38
13 Supplement
VEGAPULS C 21 • SDI-12
58342-EN-200121
Process conditions
For the process conditions, please also note the specifications on the type label. The lowest value
(amount) always applies.
Process temperature
-40 … +80 °C (-40 … +176 °F)
Process pressure
-1 … 3 bar (-100 … 200 kPa/-14.5 … 43.51 psig)
Electromechanical data
Cable entry
Fixed connection
Connection cable
Ʋ Configuration
Wires, screen braiding, sheathing
Ʋ Wire cross-section
0.5 mm² (AWG 20)
Ʋ Min. bending radius (at 25 °C/77 °F)
25 mm (0.984 in)
Ʋ Diameter
approx. 6 mm (0.236 in)
Ʋ Wire isolating and cable cover
PUR
Ʋ Colour
Black
Ʋ Colour - Ex i version
Blue
Ʋ Flame retardant according to
IEC 60332-1-2, UL 1581 (Flametest VW-1)
Bluetooth interface
Bluetooth standard
Bluetooth 5.0 (downward compatible to Bluetooth
4.0 LE)
Frequency
2402 ... 2480 GHz
emitted power max.
+4dBm
Max. number of participants
1
Max. effective range
8)
25 m (82 ft)
Voltage supply
Operating voltage U
B
8 … 30 V DC
Power consumption max.
9)
Ʋ Low power mode
24 mW
Ʋ Standard mode
96 mW
Reverse voltage protection
Integrated
Permissible residual ripple
Ʋ for 12 V< U
B
< 18 V
≤ 0.7 V
eff
(16 … 400 Hz)
Ʋ for 18 V< U
B
< 35 V
≤ 1 V
eff
(16 … 400 Hz)
Electrical protective measures
Potential separation
Electronics potential free up to 500 V AC
Protection rating
IP66/IP68 (3 bar) acc. to IEC 60529, Type 4P acc. to
UL 50
Altitude above sea level
5000 m (16404 ft)
8)
Depending on the local conditions
9)
Corresponds with U
B
= 12 V: 2 mA or 8 mA
