Description
The 2590-A 16-point Isolated Discrete Output Module
provides sixteen discrete isolated outputs from the CTI
2500 Series®or Simatic® 505 I/O base. The module
uses solid- state output circuits to switch on or off ex
ternal devices such as pilot lamps, motor starters, or
solenoids. The 2590-A is designed to switch externally
supplied 20 to 132 VAC. The internal logic signals are
isolated from the external outputs to 1500 VDC.

Features
• CTI 2500 Series® base format
• 2.0 Amps per output (no derating)
• Isolated 1500 VDC channel-to-channel
• Blown fuse reporting (per channel) to the PLC
• Blown fuse indicator
• Logs in as a 16Y or 16X/16Y (jumper selectable)
• Individual fuse for each output channel
• Single-wide module
Specifications
Outputs: 16
Logon: 16Y/16X or 16Y
Isolation:
1500 VDC channel-to-channel
1500 VDC channel-to-backplane
Blown fuse reporting per channel:
Reported to the PLC as an X input (jumper selectable)
Output voltage: 20 to 132 VAC
Output source current per circuit: 2.0 A max
"OFF" state leakage: 1mA max @ 25°C
Turn ON or OFF time: 1/2 AC cycle
Non-repetitive surge current: 80 Amps for 1 cycle
Total module output current: 32 Amps
Connector: Removable 40 Pin Connector
(ordered separately CTI Part # 2500-40F)
Wire gauge: 14 to 22 AWG
Backplane power: 2.5 watts max
Module size: Single wide
Fuses: 16. 3 Amp, 250V Type Littlefuse #2173.15
or Bussman GMA #GMA-3A or CTI Part Number
#80-65(Field Replaceable).
Shipping Weight: 1.5 lbs (0.68Kg)
Additional Product Information:
On CTI’s Website you will find links to the 2500 Series
Std Environmental Specifications and the UL Agency
Certificates of Compliance
Module Configuration
The 2590-A is capable of logging in as a 16Y or a 16X/16y.
Changing the addressing of the module is done by moving a
jumper located near the rear backplane connector as shown in
Figure 2 below. In Figure 2. the 2590-A module is inserted in slot
1 in the I/O base 0. Data appears as 16 "Y" locations starting at
"Y1". The 2590-A ships with a login of 16Y. In this configura
tion blown fuse reporting is disabled. By moving the jumper to
the REPORTS 16X INPUTS the module logs in as a 16X/16Y.
The X addresses are used to report the Blown Fuse Indication
and the 16Y addresses are used as any other normal output
would be used.
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