Siemens PC-TTY S5 PLC Programming Cable DB9F to DB15M 3M 6ES5734-1BD20

Siemens PC-TTY S5 PLC Programming Cable DB9F to DB15M 3M 6ES5734-1BD20

RM105.00

OEM RS232-to-TTY cable DB9F–DB15M, 3M, for Siemens SIMATIC S5 PLC programming

1 in stock (can be backordered)

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SKU: CPLC-SS02-03 Category: Brand:

Description

SIEMENS PC-TTY | DB9F to DB15M RS-232/TTY S5 PLC Programming Cable — 3M (6ES5734-1BD20 Compatible)

The Siemens PC-TTY is an RS-232 to TTY (Current Loop) programming cable for Siemens SIMATIC S5 Series PLCs. It connects a PC’s RS-232 COM port (DB9 Female) to the S5 PLC programming interface (DB15 Male). Compatible with the Siemens original part number 6ES5734-1BD20.

Key Features

  • DB9 Female (9-pin D-Sub) on PC side — connects to PC native RS-232 COM port
  • DB15 Male (15-pin D-Sub) on PLC side — connects to S5 PLC TTY programming port
  • RS-232 to TTY signal conversion — required for S5 series communication
  • 3-metre cable
  • 28 AWG copper wire, 7-core construction

Technical Specifications

Cable Model PC-TTY (6ES5734-1BD20 compatible)
Cable Length 3 Metres (3M)
Interface — PC Side DB9 Female (9-pin D-Sub, RS-232)
Interface — PLC Side DB15 Male (15-pin D-Sub, TTY)
Protocol RS-232 to TTY (Current Loop)
OS Support Windows DOS / XP / 2000 ONLY — NOT compatible with Win7/8/10
USB Compatible NO — must use native RS-232 serial COM port
Condition OEM Compatible — New (no retail box)

Compatible Models

  • Siemens SIMATIC S5 Series PLCs (S5-90U, S5-95U, S5-100U, S5-115U, S5-135U, S5-155U) with TTY programming port
!

Disclaimer

Always verify the exact port type and model number on your device before ordering.

If you are unsure which model is suitable, chat with the NJ Bravo team before ordering. We will help you check the part number, connector, and compatibility.

Typical Use Cases

  • PC-to-S5 PLC programming using STEP5 software (Windows DOS/XP/2000 only)
  • Legacy S5 PLC maintenance and program backup/restore

Package Contents

  • 1× Siemens PC-TTY Programming Cable (6ES5734-1BD20 compatible), DB9F to DB15M, 3M (OEM Compatible — New)

Warranty

  • 90-day replacement warranty
  • Covers manufacturing defects; physical damage and improper installation not included

Additional Notes

  • CRITICAL: This cable requires a NATIVE RS-232 COM port on the PC. It does NOT work with USB-to-RS232 adapters when used with original Step5 software.
  • OS LIMITATION: Only compatible with Windows DOS, XP, and 2000. Not supported on Windows 7, 8, or 10.
  • OEM compatible — not a Siemens-branded unit.
  • Confirmed connector spec: DB9 Female (PC side) to DB15 Male (PLC side) — matching original Siemens 6ES5734-1BD20 specification.

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