Installation Manual User guide

Publication 1398-5.2 – PDF 1997
6-6 Interfaces
Table 6.5: Digital Input Specifications
Parameter Description Mini-
mum
Maxi-
mum
ON state Voltage Voltage applied to the input to guarantee an ON state 10.8 VDC 28 VDC
ON state Current Current flow into the input to guarantee an ON state 3.0 mA 10.0 mA
OFF state Volt-
age
Voltage applied to the input to guarantee an OFF state -1 VDC 2 VDC
OFF state Cur-
rent
External leakage current into the input to guarantee an
OFF state
-0.5 mA 0.5 mA
Figure 6.2 Drive Input Connected to a Switch/Relay Contact
Figure 6.3 Drive Input Connected to an Opto-Isolator
Figure 6.4 Drive Input Connected to an Active High Sourcing Transistor
1K
3K
DriveJ1
I/O Pwr
26
5
I/O COM
12-24VDC
13
6
1K
3K
I/O Pwr26
5
DriveJ1
I/O COM
12-24VDC
13
6
26
5
INPUTJ1
I/O COM
I/O Pwr
3K
1K
(Drive)
12-24VDC
13
6