Rockwell Automation Publication 1734-UM013C-EN-P - August 2010 15
POINT Guard I/O Overview Chapter 1
– Independently adjustable on and off delay is available per channel.
• Test outputs (input modules only)
– Separate test outputs are provided for short-circuit detection of a safety
input (or inputs).
– Power (24V) can be supplied to devices, such as safety sensors.
– Test outputs can be configured as standard outputs.
– Specific test outputs can be used for broken wire detection of a muting
lamp.
• Safety outputs
– Solid state outputs
- Dual-channel mode provides redundant control by using two output
signals (channels), which allows use of the module for Safety Category
3, 4, and applications rated up to and including Performance Level e.
- Safety outputs can be pulse tested to detect field wiring shorts to 24V
DC.
• I/O status data—In addition to I/O state data, the module includes status
data for monitoring I/O faults within each circuit.
• Security—The configuration information of the module can be protected
by a password.
Safety System Architecture
POINT Guard I/O modules are used in the POINT I/O platform and can
communicate safety messages via network adapters to connect to EtherNet/IP or
DeviceNet networks.
Network System Adapter
(1)
(1) Not compatible with 1734-ADN, 1734-ADNX, 1734-APB, or 1734-ACNR adapters.
EtherNet/IP GuardLogix 1734-AENT (firmware revision 3 or later)
1734-AENTR
DeviceNet SmartGuard 1734-PDN
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