking zone value can’t be :
- more than or equal to maximal value;
- more than or equal to threshold 1 value;
- more than or equal to threshold 2 value; R/W
712
Channel 1. Threshold 1
value * 10^accuracy
(register 708 bits 6..7)
0-65535*
* Limitations.
Threshold 1 value can’t be :
- less than or equal to minimal value;
- more than or equal to maximal value;
- less than or equal to blanking zone value.
- more than or equal to threshold 2 value;
- less than or equal to hysteresis value (for threshold 1);
R/W
713
Channel 1. Hysteresis
threshold 1 value*
10^accuracy (register
708 bits 6..7) 0-65535*
* Limitations:
-
hysteresis value can’t be more than or equal to
threshold 1 value;
R/W