Intended use, 11
IO-Link device, 55
IO-Link master, 55
Isolation concept, 93
L
LEDs of sensor expansion module, 65
M
Measuring range of resistance sensors, 33
Measuring ranges, 38
Measuring ranges of the analog devices, 19
Measuring ranges of the sensors, 19
Measuring ranges of thermocouples, 33
MEMORY, 39
Module replacement (replacement of an IO-Link
device), 58
Module replacement with PG/PC, 58
Module replacement without PG/PC, 58
Module version, 77
MON.MODE, 39
Mounting on a level surface, 90
Mounting on a standard rail, 88
Mounting position, 87
O
ONDELAY, 39
Operating instructions, 7
Operating menu of digital devices, 37
Operator controls and display elements of digital
devices, 34
Operator controls and display elements of the analog
devices, 21
Output relay, 20
P
Parameter change, 27
Performance features of analog device 3RS2500, 18
Performance features of digital devices, 31
Performance features of the digital devices with IO-
Link 3RS2800-.BA40, 49
PII, 102
PII - status information, 102
PIN, 39
PIQ, 102
PIQ - Control commands, 102
Power supply, 18, 26
PRINCIP, 39
Process image input, 102
Process image output, 102
Push-in technology, 80
Q
Quiescent current principle, 27, 28, 30
R
Removing the terminals, 84
Replacement of terminals, 75
Requirements for use in hazardous areas, 16
Resistance sensors, 32, 63, 69
Resistance sensors Pt100, 19
RunMode, 37
S
Safety and commissioning instructions for hazardous
areas, 15
Safety function, 27
Safety function temperature monitor, 28
Scope of validity
Manual, 7
Screw terminals, 78
SENSOR, 39
Sensor expansion module, 63
Sensor short-circuit, 27
Sensor type, 85
Sensor types, 19, 32
Sensor wire break, 27
Set Mode menu options, 39
SetMode, 37
Setting options/modes of the digital devices, 38
settings, 18
Spare parts, 99
Spring-type terminal
Wiring rules, 80
Spring-type terminals, 79
Standard function, 46, 54
Standard function time diagram, 46, 54
Standards, 12
Status display of digital devices, 36
Status display of sensor expansion module, 65
Status display on analog devices, 22
Index
3RS2 temperature monitoring relay
118 Equipment Manual, 02/2022, A5E42462552002A/RS-AB/002
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