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About the Anybus® Modbus-TCP/RTU Gateway
1-4
Doc.Id. HMSI-168-77
Anybus® Modbus-TCP/RTU Gateway
Doc.Rev. 2.03
Digital Inputs
The digital inputs are opto-isolated, and can accept a 10-24 VDC signal for logic HIGH input. For logic
LOW the voltage should be in the range 0-2 VDC.
The status of the inputs can be read in the Gateway Internal Registers (if enabled). See 2-7 “Internal
Registers” for more information.
Indicators
LED functionality
Pin no
Description
13
RS-485, line B
14
RS-485, line A
15
Common
16
RS-232, Tx
17
RS-232, Rx
18
Not connected
19
Not connected
20
Digital In Common
21
Digital In 1
22
Digital In 2
23
Vin- (ground connection)
24
Vin+
Name
Color
Description
Status
OFF
Power off
Green
Module is running in normal mode
Orange
Boot-up
Serial Link
Flashing Green
Serial Packet receive
Flashing Red
Serial Packet transmit
Orange
Boot-up
Activity
Flashing Green
Ethernet Packet received
Flashing Red
Ethernet Collision detected
Link
OFF
No Ethernet Link detected
Green
Ethernet network detected, 10 Mbps
Orange
Ethernet network detected, 100 Mbps