Data Sheet • Mann Series L o o p Powe r e d , I s o l a t o r s TWI-1 Single Channel TWI-2 Dual Channel The TWI-1 and TWI-2 are single and dual channel, loop powered isolators. • • • • • • • Current or Voltage inputs Powered from 4-20mA output loop Highly accurate (±0.1% of span) Front panel zero and span adjustment Complete Isolation Removable, screw-type, terminal blocks Compact metal housing % \ Australia Weidmüller Pty Ltd. 43 Huntingwood Drive, Huntingwood NSW 2148 Phone +61 (0) 2 9671 9999 Fax +61 (0) 2 9671 9900 [email protected] www.mannseries.com United Kingdom Other countries Weidmüller Ltd. 1 Abbey Wood Road, Kings Hill West Malling, Kent ME19 4YT Phone +44 1732-877032 Fax +44 1732-873873 [email protected] www.weidmueller.com Weidmüller Interface GmbH & Co. Postfach 3030 32720 Detmold Phone +495231-14-0 Fax +495231-14-2083 [email protected] www.weidmueller.com Loop Powered, Isolators TWI-1 Connections % % \ \ Terminal Signal 1 Signal + 2 Not used 3 Signal − 4 Signal + 5 Not used 6 Signal − Case Earthing is via a stud on lower side of case Input Output TWI-2 Connections Terminal Signal 1 Signal + 2 Signal − 3 Signal + 4 Signal − Outputs 5 Signal + Type 4-20mA loop powered 6 Signal − Ripple less than 10mV peak to peak 7 Signal + [(Vs - 12) ∕0.02]Ω (Typically 600Ω at 24Vdc) 8 Signal − Case Earthing is via a stud on lower side of case Technical Specifications Inputs Input Channel one Type DC milliamp or voltage Ranges 4-20mA or 0-10V Input impedance Input Channel two 27Ω (4-20mA inputs) or ≥1MΩ (0-10V inputs) Output Channel one Max loop load Output Channel two Power Supply Type 12-45Vdc loop powered Line voltage effect less than 0.05% of span change for 10V change in supply over 12-45Vdc range Dimension drawing Adjustments Type 22-turn potentiometers Span ±25% of nominal span Zero ±25% of nominal span 3*()5)"/%4*%&7*&8 General Linearity ±0.1% of span Repeatability ±0.02% of span Storage temperature -25 to +70 °C Operating temperature -10 to 60 °C Relative humidity 0-95% (non-condensing) NN 5017*&8 Temperature drift ±0.05% span per °C Long term drift < 0.1% per 10,000 hours Input response 200mS (from 10% to 90% of span) RFI Immunity Less than 0.5% span error for 10V/m from 24mHz to 1000MHz 8JEUI 58*NN 58*NN Insulation Co-ordination Ports Input / Output / Case (for each channel) Rated Insulation Voltage 300Veff Overvoltage Category III Impulse Withstand 4kV (1.2 / 50) Isolation 2 kV (between ports) Ordering Information Environmental Conditions Operating temperature 0 to 60 °C Storage temperature –25 to +70 °C Pollution Degree Relative humidity 0-10V Input TWI-1 0-10V TWI-2 0-10V Cat. No. 7940010159 10–90% (non–condensing) TWI-2 4-20mA 7940010171 TWI-1 0-10V 7940011660 TWI-2 0-10V 7940012011 Dimensions See diagram Weight TWI-1 0.20 kg TWI-2 0.25 kg Page 2 TWI-2 4-20mA TWI-1 4-20mA Dual DIN Rail Mount Aluminium Enclosure TWI-1 TWI-2 Dual Channel TWI-1 4-20mA 2 Type Approvals Single Channel 4-20mA Input Type (Model Input) Housing Connection type &GGFDUJWFEFQUI NN5PQ)BUNN%*/&/ NN(3BJMNN%*/&/ 5PTVSGBDFJODMVEJOHSBJMNPVOUJOHQMBUF Plug in terminal blocks with screw connections Mark Standard \ E256486 CAN/CSA C22.2 No. 1010.1:92 UL61010-1: 2004 % LV Directive EMC EN50178:1998 BS EN 61326:1998 + A2 Subject to technical alterations without notice • Printed in Australia • 7940015652 • 09/2007