Rockwell Automation 1734-IE4S POINT Guard I/O Safety Modules User Manual - Manual (Page 72)

72 Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Chapter 4 Install the Module
Figure 43 - Safety Analog Input Wiring for Sinking Tachometer Sensor
Figure 44 - Safety Analog Input Wiring for Sourcing Tachometer Sensor
Follow the Guidelines for Wiring Safety Analog Inputs on page 65 .
V0 V1 V2 V3
I0 I1 I2 I3
COM COM COM COM
COM COM COM COM
S0 S1 S2 S3
S0 S1 S2 S3
Sinking Sensor
(NPN-type)
1734-TOP3 Terminal Bases
Metal Oxide or
Carbon
Composition
1k
2W
25
20
15
10
5
0
Edge-to-edge Time
Measured Here
1734-IE4S with Trigger = Falling Edge
Transistor Pull-down
Resistor Pull-up
Ele
ct
ron
ic
s
V0 V1 V2 V3
I0 I1 I2 I3
COM COM COM COM
COM COM COM COM
S0 S1 S2 S3
S0 S1 S2 S3
1734-TOP3 Terminal Bases
Sourcing Sensor
(PNP-type)
Metal Oxide or
Carbon
Composition
1k
2W
25
20
15
10
5
0
Edge-to-edge Time
Measured Here
1734-IE4S with Trigger = Rising Edge
Resistor Pull-
down
Transistor
Pull-up
El
ec
tr
oni
cs