Specifications; Inputs; Outputs ( Optional W Ith " -­-Al" C Onfigurations); Communications ( Usb S Tandard, O Ptional S Erial A Nd E Thernet) - Omega PLATINUM Series User Manual

PLATINUM S eries M eters U ser's G uide
9. Specifications
9.1 Inputs
Input T ypes Thermocouple, R TD, T hermistor, A nalog V oltage, A nalog C urrent, S train
Current I nput 4 t o 2 0 m A, 0 t o 2 4 m A S calable
Voltage I nput ±50 m V, ± 100 m V, ± 1 V , ± 10 V dc S ingle E nded S calable
±50 a nd ± 100 m V d ifferential a nd r atiometric i nputs, s calable
Thermocouple I nput K, J , T , E , R , S , B , C , N
(ITS 9 0)
RTD I nput ( ITS 9 0) 100/500/1000 Ω P t s ensor, 2 -­‐, 3 -­‐ o r 4 -­‐wire; 0 .00385 ( 100 Ω o nly), 0 .00392
(100 Ω o nly), o r 0 .003916 ( 100 Ω o nly) c urves
Strain & B ridge I nput ±50 m V, ± 100 m V
Excitation Firmware s electable ( no j umpers t o s et) t o 5 , 1 0, 1 2, a nd 2 4 V dc @ 2 5 m A
(24V f or A C u nits o nly)
Configuration Differential
Polarity Bipolar
Accuracy Refer t o T able 8
Resolution 0.1°F/°C t emperature; 1 0 µ V p rocess
Input I mpedances Process V oltage/Strain: 1 0 M Ω f or + /-­‐ 1 00 m V
Process V oltage: 1 M Ω f or o ther v oltage r anges
Process C urrent: 5 Ω
Thermocouple: 1 0 K Ω m ax
Temperature
Stability
A/D C onversion 24 b it S igma D elta
Reading R ate 20 s amples p er s econd
Digital F ilter Programmable f rom 0 .05 s econds ( filter = 1 ) t o 6 .4 s econds ( filter = 1 28)
CMRR 120 d B
Setpoint A djustment 4 D igit ( -­‐9999 t o + 9999 c ounts); 6 D igit ( -­‐99999 t o + 999999)
Warm U p t o R ated 30 m
Accuracy
9.2 Outputs ( Optional w ith " -­‐AL" C onfigurations)
SPDT R elay Single p ole, d ouble t hrow m echanical r elay, 2 50 V ac o r 3 0 V dc a t 3 A
(Resistive L oad)
Isolated A nalog Isolated, P roportional 0 –10 V dc o r 0 –20 m A; 5 00 Ω m ax. P rogrammable f or
control o r r etransmission. A ccuracy i s 0 .1% o f f ull s cale.
9.3 Communications ( USB S tandard, O ptional S erial a nd E thernet)
Connection USB: F emale M icro-­‐USB, E thernet: S tandard R J45, S erial: S crew t erminals
USB USB 2 .0 H ost o r D evice
Ethernet Standards C ompliance I EEE 8 02.3 1 0/100 B ase-­‐T A uto-­‐switching, T CP/IP, A RP,
HTTPGET
Serial Software S electable R S/232 o r R S/485. P rogrammable 1 200 t o 1 15.2 K b aud.
Protocols Omega A SCII, M odbus A SCII / R TU
RTD: 0 .04°C/°C
•
TC a t 2 5°C ( 77°F): 0 .05°C/°C ( cold j unction c ompensation)
•
Process/Strain: 5 0 p pm/°C
•
in
Specifications 55