Pepperl+Fuchs HiC2842 Manual

Function

This isolated barrier is used for intrinsic safety applications.
The device transfers digital signals (NAMUR sensors/mechanical contacts) from the explosion-hazardous area to the non-explosion-
hazardous area.
Each input controls a passive transistor for the non-explosion-hazardous area load.
Via switches the mode of operation can be reversed and the line fault detection can be switched off.
During a fault state, the transistors revert to their de-energized state and LEDs indicate the fault according to NAMUR NE 44. A separate fault bus
is available. This fault bus can be monitored if the termination board supports a module fault detection.
This device mounts on a HiC termination board.

Connection

1.5 kΩ
I
10 kΩ
1.5 kΩ
II
10 kΩ
Zone 0, 1, 2

Technical Data

General specifications
Signal type
Functional safety related parameters
Safety Integrity Level (SIL)
Systematic capability (SC)
Supply
Connection
Rated voltage
Ripple
Rated current
Refer to "General Notes Relating to Pepperl+Fuchs Product Information".
Pepperl+Fuchs Group USA: +1 330 486 0002
www.pepperl-fuchs.com pa-info@us.pepperl-fuchs.com
Switch Amplifier
HiC2842
< 2-channel isolated barrier
< 24 V DC supply (bus powered)
<
Dry contact or NAMUR inputs
<
2 passive transistor outputs
<
Line fault detection (LFD)
< Reversible mode of operation
< Up to SIL 2 (SC 3) acc. to IEC/EN 61508
HiC2842
SL2
+ 1 5a
- 4 5b
+ 2 1a
- 5 1b
1a, 1b
2a, 2b
Termination Board
Digital Input
SIL 2
SC 3
SL1: 1a(-), 1b(-); 2a(+), 2b(+)
U 19 ... 30 V DC bus powered via Termination Board
r
≤ 10 %
I ≤ 30 mA
r
Germany: +49 621 776 2222
pa-info@de.pepperl-fuchs.com
SL1
+
8a 11
I
7a 14 -
+
10a 12
II
-
9a 15
-
24 V DC
+
Fault
6b
Singapore: +65 6779 9091
pa-info@sg.pepperl-fuchs.com
1