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Remote Terminals
Section 5-1
Input Specifications
Slave Components
The following diagram shows the main components of the SRT2-ID16T Tran-
sistor Remote Terminal. The functions of these components are described
below.
Indicators
The following table shows the meaning of the indicators.
Item
Specification
Input current
6 mA max./point at 24 V DC
3 mA min./point at 17 V DC
ON delay time
1.5 ms max.
OFF delay time
1.5 ms max.
ON voltage
SRT
@
-ID16T: 15 V DC min. (between each input terminal and V)
SRT
@
-ID16T-1: 15 V DC min. (between each input terminal and G)
OFF voltage
SRT
@
-ID16T: 5 V DC max. (between each input terminal and V)
SRT
@
-ID16T-1: 5 V DC max. (between each input terminal and G)
OFF current
1 mA max. at 24 V DC
Insulation
method
Photocoupler
Input indicators
LED (yellow)
Rotary Switch
Sets node number.
DIP Switch
The DIP switch's pins have the following functions:
Pins 1 and 2: Reserved (Always OFF)
Pin 3: Communications mode setting (SRT2 Series)
or Reserved (Always OFF) (SRT1 Series)
Pin 4: Reserved (Always OFF)
CompoBus/S Indicators
Indicate the status of Slave
and communications.
Input Indicators
Indicate input status of each contact.
(Lit when the input is ON.)
Terminal Block
Used to connect I/O power
supply, and input devices such
as switches and sensors.
Mounting Screw Holes
Used when screwing the
Unit to a control panel.
DIN Track Mounting Hooks
Used when mounting the Unit to a DIN track.
Terminal Block
Used to connect CompoBus/S communications cables and
communications power supply.
Circuit Block Mounting
Screw
Used to remove the circuit block
when replacing it.
Indicator
Status
Meaning
PWR (green)
ON
The communications power supply is ON.
OFF
The communications power supply is OFF.