GE 8140-DI-AC 16-channel Digital Input, 115VAC isolated, sinking
8114-DI-AC
• 8 discrete inputs
• For dry contact switches.
• 230 V ac provided on input high side
• Returns commoned internally
• Pulse counting option
• 230 V ac Bussed Field Power required
MODULE SPECIFICATION
See also System Specification
INPUTS
Number of channels
• 8
OFF current
• < 0.28 mA
ON current
• > 0.71 mA
Wetting current
• 1 mA (nom.) @ 230 V ac
CONFIGURABLE PARAMETERS
Selectable input filter
• Fast, slow or user defined
(User defined permits 0 to 512 ms values in 2ms steps)
Latch inputs
• Enable / Disable
Latch polarity
• Latch on high / latch on low
Pulse counting
• Enable / Disable
RESPONSE TIME
I/O response time
• Field event to new data available on Railbus –
33 ms (max.)
POWER SUPPLIES
Railbus (12V) current
• 40 mA (typ.)
• 60 mA (max.)
Bussed Field Power
• 207 to 265 V ac
Frequency
• 50 / 60 Hz
MECHANICAL
Module Key Code
• E2
Module width
• 42 mm
Weight
• 170 g

8140-DI-AC
• 16 input channels
• 115V ac field voltage sources
• Pulse counting option
• Channels isolated in four blocks of
four channels
MODULE SPECIFICATION
See also System Specification
INPUTS
Number of configurable channels
• 16
Number of isolated IO blocks
• 4 blocks of 4 channels
Off voltage
• < 34V ac
On voltage
• > 84V ac
Input impedance
• 60KΩ (nom)
Wetting current
• 1.9mA (nom)
Frequency
• 50 / 60Hz
CONFIGURABLE PARAMETERS
Latch inputs
• Enable / disable
Latch polarity
• Latch on high / latch on low
Pulse counting
• Enable / disable
ELECTRICAL ISOLATION
Channel to railbus
• 275V ac (max)
Between blocks (1-4, 5-8, 9-12, 13-16)
• 275V ac (max)
Channel to Channel and Ch+ to Ch- within one block
Ch. 1-4, 5-8, 9-12, 13-16
• 130V ac (max)
RESPONSE TIME
I/O response time
• Field event to new data available on Railbus –
33ms (max)
POWER SUPPLIES
Railbus (12V) Current
• 110mA
Bussed Field Power
• Not required
MECHANICAL
Module Key Code
• E3, non-arcing
Module width
• 42mm
Weight
• 170g