Spectrum Controls 1734sc-OE2CIH - Manual (Page 69)

Appendix A: Configuration Information A-3
User’s Manual Pub. 0300272-01 Rev. A.0
Table A-2 Safety Tests and Test Limits
Safety Tests Industry Standards
UL Safety
UL 508 Industrial Control Equipment Seventeenth Edition Dated January 28 1999, with
revisions through July 11, 2005 (ANSI/UL 508-2005) (NRAQ, NRAQ7)
cUL CSA C22.2 No. 142 -M1987 Process Control Equipment May 1987
UL Hazardous Locations
UL ANSI/ISA–12.12.01–2007 Nonincendive Electrical Equipment for Use in Class I,
Division 2 Hazardous (Classified) Locations T4 or better
cULH CSA C22.2 No. 213-M1987 - Non-incendive Electrical Equipment for use in
Class I Division 2 Hazardous Locations - March 1987
CE Low Voltage
Directive IEC 61131-2 Programmable Controllers Part 2: Equipment Requirements and Tests;
Second Edition 2003-02, Section 11-14
European Union 94/9/EC ATEX Directive, compliant with:
EN 60079-15:2010; Potentially Explosive Atmospheres, Protection
II 3 G Ex nA IIC Gc DEMKO 13 ATEX 1214881U
EN 60079-0:2012; General Requirements (Zone 2)
Table A-3 Performance Requirements
Number of Outputs Two Isolated Outputs
Configuration Defined by configuration word
Output ranges 0 to 20 mA and 4 to 20 mA (HART available only on 4-20 range)
Output load 0 to 750 ohms max; 200 to 750 ohms for HART
Resolution 16 bits across 21 mA to 320 mA
Data format Signed Integer
Conversion type R ladder DAC
Full scale settling time <100 ms to 95% with resistive loads
Differential nonlinearity ±0.05% full scale
Output ripple ±0.05%, or better full scale 0 to 50 kHz
Repeatability (HART disabled) ±0.05% full scale
Max inductive load
(current outputs)
10 uH
Output impedance >10 kohms at 1 kHz>1 k at 10 kHz; > 10 megaohms at DC
Accuracy Range Temperature Accuracy (% Full Scale)
0 to 21 mA extended 25°C 0.15% FS
0 to 21 mA extended -20°C to 55°C 0.30% FS
Long term drift
Power on/off channel glitch Under ±1 V for 2 ms or ±2.5V for 400 uS. Target: ±0.5 V spike for less than 5 ms
Open and short circuit
protection Yes, continuous. (IEC 1131-2 requirement)