| Measurement of | Mass flow, volume flow, density, sensor temperature, fraction A flow, fraction B flow, fraction A in % |
| Measurement functions | |
| | Totalization of mass flow, volume flow, fraction A, fraction B |
| | Totalization of Mass flow, VolumeFlow, Fraction A, Fraction B |
- Single and 2-stage Batch function
| Batching function with the use of one or two outputs for dosing in high and low speed |
| | 4 programmable high/low limits for mass flow, volume flow density, sensor temperature, fraction A flow, fraction B flow, fraction A in %. Limits will generate an alarm if reached. |
| Digital input | |
| Functions | Start batch, stop batch, start/stop batch, hold/continue batch, reset totalizer 1, reset totalizer 2, reset totalizer 1 and 2, zero adjust, force frequency output, freeze frequency output |
| High signal | - Nominal voltage: 24 V DC
- Lower limit: 15 V DC
- Upper limit: 30 V DC
- Current: 2 ... 15 mA
|
| Low signal | - Nominal voltage: 0 V DC
- Lower limit: -3 V DC
- Upper limit: 5 V DC
- Current: -15 ... 15 mA
|
| Input | Approx. 10 KΩ |
| Switching | Max. 100 Hz. |
| Digital output 1 and 2 | |
| Functions | - Output 1:
Pulse, frequency, quadrature pulse, quadrature frequency 2-stage batch, batch - Output 2:
Quadrature pulse, quadrature frequency, 2-stage batch |
| Voltage supply | 3 ... 30 V DC (passive output) |
| Switching current | Max. 30 mA at 30 V DC |
| Voltage drop | ≤ 3 V DC at max. current |
| Leakage current | ≤ 0.4 mA at max. voltage 30 V DC |
| Load resistance | 1 KΩ to 10 KΩ |
| Switching frequency | 0 ... 12 KHz 50% duty cycle |
| Functions | Pulse, frequency, quadrature pulse, quadrature frequency 2-stage batch, batch |
| Communication | |
| MODBUS RS 232C | - Max. baudrate: 115, 200 baud
- Max. line length: 15 m at 115, 200 baud
- Signal level: according to EIA-RS 232C
|
| MODBUS RS 485 | - Max. baudrate: 115, 200 baud
- Max. line length: 1200 m at 115, 200 baud
- Signal level: according to EIA-RS 485
- Bus termination: Integrated. Can be enabled by inserting wire jumpers.
|
| Galvanic isolation | All inputs, outputs and communication interfaces are galvanically isolated. Isolation voltage: 500 V |
| Power | |
| Supply | 24 V DC nominal |
| Tolerance | 20.4 V DC ... 28.8 V DC |
| Consumption | Max. 10 W |
| Fuse | T1A / 125V, not to be changed by user |
| Environment | |
| Ambient temperature | - Storage -40 °C ... +70 °C (-40 ... +158 °F)
- Operation 0 °C ... +60 °C (32 ... 140 °F)
|
| Operation conditions | Horizontally mounted rail. For vertically mounted rail, the maximum operating temperature is +45°C (+113 °F). |
| Altitude | - Operation: -1000 m ... 1500 m
(pressure 795 hPa ... 1080 hPa) - Storage: -1000 m ... 3500 m
(pressure 660 hPa ... 1080 hPa) |
| Enclosure | |
| Material | Noryl, color: athracite |
| Rating | IP20 according to IEC 529 and DIN 40050 |
| Mechanical load | According to SIMATIC standards (S7-300 devices) |
| Approvals | CE, cULus, ATEX Cat. 3 (II 3G EEx nA) |
| EMC performance | EMV-Directive 89/336/EWG (changed by 91/263/EWG, 92/31/EWG and 93/68/EWG) |
| NAMUR | Within the limits according to “Allgemeine Anforderung” with error criteria A in accordance with NE21 |
| Programming tools | |
| SIMATIC S7 | Configuration trough backplane P-BUS and PLC program |
| SIMATIC PCS7 | Configuration trough backplane P-BUS and PLC/WinCC faceplates |
| SIMATIC PDM | Through MODBUS port RS 232C and RS 485 |
