Carel EVD Evolution Twin - 8.5 Variables accessible via serial connection - driver B

ENG
“EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019
49
8.5 Variables accessible via serial
connection – driver B
Description Default Min Max Type CAREL SVP Modbus® R/W
Valve opening 0 0 100 A 66 65 R
Control set point 0 -60 (-870) 200 (2900) A 67 66 R
Superheat 0 -40 (-72) 180 (324) A 68 67 R
Suction temperature 0 -85 (-121) 200 (392) A 69 68 R
Evaporation temperature 0 -85 (-121) 200 (392) A 70 69 R
Evaporation pressure 0 -20 (-290) 200 (2900) A 71 70 R
EPR pressure (back pressure) 0 -20 (-290) 200 (2900) A 72 71 R
Hot gas bypass pressure 0 -20 (-290) 200 (2900) A 73 72 R
Hot gas bypass temperature 0 -85 (-121) 200 (392) A 74 73 R
CO
2
gas cooler outlet temperature
0 -85 (-121) 200 (392) A 75 74 R
CO
2
gas cooler outlet pressure
0 -20 (-290) 200 (2900) A 76 75 R
CO
2
gas cooler pressure set point
0 -20 (-290) 200 (2900) A 77 76 R
4 to 20 mA input value (S3) 4 4 20 A 78 77 R
MOP: suction temperature threshold (S4) 30 -85 (-121) 200 (392) A 103 102 R/W
Liquid regulation evaporator/ condenser level percentage
0 0 100 A 117 116 R
Valve position 0 0 9999 I 49 176 R
Current unit cooling capacity 0 0 100 I 50 177 R/W
EVD status 0 0 20 I 51 178 R
Protector status 0 0 5 I 52 179 R
Control mode 1 1 26 I 73 200 R/W
Adaptive control status 0 0 6 I 77 204 R
Last tuning result 0 0 8 I 78 205 R
Extended measured probe S3 (*) 0 -2000 (-2901) 20000 (29007) I 84 211 R
Start control delay 6 0 18000 I 87 214 R/W
Emergency closing speed valve 150 1 2000 I 86 215 R/W
Valve opening position % in standby 0 0 100 I 92 219 R/W
ALARMS
LowSH (low superheat) 0 0 1 D 26 25 R
LOP (low evaporation temperature) 0 0 1 D 27 26 R
MOP (high evaporation temperature) 0 0 1 D 28 27 R
Low suction temperature 0 0 1 D 29 28 R
EEV motor error 0 0 1 D 30 29 R
Status of relay 0 0 1 D 31 30 R
ALARMS
Adaptive control ineective 0 0 1 D 42 41 R
Value backup digital input 0 0 1 D 48 47 R/W
LowSH protection status
0 0 1 D 54 53 R
LOP protection status
0 0 1 D 55 54 R
MOP protection status
0 0 1 D 56 55 R
Direct relay control 0 0 1 D 61 60 R/W
Tab. 8.d
(*) The displayed variable is to be divided by 100, and allows us to appreciate
the hundredth of a bar (psig).
Type of variable: A= analogue; D= digital; I= integer
SVP= variable address with CAREL protocol on 485 serial card.
Modbus®: variable address with Modbus® protocol on 485 serial card.