Allen-Bradley 2711-T9C8 Operator Interfaces
The Allen-Bradley 2711-T9C8, also cataloged as the 2711-T9C8 Operator Interface, operates as a dedicated hardware component for graphical process visualization and operator command execution within Data Highway Plus (DH+) control networks.
Suffix Breakdown & Model Matrix
- 2711: PanelView Standard Terminal Series
- -T9: 9-inch active matrix color display with analog resistive touch screen interface
- C: Color display screen type (640 x 480 pixel VGA resolution)
- 8: DH+ communication port with additional RS-232 printer/upload/download port
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2711-T9C8 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 7.01 lbs (3.18 kg) |
| Dimensions | Standard PanelView 900 panel-cutout enclosure dimensions |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | 100 to 240 VAC input (50/60 Hz), 60 VA max |
| Display Type | 9-inch active matrix color CRT/TFT |
| Display Resolution | 640 x 480 pixels |
| Operator Input | Touch screen (analog resistive) |
| Communication Ports | DH+ (Data Highway Plus), RS-232 serial |
Firmware Flash Compatibility and Deterministic Network Interfacing
The 2711-T9C8 terminal executes real-time data frame transmission across DH+ deterministic networks to maintain synchronized tag exchange with PLC-5 and SLC 500 controllers. Internal logic processing coordinates firmware flash compatibility for direct runtime application execution stored in non-volatile memory. Solid-state communication driver stacks optimize backplane-to-network translation, delivering low latency for alarm logging and dynamic screen object updates.
Frequently Asked Questions
Q: Can the 2711-T9C8 terminal be hot-swapped while the DH+ communication network is active?
A: While disconnecting the DH+ twinax cable from the terminal will not disrupt other nodes on a properly terminated trunk line, main AC power (100-240 VAC) must be disconnected before removing or servicing the terminal unit itself.
Q: What is the primary function of the auxiliary RS-232 port on the 2711-T9C8?
A: The RS-232 port supports serial printer connections for real-time alarm printing, as well as application file transfers between a workstation computer and the terminal when DH+ passthrough is not utilized.
Field Installation Guidelines
- Verify that line voltage matches the rated 100 to 240 VAC input specifications before applying power to the terminal terminals.
- Install the unit in an enclosure cutout using the supplied mounting levers to ensure a proper IP65/NEMA 4X dust and watertight panel seal.
- Terminate the DH+ twinax cable shields at one end of the network segment to prevent ground loop currents from interfering with data transmission.
- Maintain a minimum 2-inch clearance around the rear enclosure housing to allow adequate natural convection cooling inside the cabinet.
- Ensure a dedicated protective earth conductor is attached to the earth ground terminal screw on the back of the chassis.
Allen-Bradley 2711-T9C8 Operator Interfaces
Allen-Bradley 2711-T9C8 Operator Interfaces
The Allen-Bradley 2711-T9C8, also cataloged as the 2711-T9C8 Operator Interface, operates as a dedicated hardware component for graphical process visualization and operator command execution within Data Highway Plus (DH+) control networks.
Suffix Breakdown & Model Matrix
- 2711: PanelView Standard Terminal Series
- -T9: 9-inch active matrix color display with analog resistive touch screen interface
- C: Color display screen type (640 x 480 pixel VGA resolution)
- 8: DH+ communication port with additional RS-232 printer/upload/download port
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2711-T9C8 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 7.01 lbs (3.18 kg) |
| Dimensions | Standard PanelView 900 panel-cutout enclosure dimensions |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | 100 to 240 VAC input (50/60 Hz), 60 VA max |
| Display Type | 9-inch active matrix color CRT/TFT |
| Display Resolution | 640 x 480 pixels |
| Operator Input | Touch screen (analog resistive) |
| Communication Ports | DH+ (Data Highway Plus), RS-232 serial |
Firmware Flash Compatibility and Deterministic Network Interfacing
The 2711-T9C8 terminal executes real-time data frame transmission across DH+ deterministic networks to maintain synchronized tag exchange with PLC-5 and SLC 500 controllers. Internal logic processing coordinates firmware flash compatibility for direct runtime application execution stored in non-volatile memory. Solid-state communication driver stacks optimize backplane-to-network translation, delivering low latency for alarm logging and dynamic screen object updates.
Frequently Asked Questions
Q: Can the 2711-T9C8 terminal be hot-swapped while the DH+ communication network is active?
A: While disconnecting the DH+ twinax cable from the terminal will not disrupt other nodes on a properly terminated trunk line, main AC power (100-240 VAC) must be disconnected before removing or servicing the terminal unit itself.
Q: What is the primary function of the auxiliary RS-232 port on the 2711-T9C8?
A: The RS-232 port supports serial printer connections for real-time alarm printing, as well as application file transfers between a workstation computer and the terminal when DH+ passthrough is not utilized.
Field Installation Guidelines
- Verify that line voltage matches the rated 100 to 240 VAC input specifications before applying power to the terminal terminals.
- Install the unit in an enclosure cutout using the supplied mounting levers to ensure a proper IP65/NEMA 4X dust and watertight panel seal.
- Terminate the DH+ twinax cable shields at one end of the network segment to prevent ground loop currents from interfering with data transmission.
- Maintain a minimum 2-inch clearance around the rear enclosure housing to allow adequate natural convection cooling inside the cabinet.
- Ensure a dedicated protective earth conductor is attached to the earth ground terminal screw on the back of the chassis.
