Restrictions On System Configuration; Number Of Expansion Units And Expansion I/O Units Connected; Restrictions On The Number Of Simultaneously On Output Points; Restrictions Imposed By Ambient Temperature - Omron CP1L-EL20DR-D Operation Manual

System Configuration
1-2-3

Restrictions on System Configuration

Note
Note
The following restrictions apply to the CP-series Expansion Units and CP-
series Expansion I/O Units that can be connected to CP1L-EL/EM CPU Units.
■

Number of Expansion Units and Expansion I/O Units Connected

A maximum of three Units can be connected to a CPU Unit with 30 or 40 I/O
points and one Unit can be connected to a CPU Unit with 20 I/O points.
Each CPU Unit can connect one device to pin 6 (+5V power supply) of the
CP1W-CIF01 RS232C Option Board.
If two CP1W-CIF01 Option Boards are mounted on a CPU Unit with 30, 40 or
60 IO points and both of which use pin 6 (+5V power supply), a total of up to
two Expansion Units can be connected to the CPU Unit.
■

Restrictions on the number of simultaneously ON output points

CP1W-32ER/32ET/32ET1's maximum number of simultaneously ON points is 24
(75%).
■

Restrictions Imposed by Ambient Temperature

There are restrictions in the power supply voltage and output load current
imposed by the ambient temperature for CPU Units with DC power. Use the
CPU Unit within the following ranges of power supply voltage and output load
current.
CPU Units with Relay Outputs (CP1L-E@@@DR-D)
Relay Output Load Current Derating Curves for CPU Units and Expansion I/O
Units
CP1L-EL20DR-D
100%
Power voltage:
21.6 VDC
50%
Power voltage:
20.4 VDC
0%
40 45
Ambient temperature
The above restrictions, apply to the relay output load current from the CPU
Unit even if Expansion I/O Units are not connected.
Using CP1W-8ER/16ER/20EDR1/32ER/40EDR Expansion I/O Units with
CPU Units with Transistor Outputs (CP1L-E@@@DT@-D)
Relay Output Load Current Derating Curves for Expansion I/O Units
Expansion I/O Units added
to the CP1L-EL20DT@-D
100%
Power voltage:
21.6 VDC
50%
Power voltage:
20.4 VDC
0%
40 50
Ambient temperature
There are no restrictions on the transistor output load current from the CPU
Unit.
CP1L-EM30DR-D
100%
Power voltage:
21.6 VDC
50%
Power voltage:
20.4 VDC
0%
55°C 35 45
Ambient temperature
Expansion I/O Units added
to the CP1L-EM30DT@-D
100%
Power voltage:
21.6 VDC
50%
Power voltage:
20.4 VDC
0%
55 °C
35 45
Ambient temperature
Section 1-2
CP1L-EM40DR-D
100%
Power
voltage:
21.6 VDC
50%
Power
voltage:
20.4 VDC
0%
55 °C
30 35
Ambient temperature
Expansion I/O Units added
to the CP1L-EM40DT@-D
100%
Power voltage:
21.6 VDC
50%
Power voltage:
20.4 VDC
0%
55 °C
35 45
Ambient temperature
55 °C
50
55 °C
15