Page 186 - Wagp_InterfaceElectronic_Volume4_2015_US.pdf

857-421

3 JUMPFLEX Signal Conditioners
®
184 Repeater Power Supply, HART

<_________ 96 mm/3.76 in _________> USensor+ 1 IN OUT 5 OUT +

IN
2
6 GND 2

4
8 GND 3
GND 1
_> GND 1 3 POWER 7 Us+
____________
_>
6 mm/0.23 in
<_________ 94 mm/3.68 in _________>
Short description: Pack.
The 857-421 HART Repeater Power Supply links SMART transmitters located Description Item No. Unit
in the field. It provides the power required and transmits the analog signals in JUMPFLEX Signal Conditioner, for DIN 35 rail 857-421 1
®
an electrically isolated way.
Repeater power supply, HART
Characteristics:
• HART communication
• Power supply to SMART transmitters
• Safe 3-way isolation with 2.5kV test voltage to EN 61140
Technical Data Technical Data
Input: Environmental requirements:
Input signal 4 ... 20 mA Ambient operating temperature -25 °C ... +70 °C
Input resistance ≤ 50 Ω Storage temperature -40 °C ... +85 °C
Transmitter supply V v = 18 V at 30 mA Safety and protection:
Max. Eingangsstrom Max. Speisestrom Test voltage (input/output/supply) 2.5 kV AC, 50 Hz, 1 min
Output: Connection and type of mounting:
®
Output signal 4 ... 20 mA Wire connection CAGE CLAMP S
Load impedance 230 - 600Ω Cross sections solid:
Offset < 20 μA 0.08 mm² ... 2.5 mm² / AWG 28 ... 14
Residual ripple < 10mV eff fine-stranded:
General specifications: 0.34 mm² ... 2.5 mm² / AWG 22 ... 14
24V DC Strip lengths 9 ... 10 mm / 0.37 in
Nominal supply voltage V S
Supply voltage range 16.8 V ... 31.2 V Dimensions and weight:
Current consumption at 24 V DC ≤ 45 mA Dimensions (mm) W x H x L 6 x 96 x 94
Max. operating frequency 100 Hz signal / ≥ 2.5 kHz HART Height from upper-edge of DIN 35 rail
Response time (T 10-90 ) < 3.5 ms signal Weight 47.8 g
Transmission error ≤ 0.1 % of the full scale value Standards and approvals:
Temperature coefficient ≤ 0.01 % /K Conformity marking 1
r UL 508
Shipbuilding g
Accessories see pages 226 … 236