Rockwell Automation 1797-OE8 FLEX Ex Analog Modules User Manual - Manual (Page 90)

Publication 1797-6.5.1 - May 2005
A-10 Specifications
1797-OE8 Output Module Specifications
Number of Outputs 8 single-ended, non-isolated
IS Output Type EEx ia IIB/IIC T4,
AEx ia IIC T4
Class I, II, III Division 1 Groups A-G T4
IS Module Type EEx ib IIB/IIC T4,
AEx ib IIC T4,
Class I Division 1 Groups A-D T4
Resolution 13 bit
Transfer Characteristics
Accuracy at 20 o C (68 o F)
Temperature Drift
0.1% of output signal range
0.010%/C of output signal range
Load Range
Current
Voltage Available at 22mA
Load 0-22mA
>11V
0-500
Ω @ 22mA
Data Format Configurable
Step Response to 99% of FS 4ms
Indicators 8 red fault indicators
1 green power
Output (Intrinsically Safe)
(16 pin male and female
flexbus connector)
U
i
< 5.8V dc
I
i
< 400mA
L
i
= Negligible
C
i
= < 1.35
µF
Isolation Path
Output to Power Supply
Output to Flexbus
Output to Output
Power Supply to Flexbus
Isolation Type
Galvanic to DIN EN50020
Galvanic to DIN EN50020
None
Galvanic to DIN EN50020
Power Supply
(+V, -V Intrinsically Safe)
U
i
< 9.5V dc
I
i
< 1A
L
i
= Negligible
C
i
= Negligible
Module Field-Side Power
Consumption 6.3W
Power Dissipation 5.4W
Thermal Dissipation 18.4 BTU/hr
Module Location Cat. No. 1797-TB3 or -TB3S Terminal Base Unit
Conductors Wire Size 12 gauge (4mm 2 ) stranded maximum
1.2mm (3/64in) insulation maximum
Dimensions 46 x 94 x 75mm (1.8 x 3.7 x 2.95in)
Weight 200g (approximately)
Keyswitch Position 4