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Remote I/O Modules
Section 5-3
5-3
Remote I/O Modules
5-3-1
SRT
@
-
@
D16P Remote I/O Modules
Specifications
The following tables show the ratings and I/O specifications for the SRT
@
-
@
D16P.
Ratings
Note
The current consumption is the value with all points turned ON excluding the
current consumption of the external sensors connected to the Module inputs
and the current consumption of the loads connected to the Module outputs.
Characteristics
Input Specifications
Item
Specification
Models
SRT1-ID16P
SRT2-ID16P
SRT1-OD16P
SRT2-OD16P
I/O points
16 input points
16 output points
Internal I/O circuit common NPN (+ common)
NPN (– common)
Mounting method
PCB mounting with I/O terminals soldered
Communications mode
SRT1-
@
D16P: High-speed communications mode
SRT2-
@
D16P: High-speed Communications Mode or
Long-distance Communications Mode
Power supply type
---
Communications power
supply voltage
20.4 to 26.4 V DC
I/O power supply voltage
24 V DC
+10%
/
–15%
Current consumption
(See note.)
60 mA max.
20 mA max.
Ambient temperature
Operating: 0 to 55
°
C (with no icing or condensation)
Storage: –20 to 65
°
C (with no icing or condensation)
Ambient humidity
Operating: 35% to 85% (with no condensation)
Storage: 25% to 85% (with no condensation)
Dielectric strength
500 V AC for 1 minute
(1-mA sensing current, between insulated circuits)
Node number settings
The node number is set on the address terminal.
(Set the node number before turning ON the Slave.)
Weight
35 g max.
Item
Specification
5-V output current
20 mA max. (at 5 V
±
0.5 V)
LED drive current
(COMM, ERR)
10 mA max. (5 V DC)
SW carry current
(ADR0 to 3, HOLD)
1 mA max.
Item
Specification
Input current
2 mA max./point
ON delay time
1.5 ms max.
OFF delay time
1.5 ms max.
ON voltage
15 V DC min.
(between each input terminal and BS+ terminal)
OFF voltage
5 V DC max.
(between each input terminal and BS+ terminal)