Specifications

Publication 1794-SG002D-EN-P - May 2012
110 Select a FLEX Ex I/O Power Supply
1797-PS1N and 1797-PS1E 85V…253V AC In/Quad-Ex DC Out
Type of Power Input
1797-PS2N2 and 1797-PS2E2 24V DC In/Quad-Ex DC Out
Type of Power Input
AC
DC
General Specifications Summary
Specification 1797-PS1N 1797-PS1E 1797-PS2N2 1797-PS2E2
Intrinsically safe
module
Class I, Division 1, Groups
A…D T4 (UL and C-UL)
Class II, Division 1 Groups
E…G (UL and C-UL)
Class III (UL, FM and C-UL)
Zone1: II 2G Ex de [ib] IIC T4
Zone 22: II 3D Ex tD A22 IP54
T90°C X
Class I Division 1 Groups A…D
T4 (UL, C-UL and FM)
Class II Division 1 Groups
E…G (UL, FM, CUL) Class III
Zone1: II 2G Ex de [ib] IIC T4
Zone 22: II 3D Ex tD A22 IP54
T90°C X
Input connector
terminals
Terminals 1, 2, 4, 5 Terminals 1, 2, 4, 5 Terminals 1, 2, 4, 5 Terminals 1, 2, 4, 5
Operating voltage
range
85…250V AC
120…250V DC
85…253V AC 18…32V DC 18…32V DC
Current consumption 0.9 A 0.9 A 3.1 A 3.1 A
Ripple — 5% AC