Spectrum Controls 1756sc-OF8H Series A - Manual (Page 148)

Gain Drift with Temperature 10 ppm/°C – voltage
20 ppm/°C – current
Module Error over Full Temp. Range 0.1% of range – voltage
0.3% of range – current
Minimum Module Scan Time for all Channels
Analog 18 – 488 msec (filter dependent)
HART 6 – 7 seconds typical with no pass-thru or device information
messaging active
Isolation Voltage 2550 VDC terminal block to backplane (1 second)
Module Conversion Method Sigma-Delta ADC
RTB Screw Torque 4.4 inch-pounds (0.4 Nm)
Module Keying (Backplane)
RTB Keying User defined
Field Wiring Arm and Housing 36 Position RTB (1756-TBCH or TBS6H)
Conductors Wire Size 22-14 gauge (2mm) stranded maximum
3/64 inch (1.2mm) insulation maximum
Environmental Conditions
Operating Temperature 0 to 60°C (32 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Relative Humidity 5 to 95% noncondensing
Regulatory Compliance
UL 508
73/23/ EEC Low Voltage Directive
89/336/ EEC Electromagnetic Compatibility
CSA (Class 1, Div 2, Group A,B,C,D)
CE compliance to EN 61010-1 and EN 61131-2, EN61000-6-2:2001, EN61000-6-4:2001
EN61010-1:2001, EN61131-2:1994 + A11:1996 + A12:2000
FM (Class 1, Div 2, Group A,B,C,D)
Firmware Revision History
Revision No. Description
1.1 New
2.3 Updated to provide user selectable pass through queue servicing speed.