1734-IB8S AB Allen-Bradley PLC 24VDC 8 current sinking Safety-rated POINT Digital DC Input Modules 1734 Series Original

1734-IB8S AB PLC 24VDC 8 current sinking Safety-rated POINT Digital DC Input Modules 1734 Series Original brand new

Digital I/O Modules
The 1734 digital I/O modules support:

A wide variety of voltage interface capabilities.Isolated and non-isolated module types.Point-level output fault states for short-circuit and wire-off diagnostics.Choice of direct-connect or rack-optimized communications.Field-side diagnostics on select modules.Safety applications up to and including SIL 3, Cat. 4, PL(e), when using 1734-IB8S or 1734-OB8S with a GuardLogix, SmartGuard 600, or GuardPLC controller.

POINT Digital DC Input Modules
The 1734-IB4D module is a 4-channel 24V DC input module with short-circuit and open-wire diagnostics. Catalog numbers ending with "S" are safety-rated.

Cat. No.	Inputs	Voltage Category	Input Delay Time, On to Off	On-State Current, Min.	On-State Current, Max.	Off-State Current, Max.	PointBus Current (mA)	Power Dissipation, Max.	Terminal Base Unit
1734-IB2	2 current sinking	24V DC (10V DC…28.8V DC)	0.5 ms hardware + (0…65 ms selectable)	2 mA	5 mA	1.5 mA	75 mA	0.7 W at 28.8V DC	1734-TB or 1734-TBS
1734-IB4	4 current sinking							1.0 W at 28.8V DC	1734-TB, 1734-TBS, 1734-TB3, or 1734-TB3S?
1734-IB4D	4 Sink, diagnostic	24V DC (11V DC…28.8V DC)	—	2 mA	15 mA	—	50 mA	0.6 W at 28.8V DC	1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS
1734-IB8	8 current sinking	24V DC (10V DC…28.8V DC)	0.5 ms hardware + (0…65 ms selectable)	2 mA	5 mA	1.5 mA	75 mA	1.6 W at 28.8V DC	1734-TB or 1734-TBS
1734-IB8S	8 current sinking, safety-rated	24V DC (11V DC…28.8V DC)	—	3.3 mA	5 mA	1.3 mA	175 mA	2.44 W	1734-TB, 1734-TOP, 1734-TOP3
1734-IV2	2 current sourcing	24V DC (10V DC…28.8V DC)	0.5 ms hardware + (0…65 ms selectable)	2 mA	5 mA	1.5 mA	75 mA	0.7 W at 28.8V DC	1734-TB or 1734-TBS
1734-IV4	4 current sourcing							1.0 W at 28.8V DC	1734-TB, 1734-TBS, 1734-TB3, or 1734-TB3S?
1734-IV8	8 current sourcing							1.6 W at 28.8V DC	1734-TB or 1734-TBS
1734-TB3 or 1734-TB3S recommended.