GMV NGV A3 - 3 NGV A3 CONTROL BOARD; 3.1 ELECTRICAL FEATURES

NGV A3 VALVE
INSTALLATION, USE AND MAINTENANCE
ENG
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10991483 EN - 1.10 26.05.2023
3 NGV A3 CONTROL BOARD
3.1 ELECTRICAL FEATURES
The hardware features of the card NGV-A3 are:
#
DESCRIPTION
VALUE
01
Standard supply voltage
24V= -10%, +50%
02
Extended supply voltage
12...42Vdc
03
Maximum consumption
25W
04
Voltage input VS-V0-V1-V2-V3
10...48Vdc (70Vp)
05
Voltage input D+ (VMD), two range selectable by jumper
12...48Vdc / 60...180Vdc
06
Power voltage sensors VRP and VB
12Vdc
07
Power voltage pressure transducer
12Vdc
08
Relays output, Volt free contact
according with EN81-20 for distances and insulation up to 250V
10mA@20Vdc / 2A@250Vac
3.2 PERFORMANCES
The card NGV-A3-01 has 3 different versions:
-01 Standard version: with power supply 24VDC
-02 Extended version: with all the available functions
-03 Reduced version: with power supply 24VDC and only serial connection on can bus
#
FUNCTION DESCRIPTION
VERSION
01
02
0
3
01
Power supply Standard, 24V=, ±10% / Extended, 12...42Vdc
S
E
S
02
Opto-isolated inputs to command upward and speed level
5
5
-
03
Opto-isolated input to command downward (separate)
1
1
1
04
Relay output with voltage free contact
according to EN81-20 for distances and isolation up to 250V
7
7
-
05
Step Motor Command 12...52Vdc, 1,5Arms
with the possibility of monitoring the rated current and the connection breaking.
1
1
1
06
Input for pressure transducer interface, range 0...100 bar
1
1
1
07
Input for oil temperature transducer interface, range 0...100°C
1
1
1
08
Input for sensor ON/OFF 12V or linear sensor 0...5V (power supply 12V)
2
2
2
09
Input for sensor ON/OFF 12V
1
1
1
10
Rj45 port for PT01 / Pc / remote
2
2
1
11
Slot for µSD card
-
1
-
12
Calendar watch with CR2030 battery
1
1
-
13
Can bus serial socket
-
1
1
14
I/O extender connector
1
1
1
3.2.1 SIGNALLERS
GREEN LED
Power supply
status
OFF
Not powered
FLASHING
Power out of range
ON
Correctly powered
RED LED
Alarm status
OFF
No alarm
FLASHING
Alarm that stops the system work
ON
Alarm that does not stops the system work
PT01
Card status
DISPLAY
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