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Cooper Bussmann 615M-1 Cellular Data Modem and IP Router Series Manual
Rev Version 1.0
Symbol
Parameter
Min
Typ
Max
Units
RPU
Pull Up Resistance
18.2
kΩ
RPD
Pull Down Resistance
100
Ω
Analog Inputs
VIN
Analog Voltage Recommended Input Range
0
30
V
Accuracy
+/- 0.2
V
Relays
VDiff
Recommended Differential Voltage Range Between NO and
COM Terminals
-30
30
V
ISwitch
Switching Current
1
A
RInitial
Initial Contact Resistance
100
mΩ
ROpen
Pass Through Resistance when Contacts are Open.
1000
kΩ
Expected Life
1A, 30VDC, 20 Cycles per Minute
105
Cycles
8.1 Circuit for Analog Inputs
Figure 43 Circuit for Analog Inputs
8.2 Simplified Circuit for Digital Input/Outputs
Figure 44 Circuit for Digital Inputs/Outputs