Yaskawa MEMOCON GL120 - Manual (Page 246)

System Components: Functions and Specifications
4.4.12 YENET 1600-D Module cont.
— 4-190 —
1) Master Mode
Table 4.78 I/O Specifications in Master Mode
Item Specification
I/O Point Allocations Inputs: 512 points, Outputs: 512 points (total of both digital
and register allocations)
Unit of I/O Allocation per Slave 4 points for both inputs and outputs
I/O Allocation per Slave Inputs: 256 max.
Outputs: 256 max.
Number of Slaves Connected 63 max.
Connectable Slaves Slaves conforming to DeviceNet
2) Slave Mode
Table 4.79 I/O Specifications in Slave Mode
Item Specification
I/O Point Allocations Inputs: 64 max.
Outputs: 64 max.
Unit of I/O Allocation 4 points for both inputs and outputs
4. Using YENET 1600-D Modules
1) Number of Modules (in Master Mode)
a) The YENET 1600-D master uses I/O references, such as input relays, output coils,
input registers, and output registers, to communicate with YENET 1600-D slaves and
other slave devices that conform to the DeviceNet protocol. Therefore, I/O must be
allocated to the slot where the YENET 1600-D master is mounted, according to the
following rules.
b) The maximum number of I/O points that can be allocated to each YENET 1600-D
Module (master) is as follows:
(1) Either digital references (input relays) or register references (input registers) are
allocated as input references. Input relays and input registers cannot be allocated
together.
• Input references: Digital inputs or register inputs ≤ 512 points
(One register is 16 points)
(2) Either digital references (output coils) or register references (output registers) are
allocated as output references. Output coils and output registers cannot be allo-
cated together.
4