Honeywell HC900 User And Installation Manual page 223

Modbus Master Advanced
Application
Speed
ATTENTION: Safety Applications are required to use a properly configured firewall device.
Ethernet Modbus/TCP
Initiator Operation
Number of ports per controller
Function Block Types
Slave devices per controller
Number of read/write Modbus
Parameters
Double Register Format
Speed
Peer-to-peer
10/100Base-T via Network
No. of Peers/Controller
Update rate
Peer Data
Ethernet
Ethernet Network Connection
Host Network Protocol
Controller rack to I/O Rack
Controller to Ethernet Switch
Ethernet Switch to I/O Rack
Controller to Network Switch
Network Switch to PC
Controller to 1042 Operator
Interface
Revision 6
21 April 2017
Communications
C30
Recommended for use with gateway devices
As fast as 500ms
One (Models C30 and C50) - Two (Models C70 and C75) RS485
Slave – 4 read and 4 write data points
Read (Slave extension block ) up to 16 parameters
Write (Slave extension) up to 8 parameters
(No limit on the number of Read and Write extension blocks per Slave block up to the
maximum 1024 parameters per controller.)
Up to 32
Up to 1024 max. per controller
Selectable per device
1 second fastest – load dependent
Supports UDP protocol and Peer Data Exchange function blocks for peer data
port exchange
32
500 ms to 5 sec., selectable
Digital and Analog Signal Tags, Variables - up to 2240 parameters
10/100 Base-T, RJ-45
Modbus/TCP
Maximum distances per Ethernet specifications
Ethernet CAT5 cable with RJ-45 connectors
Fiber Optic cable with switch
Ethernet CAT5 cable with RJ-45 connectors
Ethernet CAT5 cable with RJ-45 connectors
Ethernet CAT5 cable with RJ-45 connectors
Ethernet CAT5 cable with RJ-45 connectors
Shielded, Twisted pair
HC900 Process & Safety Controller User and Installation Manual
C50 C70 C75
100m /328 ft
80 Kilometers (see HC900
51-
specification document
52-03-31
for more details
100m /328 ft
100m /328 ft
100m /328 ft
100m /328 ft
610m /2000 ft
209