YOKOGAWA ProSafe-RS User Manual

3. Cabling
3-78
TI 32P01J10-01EN
3.8.2 ESB Bus
Either the ESB bus branching connector or the branching connector that has a built-in ESB bus
terminator must be mounted to SSB401 installed in the SNB10D safety node unit. If a node unit
is connected next, select the ESB bus branching connector. If the node unit is the last one, select
the branching connector that has a built-in ESB bus terminator.
The following is an example of connecting an ESB bus using SEC401 ESB bus coupler module.
SEC401 can be installed in S2SC70, SSC60, SSC50, and SSC57.
F030804.ai
Bus 1
Bus 1
Bus 2
Bus 2
SNB10D
Connector Unit
for ESB bus
Connector Unit with
terminator for ESB bus
ESB bus interface modules (SSB401)
*1: Total number of SNB10D safety node units must be 9 or less when SEC401 is used.
*2: Length of ESB buses must be 10 m or shorter from SEC401.
ESB bus cable (YCB301)
Screw tightening
torque 0.3 N•m
ESB bus coupler module
(SEC401) (*1)
S2SC70D
ESB bus
ESB bus (*2)
Figure ESB bus Connection (SSC60D)
Nov. 27, 2015-00

YOKOGAWA ProSafe-RS Specifications

General

Brand	YOKOGAWA
Model	ProSafe-RS
Category	Industrial Equipment
Language	English