General Specifications
Communications and Outputs
1 x RS485 Modbus RTU Master interface, supports 8 channels, e.g. for PyroMiniBus temperature sensors
Modbus Slave
RS485 Modbus RTU Slave interface
Inputs
3 digital inputs allowing the connection of external controls such as a rotary encoder: 2 x PNP/NPN inputs e.g. to enable outputs, reset alarms, lock configuration, increase/decrease value; 1 X PNP input programmable to select values
Outputs
2 alarm relays, configurable, rated 250 V AC, 2 A, on/off, with hysteresis
Display
OLED monochrome yellow
Supply Voltage
24-230 V AC/DC ± 10% 50/60 Hz (with 2500 V galvanic isolation)
Power Consumption
6 VA
Housing Dimensions
96 x 48 (front) x 48 mm (1/8 DIN)
Housing Material
Polycarbonate VO
Weight
Approximately 165 g
Wiring
Removable spring-lock terminal blocks
Configuration
Via built-in push-button controls using simple menu system
Temperature
Operating range 0°C - 45°C
Humidity
Operating range 35 - 95% RH (non-condensing)
Protection
Front panel; IP54 (IP65 with sealing), and container terminals: IP20
8 Variables
8-channel data management, view 1 to 4 variables on each page, editable text description of each variable (max 16 characters), editable measurement units for each variable (max 5 characters), 1, 16, or 32 bit data format, editable text display for variable values between 0 and 4, configurable display value (offset, gain, limits, rescale)
2 Alarms
ON-OFF with hysteresis
Alarm mode
Absolute/threshold, band with choice of activation mode (instantaneous/ delayed/ retentive/ by digital input), activation by serial line
Multimaster
Connect up to 16 x STR571 master devices on the same Modbus network
Interface Language
English, Italian, German, French, Spanish
Options
Optional front panel encoder to facilitate input of data