Relay
SMART Transmitter Power Supply HiC2025
1-channel isolated barrier
24 V DC supply (bus powered)
Input for 2-wire SMART transmitters and current sources
Output for 4 mA ... 20 mA or 1 V ... 5 V
Low power dissipation
SIL 2 (SC 3) acc. to IEC/EN 61508
Datasheet excerpt: Technical data of HiC2025
General specifications
Signal type
Analog input
Functional safety related parameters
Safety Integrity Level (SIL)
SIL 2
Systematic capability (SC)
SC 3
Supply
Connection
SL1: 1a, 1b(-); 2a, 2b(+)
Rated voltage
19 ... 30 V DC bus powered via Termination Board
Ripple
≤ 10 %
Rated current
≤ 45 mA at 24 V and 20 mA source mode output
Power dissipation
≤ 800 mW
Power consumption
≤ 1.1 W
Input
Connection side
field side
Connection
SL2: 5a(+), 1b(-); 5a(+), 5b(-)
Input signal
4 ... 20 mA limited to approx. 26 mA
Voltage drop
approx. 5 V on SL2: 5a(+), 1b(-)
Available voltage
≥ 15 V at 20 mA , ≥ 18 V at 4 mA on SL2: 5a(+), 5b(-)
Output
Connection side
control side
Connection
SL1: 8a(+), 7a(-)
Load
0 ... 350 Ω (source mode)
Output signal
4 ... 20 mA or 1 ... 5 V (on 250 Ω, 0.1 % internal shunt)
4 ... 20 mA (sink mode), operating voltage 10 ... 30 V
Ripple
20 mV rms
Transfer characteristics
Deviation
at 20 °C (68 °F)
< 0.1 % of full scale, incl. non-linearity and hysteresis (source mode and sink mode 4 ... 20 mA)
≤ ± 0.2 % incl. non-linearity and hysteresis (source mode 1 ... 5 V)
Influence of ambient temperature
< 2 µA/K (-20 ... 70 °C (-4 ... 158 °F)); < 4 µA/K (-40 ... -20 °C (-40 ... -4 °F)) (source mode and sink mode 4 ... 20mA)
< 0.5 mV/K (-20 ... 70 °C (-4 ... 158 °F)); < 1 mV/K (-40 ... -20 °C (-40 ... -4 °F)) (source mode 1...5 V)
Frequency range
field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)
Settling time
≤ 50 ms
Rise time/fall time
≤ 10 ms
Galvanic isolation
Input/Output
safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supply
safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Output/power supply
basic insulation according to IEC/EN 61010-1, rated insulation voltage 60 Veff
Indicators/settings
Display elements
LED
Control elements
DIP-switch
Configuration
via DIP switches
Labeling
space for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU
EN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibility
NE 21:2017
EN 61326-3-2:2018
For further information see system description.
Degree of protection
IEC 60529:2001
Protection against electrical shock
UL 61010-1:2012
Ambient conditions
Ambient temperature
-40 ... 70 °C (-40 ... 158 °F)
Mechanical specifications
Degree of protection
IP20
Mass
approx. 100 g
Dimensions
12.5 x 128 x 106 mm (0.5 x 5.1 x 4.2 inch)
Mounting
on Termination Board
Coding
pin 1 and 3 trimmed
For further information see system description.
Data for application in connection with hazardous areas
EU-type examination certificate
CESI 06 ATEX 017
Marking
II (1)G [Ex ia Ga] IIC
II (1)D [Ex ia Da] IIIC
I (M1) [Ex ia Ma] I
Input
Ex ia
Supply
Maximum safe voltage
250 V AC (Attention! Um is no rated voltage.)
Equipment
SL2: 5a(+), 5b(-)
Voltage Uo
25.2 V
Current Io
100 mA
Power Po
630 mW
Internal capacitance Ci
5.7 nF
Internal inductance Li
negligible
Equipment
SL2: 5a(+), 1b(-)
Voltage Ui
30 V
Current Ii
128 mA
Voltage Uo
7.2 V
Current Io
100 mA
Power Po
25 mW
Internal capacitance Ci
5.7 nF
Internal inductance Li
negligible
Certificate
CESI 19 ATEX 027 X
Marking
II 3G Ex ec IIC T4 Gc