Table of Contents
Advertisement
2.5
There are currently 2 types of alarm module, one containing relays, and one without
relays. The non-relay version provides a configuration port and basic diagnostic alarming,
while the other has, in addition, 16 relays that can provide contact or trip alarms for each
of the isolator channels.
Model No.
MTL4-DMA
MTL4-DMR
2.6
This is a plug-in unit that provides surge protection for the channel to which it is fitted,
with no additional wiring or cabinet space necessary. The relay version is designed for
use with the relay base modules. The two model types are identical in shape and size.
Consult the data sheet for all applicable ratings.
Model No.
MTL4-SD
MTL4-SDR
Figure 2.4 - A surge-protection module
2.7
Where field wiring has been installed in readiness for later expansion, a grounding
module (MTL4-GND) can be installed to temporarily terminate the spare wiring and tie it
safely to ground.
Model No.
MTL4-ICC-50
MTL4-GND
INM MTL SUM5 Rev 1
Alarm modules
Surge protection
Unused module bases
Description
Diagnostic Module Alarm
Diagnostic Module Relay Alarm
Description
Plug-in surge module
Plug-in relay surge module
Figure 2.5 - A ground module
Description
Isolator connector cover (pk 50)
Ground module
5
Advertisement
Table of Contents
