9 Spare Parts
9.2 Periodic Maintenance Parts
490 HPM High-Performance Process Manager Service R688
Honeywell December 2020
Table 89 Conformally Coated HPM ORU Parts List
24 Vdc DI Galvanic Isolation Module (MTL4013)
(Replaced by Individual Module Replacement Kit
number MTL4513 – 51202955-100)
AO redun FTA with HART and Comp Term
AO Galvanic Isolation Module (MTL4046C)
(Replaced by Individual Module Replacement Kit
number MTL4546Y – 51202953-100)
AO FTA with GI Modules (Crimp Term)
(There is no replacement with MTL 4500 series, but
you can use MU-GHAO11/MU-GHAO21 with MTL
4546Y- 51202953-100)
AO FTA with GI Modules (Comp Term)
(There is no replacement with MTL 4500 series, but
you can use MU-GHAO11 with MTL 4546Y-
51202953-100)
AO nonredun FTA with GI Modules (Comp Term)
(There is no replacement with MTL 4500 series, but
you can use MU-GHAO11/MU-GHAO21 with MTL
4546Y- 51202953-100)
AO FTA with GI Modules (Crimp Term)
(There is no replacement with MTL 4500 series, but
you can use MU-GHAO11 with MTL 4546Y-
51202953-100)
AO Galvanic Isolation Module (MTL4045C)
AO Galvanic Isolation Module (MTL4046P)
Redundancy Module for FTA
DO FTA with GI Modules (Compression Term)
DO FTA with GI Modules (Compression Term) (with
Line Fault Detection Feature)
(Replaced by Individual Module Replacement Kit
number MTL4525 – 51202957-100)
DO FTA with GI Modules (Crimp Terminals)
DO Galvanic Isolation Module (MTL4021)
(Replaced by Individual Module Replacement Kit
number MTL4525 – 51202957-100)
DO FTA with GI Modules (Compression Term)
DO FTA with GI Modules (Crimp Terminals)
DO Galvanic Isolation Module (MTL4023)
(Replaced by Individual Module Replacement Kit