138
Version Upgrades Appendix D
Compatible Combinations of CPU Units and Expansion I/O Units
The Expansion I/O Units that can be connected to V2 CPU Units are different from those
that can be connected to V1 CPU Units and previous CPU Units. Expansion I/O Units
with AC Inputs cannot be connected to V2 CPU Units with DC Power Supplies.
Expansion I/O Units cannot be connected to Economy-type CPU Units.
Input Specifications
DC Inputs I0 to I3 on Units with 10 I/O Points, I0 to I9 on Units with 20 I/O Points
DC Inputs I4 and I5 on Units with 10 I/O Points, Ia and Ib on Units with 20 I/O Points
CPU Units Supported
Expansion
I/O Units
Version CPU Unit type Power
supply
Model
V2 Standard LCD type
LED type
Communications type
AC ZEN-@C1AR-A-V2
ZEN-@C2AR-A-V2
ZEN-10C4AR-A-V2
ZEN-8E1AR
ZEN-8E1DR
ZEN-8E1DT
Standard LCD type
LED type
DC ZEN-@C1D@-D-V2
ZEN-@C2D@-D-V2
ZEN-8E1DR
ZEN-8E1DT
Economy type AC ZEN-@C3AR-A-V2 Not
supported.
DC ZEN-@C3DR-D-V2
V1 and Pre-V1 Standard LCD type
LED type
AC ZEN-@C1AR-A-V1
ZEN-@C1AR-A
ZEN-@C2AR-A-V1
ZEN-@C2AR-A
ZEN-4EA
ZEN-4ED
ZEN-4ER
ZEN-8EAR
ZEN-8EDR
ZEN-8EDT
DC ZEN-@C1D@-D-V1
ZEN-@C1D@-D
ZEN-@C2D@-D-V1
ZEN-@C2D@-D
Item V2 CPU Units V1 CPU Units Pre-V1 CPU Units
Input voltage range 10.8 to 28.8 VDC 20.4 to 26.4 VDC
Input impedance 5.3 k
Ω 5 kΩ 4.8 kΩ
ON voltage 8 V 16 V
Input commons Independent common terminals Internally connected
to power supply
terminal
Item V2 CPU Units V1 and Pre-V1 CPU Units
DC inputs Input voltage range 10.8 to 28.8 VDC 20.4 to 26.4 VDC
Input impedance 5.2 to 5.5 k
Ω 5 kΩ
ON voltage 8 V 16 V
OFF voltage 3 V 5 V
Analog
inputs
Input impedance 100 k
Ω min. 150 kΩ min.
Accuracy
±1.5% FS (Within rated
ambient operating
temperature range)
10% FS (Within rated
ambient operating
temperature range)
Z211-E1-03.book Page 138 Friday, November 21, 2008 10:38 AM
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