CounterYes
Weight, approx.30 g
Power loss, typ.2 W
Rated value (DC)24 V
— -1 mV/V to +1 mV/VYes; corresponds to a resolution of ±500 000 parts
— -2 mV/V to +2 mV/VYes; corresponds to a resolution of ±1 000 000 parts
— -4 mV/V to +4 mV/VYes; corresponds to a resolution of ±2 000 000 parts
to SIMATIC S7-300Yes
to SIMATIC S7-400Yes
usable BaseUnitsBU type A0
Output voltage (DC)4.85 V
to SIMATIC S7-1200Yes
to SIMATIC S7-1500Yes
Automatic encodingYes
Diagnostics functionYes; Diagnostic alarm
Isolation tested with707 V DC (type test)
Current consumption, max.100 mA
Short-circuit protectionYes
Product type designationTM SIWAREX WP321 ST
Number of RS 485 interfaces1; SIWATOOL V7 or SIWAREX DB or SIEBERT remote display
to standard PROFIBUS masterYes
Temperature coefficient, span≤ ±5 ppm/K
Substitute values connectableNo
Suitable for safety functionsNo
to standard PROFINET controllerYes
Error limit according to DIN 1319-10.05 %; of full-scale value
Temperature coefficient, zero point≤ ±0.1 μV/K
Linearity error (relative to input range), (+/-)0.01 %
Power consumption from the backplane bus70 mW
Color code for module-specific color-coded labelCC00
— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)
— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold, fungal and dry rot spores (excluding fauna)
— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *
— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *
— Resistant to commercially available coolants and lubricantsYes; Incl. diesel and oil droplets in the air
— Against mechanical environmental conditions acc. to EN 60721-3-3Yes; Class 3M8 using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
— Against mechanical environmental conditions acc. to EN 60721-3-6Yes; Class 6M4 using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
Temperature coefficient, span, 4-wire connection (in relation to end value)≤ ±5 ppm/K
Temperature coefficient, span, 6-wire connection (in relation to end value)≤ ±10 ppm/K
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!