Siemens · SIMATIC HMI Basic Series

6AV2123-2GA03-0AX0

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UL CE ATEX ZONE 2

SIMATIC KTP700 Basic 7-inch HMI Touch Panel

Part number: 1
Siemens SIMATIC HMI Basic Series Introduced circa 2015

Siemens SIMATIC KTP700 — 7-inch touchscreen replacing physical buttons.

Common Applications

The trend in modern machines: replace rows of physical buttons with a single touchscreen HMI. The KTP700 provides virtual buttons, indicators, alarms, and trending on one 7-inch display. TIA Portal configurable. Found on packaging machines, food processing lines, and CNC equipment. Physical e-stop is still required alongside the touchscreen.

Compatibility

Integrates with Siemens S7-1200/1500 PLC via PROFINET. Can also connect to Allen-Bradley, Omron, and Mitsubishi PLCs via Ethernet/IP or serial drivers.

Specifications

Certifications
UL, CE, ATEX Zone 2
IP Rating
IP65 (front)
Mounting Type
Panel mount (192x141mm cutout)
Protocol
PROFINET, Ethernet/IP

Installation Quick Reference

Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).

Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.

Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.

Dimensions

Troubleshooting

Button doesn't respond when pressed

Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.

Works intermittently

Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.

Button feels mushy or doesn't click

The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.

Where to Buy

Price range

$47.52 — $111.58

across 2 distributors

Quick Specs

Certifications
UL, CE, ATEX Zone 2
IP Rating
IP65 (front)
Mounting Type
Panel mount (192x141mm cutout)
Protocol
PROFINET, Ethernet/IP

What People Are Saying

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“The trend in modern machines: replace rows of physical buttons with a single touchscreen HMI. The KTP700 provides virtual buttons, indicators, alarms, and trending on one 7-inch display. TIA Portal co”

Reddit r/PLC 21 upvotes View thread →