Key Features
- Electronic weighing system, 1 channel: Designed for the connection of load cells DMS full bridges (1-4 mV/V) for SIMATIC ET200SP.
- RS485 interface: Provides 1 RS 485 interface for SIWATOOL V7 or SIWAREX DB or SIEBERT remote display.
- Conformal coating and temperature range: Includes conformal coating and is specified for -40…+60 °C.
- BU compatibility: Suitable for BU type A0.
Applications
- Load-cell weighing signal connection: Connection of load cells DMS full bridges with 4-conductor or 6-conductor wiring.
- RS485 connection to display or tool: Communication via RS485 for SIWATOOL V7 or SIEBERT remote display.
Technical Summary
| Product type designation | TM SIWAREX WP321 ST |
|---|---|
| Based on | 7MH4138-6AA00-0BA0 |
| Channel count | 1 channel |
| Load cell connection | DMS full bridges (1-4 mV/V) |
| Suitable BaseUnits | BU type A0 |
| Supply voltage | 24 V |
| Load voltage L+ | 24 V |
| Load voltage L+ permissible range | 19.2 V to 28.8 V |
| Input current, max. | 100 mA |
| Power consumption from the backplane bus | 70 mW |
| Power loss, typ. | 2 W |
| RS 485 interfaces | 1; SIWATOOL V7 or SIWAREX DB or SIEBERT remote display |
| RS 485 transmission rate, max. | 115.2 kbit/s |
| Load cell sampling rate | 600 Hz |
| Load cell resolution | ±500 000 parts pro mV/V |
| Isolation tested with | 707 V DC (type test) |
Frequently Asked Questions
What is Siemens 6AG1138-6AA00-2BA8 used for?
It is an electronic weighing system with 1 channel for the connection of load cells DMS full bridges (1-4 mV/V) for SIMATIC ET200SP.
Which interface does this WP321 module provide?
It provides 1 RS 485 interface for SIWATOOL V7 or SIWAREX DB or SIEBERT remote display.
What load-cell connections are supported?
It supports strain gauges full bridges with 4-conductor connection and 6-conductor connection.
What power supply does the module require?
Rated value (DC): 24 V. Load voltage L+: 24 V, with a permissible range of 19.2 V to 28.8 V.
