Product Description
Key Features
- Product identity: TM SIWAREX WP321 ST for SIMATIC ET200SP; based on 7MH4138-6AA00-0BA0.
- Weighing input: 1 channel for DMS full-bridge load cells; measuring range -1 mV/V to +1 mV/V, -2 mV/V to +2 mV/V, or -4 mV/V to +4 mV/V.
- Supply: Rated supply voltage: 24 V DC; permissible load-voltage range: 19.2 V to 28.8 V DC.
- RS485 interface: 1 RS485 interface with transmission rate up to 115.2 kbit/s; cable length up to 1 000 m with shielded cable at ≤115 kbps.
- Installation and protection: Usable with BU type A0; automatic encoding and mechanical coding element type B; short-circuit and reverse polarity protection.
- Lifecycle and coating: Active Product with conformal coating and temperature range -40…+60 °C.
Applications
- Electronic weighing: Electronic weighing with DMS full-bridge load cells connected to SIMATIC ET200SP.
Technical Summary
| Product type | TM SIWAREX WP321 ST |
|---|---|
| Load-cell channel | 1 channel |
| Load-cell input | DMS full bridges, 1-4 mV/V |
| Supply voltage | 24 V DC |
| Load-voltage range | 19.2 V to 28.8 V DC |
| RS485 interface | 1; SIWATOOL V7 or SIWAREX DB or SIEBERT remote display |
| RS485 transmission rate | 115.2 kbit/s, max. |
| Firmware update | Yes |
| Usable BaseUnits | BU type A0 |
| Temperature range | -40…+60 °C |
| Product lifecycle | Active Product |
Frequently Asked Questions
What is the exact order number and product designation?
The order number is 6AG1138-6AA00-2BA8 and the product type designation is TM SIWAREX WP321 ST.
How many weighing channels does this module have?
It has 1 channel for DMS full-bridge load cells.
Which supply voltage is required?
The rated supply voltage is 24 V DC, with a permissible load-voltage range from 19.2 V to 28.8 V DC.
Which interface and cable length are provided?
It has 1 RS485 interface with a maximum transmission rate of 115.2 kbit/s; the maximum cable length is 1 000 m with shielded cable at ≤115 kbps.
