PLEASE NOTE: Due to chip shortages, MS decoders are temporarily supplied with alternative chips. As a result, ZIMO is temporarily applying a surcharge! We have partially incorporated this in the sales price.
MS490
predecessor: MX649
Miniature sound decoder with either NEM-651 interface (6-pole pin connector) or with wires as types MS490, MS490R, MS490F. “MS-Sound” with fully digital sound amplifier of 1 W. Connection for external energy storage via solder pads with an upper capacity limit of approx. 1000µF.
In order to make their small dimensions possible, however, the decoders of the MS490 family are NOT mfx-compatible.
Connection diagrams can be found in the operating instructions Instructions for all MS decoders
| MS490 MS490R, MS490F | MS490N, L | |
| Dimensions (mm) | 19 x 8,6 x 3,5 | 19 x 8,6 x 3,5 |
| ConnectionsWires and/or standardized interfaces | 11 wires NEM-652, NEM-651 | NEM-651directly |
| Total current (continuous): motor+sound+FOs(peak) | 0.7 A(1.5 A) | 0.7 A(1.5 A) |
| Motor current (continuous)(peak) | 0.7 A(1.5 A) | 0.7 A(1.5 A) |
| Current on Function OutputsTotal of the FOs | 0.5 A | 0.5 A |
| Function Outputs incl. 2 x headlights (+ logic-level outputs) | 4 all 4 with wires (+2 logic-level) | 4 2 on plug 2 on s.pad (+2 logic-level) |
| Servo control wires | 2 alternate use of logic-level | 2 alternate use of logic-level |
| (complete witch 5V supply) | (NO, external 5V) | (NO, external 5V) |
| SUSI - connection alternatively SUSI, I²C, sound loading | yes alternate use of logic-level on s.pads | yesalternate use of logic-level on s.pads |
| Switch Inputs for cam sensors, Reed switches, i.a. | 2 alternate use of logic-level | 2 alternate use of logic-level |
| Energy Storage connection | yes | yes |
| 15V - capacitors DIRECTLY to the decoder | on s.pads max ~1000 µF | on s.pads max ~1000 µF |
| Speaker Outputs | 1 | 1 |
| dep. on dec. 8 Ω or 4 Ω (2x8 Ω in parallel) | 1 Watt / 8 Ω on wires | Watt / 8 Ω on wires |
| Sound Flash | 128 Mbit | 128 Mbit |
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