Hitachi PSC-A1T Technical Catalogue

7 Gateways for building management systems
HARC-BX E
TCGB0106 rev.0 - 12/2014
684684
SVNT
number
Unit
number
Variable name Type
LONMARK
SNVT No.
Description Condition Note
20 1 nvoOnOff_1 SNVT_state 83
ON/OFF state and
alarm notication
32 bits:
bit 0: 0 (STOP)/1 (RUN)
bit 1: 0 (Normal) /1 (Alarm)
Approxi-
mate up-
date time of
80 sec.
21 1 nvoMode_1
SNVT_
hvac_mode
108
Operation mode set-
ting
1 byte:
1 = HVAC_HEAT (Heating)
3 = HVAC_COOL (Cooling)
5 = HVAC_PRE_COOL
(Dehumidication)
9 = HVAC_FAN_ONLY
(Ventilation)
22 1
nvoSet-
Point_1
SNVT_
temp_p
105
Temperature reading
setting
2 Bytes: 1700 ~ 3000 = 17
~ 30 ºC
23 1
nvo-
FanSpeed_1
SNVT_
switch
95 Fan speed setting
Byte 1: Value 1: Low,
Value 2: Middle,
Value 3: High
Byte 2: State 0 (Fixed)
24 1 nvoLouver_1
SNVT_
switch
95 Louver setting
Byte 1: Value 0: 20, 1: 25, 2:
30, 3: 35, 4:
45, 5: 55, 6:
70, 7: Auto
Byte 2: State 0 (Fixed)
25 1
nvoAlarmDe-
scr_1
SNVT_str_
asc
36 Alarm description
31 Bytes: First 2 byte alarm
description.
3rd byte 0.
26 1
nvoIn-
letTemp_1
SNVT_
temp_p
105
Indoor temperature
reading
2 Bytes: -6200 ~ 12700 =
-62 ~ 127 ºC
27 1
nvoOut-
letTemp_1
SNVT_
temp_p
105
Outdoor temperature
reading
2 Bytes: -6200 ~ 12700 =
-62 ~ 127 ºC
28 2 nviOnOff_2
SNVT_
switch
95 On/Off order
Byte 1: Value 0 (Fixed)
Byte 2: State 0 = STOP
State 1 = RUN
Allow an in-
terval of at
least 5 sec.
between 2
consecutive
orders to
any unit on
a H-Link
29 2 nviMode_2
SNVT_
hvac_mode
108
Operation mode set-
ting
1 byte:
1 = HVAC_HEAT (Heating)
3 = HVAC_COOL (Cooling)
5 = HVAC_PRE_COOL
(Dehumidication)
9 = HVAC_FAN_ONLY
(Ventilation)
30 2
nviSet-
Point_2
SNVT_
temp_p
105 Temperature setting
2 Bytes: 1700 ~ 3000 = 17
~ 30 ºC
31 2
nvi-
FanSpeed_2
SNVT_
switch
95 Fan speed setting
Byte 1: Value 1: Low,
Value 2: Middle,
Value 3: High
Byte 2: State 0 (Fixed)
32 2 nviLouver_2
SNVT_
switch
95 Louver setting
Byte 1: Value 0: 20, 1: 25, 2:
30, 3: 35, 4:
45, 5: 55, 6:
70, 7: Auto
Byte 2: State 0 (Fixed)
33 2 nviProtect_2
SNVT_
switch
95
Remote control order
enabled
Byte 1: Value 0 (Fixed)
Byte 2: State 0: RCS ena-
bled
State 1: RCS disa-
bled

Hitachi PSC-A1T Specifications

General

Brand	Hitachi
Model	PSC-A1T
Category	Controller
Language	English