Speed inputs, Trusted, Speed monitor ifta t8846 – Rockwell Automation T8846 Trusted Speed Monitor IFTA (SIFTA) User Manual
Page 15
Trusted
TM
Speed Monitor IFTA T8846
Issue 2 Apr 10
PD-T8846
15
3.3. Speed Inputs
This section details the speed input terminal connections. These terminals are used to interface to the
field sensor input cables.
Refer to Figure 3 for the location of the interface terminals.
Interface Terminal Description
SK7
A1
Group 1 Channel 1 Fused VField Output
SK7
A2
Group 1 Channel 1 Open Collector Input
SK7
A3
Group 1 0V (Ground)
SK7
B1
Group 1 Channel 1 Open Collector Loopback
SK7
B2
Group 1 Channel 1 Passive A Input (A duplicate input is also available on SK7
terminal 7)
SK7
B3
Chassis Ground
SK7
C1
Group 1 Channel 1 Passive A Input (A duplicate of SK7 terminal 5)
SK7
C2
Group 1 Channel 1 Passive B Input
SK7
C3
Group 1 Channel 1 Active Bias Output
SK8
A1
Group 1 Channel 2 Fused Vfield Output
SK8
A2
Group 1 Channel 2 Open Collector Input
SK8
A3
Group 1 0V (Ground)
SK8
B1
Group 1 Channel 2 Open Collector Loopback
SK8
B2
Group 1 Channel 2 Passive A Input (A duplicate input is also available on SK8
terminal 7)
SK8
B3
Chassis Ground
SK8
C1
Group 1 Channel 2 Passive A Input (A duplicate of SK8 terminal 5)
SK8
C2
Group 1 Channel 2 Passive B Input
SK8
C3
Group 1 Channel 2 Active Input Bias
SK9
A1
Group 1 Channel 3 Fused Vfield Output
SK9
A2
Group 1 Channel 3 Open Collector Input
SK9
A3
Group 1 0V (Ground)
SK9
B1
Group 1 Channel 3 Open Collector Loopback
SK9
B2
Group 1 Channel 3 Passive A Input (A duplicate input is also available on SK9
terminal 7)
SK9
B3
Chassis Ground
SK9
C1
Group 1 Channel 3 Passive A Input (A duplicate of SK9 terminal 5)
SK9
C2
Group 1 Channel 3 Passive B Input
SK9
C3
Group 1 Channel 3 Active Input Bias
SK10
A1
Group 2 Channel 1 Fused Vfield Output
SK10
A2
Group 2 Channel 1 Open Collector Input
SK10
A3
Group 2 0V (Ground)
SK10
B1
Group 2 Channel 1 Open Collector Loopback