4.2
24V
CURRENT LOOP POWER SUPPLY
,
ADDITIONAL FUNCTION
(
ONLY AT
SAT-504-1,
2
TYPE
)
Stby/ON
Tx/Rx
Select
HART IF.
ON
Tx/Rx
250
Ω
24V
+
–
(+)
Red
(–)
Black
Current
loop
U
SB
-HA
RT
M
O
D
EM
After turning on, the modem starts working in basic mode (marked with an
asterisk (*)). Then, in addition to the states described in 4.1, the following modes
can be set by pressing the “Select” button for a short time (<1 sec).
Number of short
(<1 sec) button press
LED
Name
State
1
st
250
Ω
yellow
HART
®
resistor ON
24 V
not lit
Power supply OFF
2
nd
250
Ω
yellow
HART resistor ON
24 V
yellow
Power supply ON
3
rd
250
Ω
* not lit
HART
®
resistor OFF
24 V
* not lit
Power supply OFF
4
th
Same as in 1
st
row above
Turning on/off the modem by pressing the “Select” button for a long time (>5 sec).
Number of long
(>5 sec) button press
LED
Name
State
1
st
Every LED
not lit
Modem OFF
2
nd
LEDs according
type
Basic state
according
type
Modem ON
3
rd
Same as in 1
st
row above
4.3
B
LUETOOTH
®
CONNECTION
,
ADDITIONAL FUNCTION
(
ONLY AT
SAT-504-2
TYPE
)
Stby/ON
Tx/Rx
Select
HART IF.
ON
Tx/Rx
250
Ω
24V
+
–
(+)
Red
(– )
Black
Current
loop
US
B-
HA
RT
M
O
DE
M
ON
4.3.1
P
OWER SUPPLY FROM
USB
POWER BANK
The clips should be positioned in accordance with polarity. Connecting the USB
cable to an external 5V power bank, results entering to the basic state marked
with *. The following indications can be displayed during operation.
Interface
LED
Name
State
Bluetooth
®
ON
* flashing blue
Waiting to
Bluetooth
®
connect
blue
Bluetooth
®
connection
established
4.3.2
P
OWER SUPPLY FROM MOBILE DEVICE
USB
OTG
PORT
The following modes can be set by a medium (2 – 5 sec) press of the “Select”
button.
Number of medium
(2 – 5 sec)
button press
LED
Name
State
1
st
ON
* not lit
turned off
(inactive mode)
USB Stby/ON * green
turned on
(active mode)
2
nd
ON
flashin
g blue
Waiting for
Bluetooth
®
connect
USB Stby/ON
not lit
turned off
(inactive mode)
3
rd
Same as in 1
st
row above
5. MAINTENANCE AND REPAIR
The unit does not require regular maintenance. All repairs will be carried out on
the manufacturer’s premises.
6. STORAGE CONDITIONS
Ambient temperature: -25 °C … +55 °C (+77 °F … +131 °F)
Relative humidity: maximum 98%.
7. WARRANTY
NIVELCO provides warranty of 3 (three) years in compliance with details
described in the Warranty Card.
sat5040a0600h_01
December, 2017
